Full Width [alt+shift+f] Shortcuts [alt+shift+k]
Sign Up [alt+shift+s] Log In [alt+shift+l]
Top Categories > technology
#all #programming #history #startups #technology #science #life #literature #architecture #travel #creative #design #comics #cartography #finance #AI #indiehacker Muted Categories [alt+←][alt+→]
./techtipsy
You can use almost anything as a key file for your encrypted storage device Imagine that you have an unencrypted drive containing your private data and one day it starts...
a month ago
32
a month ago
Imagine that you have an unencrypted drive containing your private data and one day it starts throwing a bunch of errors. You have backups of the data so you’ve got that part covered, but would you feel comfortable sending the drive in to be warrantied? You have no control over...
Posts on Made of...
A Brief Introduction to termios If you’re a regular user of the terminal on a UNIX system, there are probably a large number of...
over a year ago
2
over a year ago
If you’re a regular user of the terminal on a UNIX system, there are probably a large number of behaviors you take mostly for granted without really thinking about them. If you press ^C or ^Z it kills or stops the foreground program – unless it’s something like emacs or vim, in...
Arduino Blog
Giving Billy Bass the arti-fish-al intelligence he always deserved If you were unlucky enough to visit a big box retail store or goofy uncle’s home around the turn of...
3 months ago
21
3 months ago
If you were unlucky enough to visit a big box retail store or goofy uncle’s home around the turn of the century, you would have undoubtedly come across a Big Mouth Billy Bass. That’s an animatronic fish that wiggles on a plaque while older, very licensable hit songs play. But...
Jonas Hietala
We can build things! Finally we have some sort of progress! We can now build rooms and place and remove objects! Yay!!...
over a year ago
2
over a year ago
Finally we have some sort of progress! We can now build rooms and place and remove objects! Yay!! But we still haven’t even begun with the game logic, resource management, the actual mining mechanic, multiple levels, actual tasks for our workers. But it’s something.
Louwrentius
Howto get the hard disk size under Linux? A: There is no single tool for this job, but it seems that Fdisk is just fine: server:~# fdisk -l 2>...
over a year ago
3
over a year ago
A: There is no single tool for this job, but it seems that Fdisk is just fine: server:~# fdisk -l 2> /dev/null | grep Disk | grep -v identifier Disk /dev/sda: 500.0 GB, 500028145664 bytes Disk /dev/sdb: 500.0 GB, 500028145664 bytes Disk /dev/sdc: 1000.1 GB, 1000123400192...
Vitalik Buterin's...
On Path Independence
over a year ago
Engineers Need Art
Apple Interview (1995) Recalling my somewhat unusual interview with Apple back in 1995.
over a year ago
Notes on software...
Thinking about functional programming Someone on Discord asked about how to learn functional programming. The question and my initial...
a year ago
2
a year ago
Someone on Discord asked about how to learn functional programming. The question and my initial tweet on the subject prompted an interesting discussion with Shriram Krishnamurthi and other folks. So here's a slightly more thought out exploration. And just for backstory sake: I...
Posts on Made of...
Confessions of a programmer: I hate code review Most of the projects I've been working on today have fairly strict code review policies. My work...
over a year ago
2
over a year ago
Most of the projects I've been working on today have fairly strict code review policies. My work requires code review on most of our code, and as we bring on an army of interns for the summer, I've been responsible for reviewing lots of code. Additionally, about five months ago...
Computer Ads from...
Bible Research Systems' THE WORD Processor For Those Who Seek.
5 months ago
Jonas Hietala
Geekhack Toxic I came back to Linköping yesterday and I had a package waiting for me to pick it up. What could it...
over a year ago
2
over a year ago
I came back to Linköping yesterday and I had a package waiting for me to pick it up. What could it be? With a crummy mobile phone photo I give you my TOXIC keycaps mounted on my trusty old das keyboard: Woooo If only my GH60 could arrive some time this decade…
Willem's Blog
The best bike computer app: Cyclemeter Collect advanced bike ride data using your smartphone connected to external Bluetooth sensors and a...
over a year ago
3
over a year ago
Collect advanced bike ride data using your smartphone connected to external Bluetooth sensors and a steer mounted display.
Louwrentius
24 TB based on Norco RPC-4020 and Linux Software RAID Just a quick link: Some person build basically the same setup, including identical...
over a year ago
2
over a year ago
Just a quick link: Some person build basically the same setup, including identical controller, providing 28 TB of storage: Take a look here The main difference is that this person uses 1.5 TB disk, thus achieving more storage.
Jonas Hietala
Netrunner Summer Tournament Linköping There was another Netrunner tournament this Sunday with 8 entrants. We had two new legal data packs...
over a year ago
2
over a year ago
There was another Netrunner tournament this Sunday with 8 entrants. We had two new legal data packs with Old Hollywood and The Universe of Tomorrow so a lot of new things were tried. I heard a rumor that a full playset of both Aesop’s Pawnshop and Wyldside were available so I...
Birchtree
My favorite (and least favorite) movies of 2024 I’ve watched 48 new release movies in 2024, and with just a few weeks left in the year, I wanted to...
a week ago
5
a week ago
I’ve watched 48 new release movies in 2024, and with just a few weeks left in the year, I wanted to make what is my current top 10 (plus honorable mentions & worst movies). As we get to the end of the year and you might have some
Posts on Made of...
Using wpa_supplicant on Debian/Ubuntu I’ve been using wpa_supplicant to manage wifi on my Ubuntu laptop for a while, and have found that...
over a year ago
3
over a year ago
I’ve been using wpa_supplicant to manage wifi on my Ubuntu laptop for a while, and have found that it’s pretty close to what I want for managing wireless — closer than anything else I’ve found, at least. I figured I should document my setup and experiences. Some Background You...
Jonas Hietala
Beginning Programming I read a wonderful post, 3 Things I hate about “beginner” programming books, which I couldn’t agree...
over a year ago
2
over a year ago
I read a wonderful post, 3 Things I hate about “beginner” programming books, which I couldn’t agree more with. Basically he has these points: Too long Too many examples like “Hello World!” No answers to exercises. Nr 1 is a pretty curious one. Even though I think a book is good,...
Home on Erik...
More MCMC – Analyzing a small dataset with 1-5 ratings I've been obsessed with how to iterate quickly based on small scale feedback lately. One awesome...
over a year ago
2
over a year ago
I've been obsessed with how to iterate quickly based on small scale feedback lately. One awesome website I encountered is Usability Hub which lets you run 5 second tests. Users see your site for 5 seconds and you can ask them free-form questions afterwards.
Willem's Blog
Fixed Gear Gran Fondo Taking a fixed gear road bike for a gran fondo! Let some of my fun be of inspiration to you!
over a year ago
Good Enough
TIL: Turbo Frames DoEvery.Day calendar navigation was broken. We built it using Turbo Rails as it was being developed....
a year ago
3
a year ago
DoEvery.Day calendar navigation was broken. We built it using Turbo Rails as it was being developed. As we have updated libraries, including Rails, the API has changed. In order to get the calendar navigation working again, I had to pull out some old hacks that made use of...
Good Enough
TIL: Managing Raspberry Pi software with a bit less pain For the printer project I'm working on, most of the software behind it runs "in the cloud", but...
a year ago
2
a year ago
For the printer project I'm working on, most of the software behind it runs "in the cloud", but there's some software that needs to run beside each printer, to check for new things to print and manage the process of downloading and sending those things to the printer component...
Vitalik Buterin's...
A Note on Metcalfe's Law, Externalities and Ecosystem Splits
over a year ago
Louwrentius
Tracking down a faulty Storage Array Controller with ZFS One day, I lost two virtual machines on our DR environment after a storage vMotion. Further...
over a year ago
3
over a year ago
One day, I lost two virtual machines on our DR environment after a storage vMotion. Further investigation uncovered that any storage vMotion of a virtual machine residing on our DR storage array would corrupt the virtual machine's disks. I could easily restore the affected...
Posts on Made of...
A brief look at Linux's security record After the fuss of the last two weeks because of CVE-2010-3081 and CVE-2010-3301, I decided to take a...
over a year ago
3
over a year ago
After the fuss of the last two weeks because of CVE-2010-3081 and CVE-2010-3301, I decided to take a look at a handful of the high-profile privilege escalation vulnerabilities in Linux from the last few years. So, here's a summary of the ones I picked out. There are also a large...
Jonas Hietala
Settled on an unoriginal idea I think I’ve decided what to do. Some very slight progress has been made.
over a year ago
Louwrentius
HP Procurve "auto DoS" feature causing network problems A feature on more recent HP Procurve models (18xx series, such as 1810G etc.) is called "Auto DoS"....
over a year ago
3
over a year ago
A feature on more recent HP Procurve models (18xx series, such as 1810G etc.) is called "Auto DoS". You can find it in the section "Security" and then "Advanced security". If you enable the Auto DoS feature, traffic is blocked based on one of these conditions: the source port...
Lighthouse Blog
Rules improvement: filter based on content
a week ago
Style over Substance
My Home Assistant setup (2023 edition) For the past few years, I have been running Home Assistant to make my apartment a smart home. It’s...
a year ago
107
a year ago
For the past few years, I have been running Home Assistant to make my apartment a smart home. It’s become such a hobby of mine that I’ve even started coding add-ons for it. While there are other popular automation platforms, Home Assistant’s versatility blows the rest out of the...
Yazin Alirhayim
How do you know that an API does what it says it does? Having been in fintech for a while, I’ve noticed something in common between the many new startups...
over a year ago
2
over a year ago
Having been in fintech for a while, I’ve noticed something in common between the many new startups that come and go. They all require access to personal information. A specific example that comes to mind is the Plaid-like solution we developed while working on amal. We’d ask...
Jonas Hietala
Zucchini Crabcakes With a tiny bit more planning I made a dinner out the lessons 4 and 5 as the crabcakes were only...
over a year ago
2
over a year ago
With a tiny bit more planning I made a dinner out the lessons 4 and 5 as the crabcakes were only supposed to be an appetizer: Crabcakes: Surprisingly delicious. Both me and Veronica gives them a 7. Zucchini: While I thought they passed Veronica said “Zucchini is not my thing” and...
Neil Madden
I still don’t really get “hash shucking” If you want to learn how to store passwords securely, you could do a lot worse than looking at the...
a year ago
3
a year ago
If you want to learn how to store passwords securely, you could do a lot worse than looking at the OWASP Password Storage Cheat Sheet. These cheat sheets are generally pretty good, and the password storage one is particularly good. The editors do a great job of keeping it up to...
Louwrentius
'lm-sensors: hardware monitoring with the w83627ehf module' I have two systems that use the w83627ehf driver for hardware monitoring. However, if this driver is...
over a year ago
2
over a year ago
I have two systems that use the w83627ehf driver for hardware monitoring. However, if this driver is installed with a regular modprobe like: modprobe w83627ehf The result will be: FATAL: Error inserting w83627ehf (/lib/modules/2.6.28-1-amd64/kernel/drivers/hwmon/w83627ehf.ko):...
Arduino Blog
This perplexing robotic performer operates under the control of three different Arduino boards Every decade or two, humanity seems to develop a renewed interest in humanoid robots and their...
2 months ago
17
2 months ago
Every decade or two, humanity seems to develop a renewed interest in humanoid robots and their potential within our world. Because the practical applications are actually pretty limited (given the high cost), we inevitably begin to consider how those robots might function as...
computers are bad
2024-08-12 a pedantic review of the las vegas loop Did you hear that Elon Musk dug a tunnel under the Las Vegas Convention Center? I think it is pretty...
4 months ago
53
4 months ago
Did you hear that Elon Musk dug a tunnel under the Las Vegas Convention Center? I think it is pretty universally known by now that the "Las Vegas Loop" is impractical, poorly thought out, and generally an embarrassment to society and industry. I will spare an accounting of the...
Applied Cartography
Always use an enum for your status field When I was first starting my career at Amazon — even more bright-eyed and rosy-cheeked than I am now...
3 months ago
2
3 months ago
When I was first starting my career at Amazon — even more bright-eyed and rosy-cheeked than I am now — I was thrilled by the concept of an "architecture review", and by extension the concept of a "Principal Engineer" (Amazon's term for a staff-level engineer, someone beyond...
Posts on Made of...
Automounting sshfs For some time now, many of us around MIT have noticed just how awesome sshfs is. It gives a totally...
over a year ago
2
over a year ago
For some time now, many of us around MIT have noticed just how awesome sshfs is. It gives a totally lightweight way to access the remote filesystem of any machine you have ssh to, without requiring any extra setup on the host. I’ve been running for at least a year now with my...
./techtipsy
How I ended up working as a software developer I’ve officially worked as a software developer since August 2016, and by now I have a fair share of...
4 months ago
55
4 months ago
I’ve officially worked as a software developer since August 2016, and by now I have a fair share of stories to tell from those years. But those are stories for another time. Today I’d like to focus on where it all got started. The early days I never considered myself good with...
./techtipsy
Stupid project ideas: the War Machine LinusTechTips has some pretty great videos about building insane PC and server setups, such...
over a year ago
26
over a year ago
LinusTechTips has some pretty great videos about building insane PC and server setups, such as: unboxing and deploying petabytes of storage 7 gamers, 1 CPU building sleeper PC-s testing sketchy CPU-s opening up a 100TB SSD I have the ideas, but not the budget of LinusTechTips, so...
lcamtuf’s thing
RAM: the forgotten history We owe computers not to Charles Babbage, but to the invention of electronically-controlled working...
2 months ago
3
2 months ago
We owe computers not to Charles Babbage, but to the invention of electronically-controlled working memory.
On Life and Lisp
Software freedom isn't about licenses -- it's about power. A restrictive end-user license agreement is one way a company can exert power over the user. When...
over a year ago
6
over a year ago
A restrictive end-user license agreement is one way a company can exert power over the user. When the free software movement was founded thirty years ago, these restrictive licenses were the primary user-hostile power dynamic, so permissive and copyleft licenses emerged as...
computers are bad
2024-12-11 travelers information stations Histories of radio broadcasting often make a particular focus on the most powerful stations. For...
a week ago
20
a week ago
Histories of radio broadcasting often make a particular focus on the most powerful stations. For historic reasons, WBCT of Grand Rapids, Michigan broadcasts FM at 320¸000 watts. Many AM stations are licensed to operate at 50,000 watts, but this modern license limit represented a...
./techtipsy
Can a laptop from 2012 be a viable home server? I’m a man of many ideas. It’s a shame that most of them are quite stupid. This is one of them, but...
over a year ago
38
over a year ago
I’m a man of many ideas. It’s a shame that most of them are quite stupid. This is one of them, but at least it makes for a fun experiment. Intro After adding an UPS to accompany my server, my setup was as complete as it could reasonably be. The server is low power, but packs...
Willem's Blog
Syncing files seamlessly between smartphone and tablet In order to optimise my workflow, I was looking for a way to seamlessly access the same files on...
over a year ago
2
over a year ago
In order to optimise my workflow, I was looking for a way to seamlessly access the same files on both my computer and smartphone. Read along to find out how I did it.
Willem's Blog
Supernova E3 Pro 2 dynamo powered headlight
over a year ago
Jonas Hietala
ghc 8.8.3 cannot find cabal 3.0.0.0 packages I’ve been using cabal to manage my Haskell dependencies for years, but when I last updated my system...
over a year ago
3
over a year ago
I’ve been using cabal to manage my Haskell dependencies for years, but when I last updated my system it suddenly stopped working. I installed my dependencies with cabal install xmonad, and checked that it’s installed under ~/.cabal: $ ls .cabal/bin/ xmonad@ But still when I...
Lighthouse Blog
Updates November 10
a year ago
Arduino Blog
How makers can use AR and VR Augmented reality (AR) and virtual reality (VR) are both currently experiencing a meteoric rise in...
6 months ago
35
6 months ago
Augmented reality (AR) and virtual reality (VR) are both currently experiencing a meteoric rise in popularity, with the combined market expected to reach $77 billion by 2025, from just $15.3 billion in 2020. For makers, AR and VR represent exciting opportunities to build new...
Jonas Hietala
On The Decline of FPS Games Mr. Eriksson just sent me this link as a fitting video on my post on The Decline of FPS...
over a year ago
2
over a year ago
Mr. Eriksson just sent me this link as a fitting video on my post on The Decline of FPS Games. https://www.youtube.com/watch?v=W1ZtBCpo0eU Oh How true!
Computer Ads from...
Vote for the April 2004 Plus Post Topic If you are a paid subscriber, voting is open for one week
8 months ago
Louwrentius
Smoking coolermaster Silent Pro M 600W TN6M50 So I was just messing around on my work station, when suddenly I smelled the smell any person...
over a year ago
3
over a year ago
So I was just messing around on my work station, when suddenly I smelled the smell any person familiar with electronics fears. The smell of some electrical component burning. The whole upper floor smelled like something was smoldering. So I shut down both my storage servers....
Jonas Hietala
A * After a few hours of coding I’ve made a little, little, bit of progress but it took a lot longer...
over a year ago
3
over a year ago
After a few hours of coding I’ve made a little, little, bit of progress but it took a lot longer than I would have liked. I’ve basically managed to make a world and some tiles in the world and we have a worker who can move around on the tiles and he can’t move on all...
Matt Mullenweg
On with Theo / T3.gg On Thursday, a prominent developer, YouTuber, Twitch streamer, and journalist posted a video titled...
2 months ago
5
2 months ago
On Thursday, a prominent developer, YouTuber, Twitch streamer, and journalist posted a video titled This might be the end of WordPress. It was very harsh. In that video you’ll hear him say about me, “he’s a chronic hater” (7:55), “seems like he’s been a pretty petty bastard for a...
computers are bad
2023-09-03 plastic money You will sometimes hear someone say, in a loose conceptual sense, that credit cards have money in...
a year ago
99
a year ago
You will sometimes hear someone say, in a loose conceptual sense, that credit cards have money in them. Of course we know that that isn't the case; our modern plastic card payment network relies on online transactions where the balance tracking and authorization decisions happen...
lcamtuf’s thing
Analog filters, part 2: let it ring A continuation of the gentle intro to analog signal filtering. In today's episode: the Sallen-Key...
2 months ago
Louwrentius
Linux network interface bonding / trunking or how to get beyond 1 Gb/s This article discusses Linux bonding and how to achieve 2 Gb/s transfer speeds with a single TCP/UDP...
over a year ago
2
over a year ago
This article discusses Linux bonding and how to achieve 2 Gb/s transfer speeds with a single TCP/UDP connection. UPDATE July 2011 Due to hardware problems, I was not able to achieve transfer speeds beyond 150 MB/s. By replacing a network card with one from another vendor (HP...
Vitalik Buterin's...
A Quick Gasprice Market Analysis
over a year ago
Vitalik Buterin's...
Soulbound
over a year ago
Louwrentius
Setting up a VPN with your iPhone using L2TP, IPSec and Linux This blogpost discusses how to setup an IPSec-based VPN between your iPhone and a Linux server....
over a year ago
2
over a year ago
This blogpost discusses how to setup an IPSec-based VPN between your iPhone and a Linux server. Updated 16 October 2012 - now compatible with Ubuntu 12.04 LTS IMPORTANT! (update January 2013) I find using OpenVPN with the new iOS OpenVPN client a way better solution. OpenVPN...
Louwrentius
Linux Mac Mini - temperature monitoring with lm-sensors This post is about getting temperature monitoring to work with a Mac Mini running Linux. Using...
over a year ago
3
over a year ago
This post is about getting temperature monitoring to work with a Mac Mini running Linux. Using Debian Lenny, out of the box, lm-sensors is not working. No sensors can be found. This is how temperature monitoring and fan speed monitoring can be made to work: modprobe applesmc If...
Good Enough
Beware of Free Software Beware of free pizza If I want a slice of pizza, I don't expect it to be free. In fact, if you try...
a year ago
3
a year ago
Beware of free pizza If I want a slice of pizza, I don't expect it to be free. In fact, if you try to offer me a slice of free pizza, I'd suspect there's something wrong with it. And ever since my kids can understand me, I've taught them to be careful of free stuff. Nothing is...
Notes on software...
Delightful, production-grade replication for Postgres This is an external post of mine. Click here if you are not redirected.
4 months ago
Willem's Blog
Using a budget Android as main smartphone I switched to Android to find out how good a budget smartphone performs compared to an expensive...
over a year ago
Jonas Hietala
The great Hochstapler Hey there. A lot has happened lately since my last update and my last game here. I’m now a pretty...
over a year ago
2
over a year ago
Hey there. A lot has happened lately since my last update and my last game here. I’m now a pretty happy student at Linköpings university and I’m reading something similar to Computer Science or Computer engineering, but I guess it’ll become whatever you make it to be. For...
Home on Erik...
Fermat's principle I was browsing around on the Internet and the physics geek in me started reading about Fermat's...
over a year ago
2
over a year ago
I was browsing around on the Internet and the physics geek in me started reading about Fermat's principle. And suddenly something came back to me that I've been trying to suppress for many years – how I never understood why there's anything fundamental about the principal of...
Nabeel S. Qureshi
Reading Notes on “Lost Time: Lectures on Proust in a Soviet Prison Camp” by Josef Czapski
over a year ago
Home on Erik...
Books I read in 2015 Early last year when I left Spotify I decided to do more reading. I was planning to read at least...
over a year ago
2
over a year ago
Early last year when I left Spotify I decided to do more reading. I was planning to read at least one book per week and in particular I wanted to brush up on management, economics, and technology.
Arduino Blog
Arduino’s Alvik Robot shortlisted for the Bett Awards 2025 in the AV, VR/AR, Robotics, and Digital... We’re thrilled to announce that Arduino Education has been shortlisted for the Bett Awards 2025,...
a month ago
23
a month ago
We’re thrilled to announce that Arduino Education has been shortlisted for the Bett Awards 2025, this time in the AV, VR/AR, Robotics, or Digital Device category with our Alvik robot! This recognition highlights our dedication to innovation, inclusivity, and the advancement of...
Vitalik Buterin's...
Situazioni di collusione
over a year ago
Home on Erik...
Ping the world I just pinged a few million random IP addresses from my apartment in NYC. Here's the result: Some...
over a year ago
2
over a year ago
I just pinged a few million random IP addresses from my apartment in NYC. Here's the result: Some notes: What's going on with Sweden? Too much torrenting? Ireland is likewise super slow, but not Northern Ireland Eastern Ukraine is also super slow, maybe not surprising given...
Good Enough
Season 1, Issue 4: Issue 4-evah 0. It’s Been a Long Time Sorry 4 the silence these past weeks. Life happened fast and furious....
over a year ago
2
over a year ago
0. It’s Been a Long Time Sorry 4 the silence these past weeks. Life happened fast and furious. Barry’s daughters all had marching band, and he chaperoned 4 the parades. His eldest daughter also went and got a boyfriend. Shawn’s been feeling a little under the weather, and his two...
Good Enough
TIL: Deploying a Sinatra app to Render.com This morning I wanted to deploy a simple Sinatra app to Render.com. It wasn’t super obvious to me,...
a year ago
2
a year ago
This morning I wanted to deploy a simple Sinatra app to Render.com. It wasn’t super obvious to me, so I figured I’d write down what worked in the end. First, a Gemfile: # Gemfile source 'https://rubygems.org' gem 'sinatra' gem 'sinatra-contrib' gem 'puma' * I’m pretty sure...
Jonas Hietala
We moved away from the city When me and my girlfriend Veronica moved to Linköping to study at the University the plan was never...
over a year ago
3
over a year ago
When me and my girlfriend Veronica moved to Linköping to study at the University the plan was never to stay there permanently. We just moved there to study but the longterm plan, if you can have one at that stage, was always to move back to the north of Sweden where we came...
GitButler
GitButler for Windows The GitButler client is now available natively on Windows.
8 months ago
seangoedecke.com RSS...
Blockchain for beginners Introduction This is a guide for developers who kinda sorta know what blockchains are for (making...
over a year ago
2
over a year ago
Introduction This is a guide for developers who kinda sorta know what blockchains are for (making distributed crypto-currencies like Bitcoin…
Engineers Need Art
VPX Scripting - Part 4 (Pet Sounds) Teacher's Pet gets new sounds in this post in a series about scripting Visual Pinball tables.
8 months ago
computers are bad
2024-01-21 multi-channel audio part 1 Stereophonic or two-channel audio is so ubiquitous today that we tend to refer to all kinds of...
11 months ago
78
11 months ago
Stereophonic or two-channel audio is so ubiquitous today that we tend to refer to all kinds of pieces of consumer audio reproduction equipment as "a stereo." As you might imagine, this is a relatively modern phenomenon. While stereo audio in concept dates to the late 19th...
Posts on Made of...
Two Perspectives on the End-to-End Principle Back when I was an undergraduate, as part of a class called “Computer Systems Engineering”, we read...
over a year ago
3
over a year ago
Back when I was an undergraduate, as part of a class called “Computer Systems Engineering”, we read numerous classic papers of systems design. I enjoyed and learned a great deal from many of these papers, but one that paper that has stuck with me in particular was Saltzer et al’s...
Lars Lofgren
The Sleazy World of Reddit Marketing, Everything is Fake I’m going to show you how to cash grab as a Reddit moderator. 5 minutes of work, then thousands of...
4 months ago
2
4 months ago
I’m going to show you how to cash grab as a Reddit moderator. 5 minutes of work, then thousands of dollars per month for doing nothing. Maybe tens of thousands. With a 100% real example. I’ve edited nothing. When you’re a Reddit mod, you have a TON of power in that subreddit. You...
Notes on software...
Exploring Postgres's arena allocator by writing an HTTP server from scratch This is an external post of mine. Click here if you are not redirected.
a month ago
Home on Erik...
Missing the point about microservices: it's about testing and deploying independently Ok, so I have to first preface this whole blog post by a few things: I really struggle with the...
over a year ago
2
over a year ago
Ok, so I have to first preface this whole blog post by a few things: I really struggle with the term microservices. I can't put my finger on exactly why. Maybe because the term is hopelessly ill-defined, maybe because it's gotten picked up by the hype train.
Louwrentius
Determining smartphone market share using wireless sniffing I started a project to see if I could track smartphone users by sniffing for wifi-clients. Most...
over a year ago
2
over a year ago
I started a project to see if I could track smartphone users by sniffing for wifi-clients. Most smartphones support wifi and most people don't bother disabling wifi when they go outdoors1. If wifi is left on, it is possible to detect these smartphones and track their movement. To...
Jonas Hietala
2012 Read Books I read a post, sadly lost the link, where the author had recorded all books she had read during the...
over a year ago
3
over a year ago
I read a post, sadly lost the link, where the author had recorded all books she had read during the year and I thought it’d be pretty fun to do. So here goes, in a mostly ordered list. The Art of Learning - Josh Waitzkin Världens Whiskey More of a reference book. Linear Algebra...
Neil Madden
Making things I made my daughter a toy tree house thing for Christmas out of old firewood (and a slice of cedar...
over a year ago
2
over a year ago
I made my daughter a toy tree house thing for Christmas out of old firewood (and a slice of cedar donated by a neighbour). It’s a bit clunky in places — “rustic” shall we say? But I probably enjoyed making this, over a few weeks of lunchtimes and evenings, more than anything I’ve...
computers are bad
2024-10-26 buy payphones and retire PAYPHONES at High Volume Existing sites! Earn BIG $$. Money Back Guarantee! Dropshipping AliExpress...
a month ago
30
a month ago
PAYPHONES at High Volume Existing sites! Earn BIG $$. Money Back Guarantee! Dropshipping AliExpress watches, AI-generated SEO spam websites... marginally legal and ethical passive income schemes, that serve to generate that income mostly for their promoters, can feel like a...
Jonas Hietala
Autocomplete with nvim-cmp Autocomplete tags in the frontmatter. Autocompletion is an absurdly powerful feature that I—and I...
7 months ago
3
7 months ago
Autocomplete tags in the frontmatter. Autocompletion is an absurdly powerful feature that I—and I must assume most programmers—use all the time. It’s not as crucial for writing blog posts as when you’re coding but it’s still easy to come up with examples of how autocomplete...
Birchtree
My default apps of 2024 Last year I was the 27th of four hundred and freaking eight people to write about their default...
5 hours ago
2
5 hours ago
Last year I was the 27th of four hundred and freaking eight people to write about their default apps, and I though it would be fun to turn this into a tradition and revisit the list to see if anything has changed since last year. ✨ next to each change
Arduino Blog
Expanding possibilities: Blues Wireless amplifies Opta’s connectivity Blues Wireless and Arduino have joined forces to create the game-changing Blues Wireless for Arduino...
7 months ago
82
7 months ago
Blues Wireless and Arduino have joined forces to create the game-changing Blues Wireless for Arduino Opta, unveiled this week at the Automate Show in Chicago. The expansion module is an affordable solution to enhance connectivity options for Arduino Opta micro PLCs, and marks a...
seangoedecke.com RSS...
Learning incident response with problem sets It’s hard to teach good incident response. A good understanding of how the system runs in production...
over a year ago
2
over a year ago
It’s hard to teach good incident response. A good understanding of how the system runs in production is essential, but how do you build that…
Arduino Blog
This Strandbeest-style coffee table can deliver drinks More than 30 years ago, Dutch artist Theo Jansen began astounding the world with his Strandbeesten...
3 months ago
32
3 months ago
More than 30 years ago, Dutch artist Theo Jansen began astounding the world with his Strandbeesten walking sculptures. Even after decades, they have an almost mythical allure thanks to the incredibly fluid way in which they walk. They’re clearly constructs, but with gaits that...
Simply Explained
ESP-IDF: Storing AWS IoT certificates in the NVS partition (for OTA) When using AWS IoT Core, most tutorials will tell you to include device certificates in your...
over a year ago
2
over a year ago
When using AWS IoT Core, most tutorials will tell you to include device certificates in your firmware. While that does work, it means you won't be able to run over-the-air updates.In this post, I'll show how to store AWS certificates in the NVS partition. This will make it...
csvbase blog
DuckDB isn't just fast A whistlestop tour of the cool bits of DuckDB
6 months ago
Home on Erik...
What I have been working on: Modal Long story short: I'm working on a super cool tool called Modal. Please check it out — it lets you...
over a year ago
3
over a year ago
Long story short: I'm working on a super cool tool called Modal. Please check it out — it lets you run things in the cloud without having to think about infrastructure. Scaling out, scheduling, containerization, using GPUs, setting up webhooks, and all kinds of other stuff.
Applied Cartography
Migrating someone who's on Stripe Connect Express Most Stripe accounts on Substack are “Standard Connect”, which essentially means that: the author...
11 months ago
2
11 months ago
Most Stripe accounts on Substack are “Standard Connect”, which essentially means that: the author has full agency over their account and is the merchant of record; they can revoke OAuth access from Substack (or whomever) at any time; Substack continues to take that 10% as an...
Jonas Hietala
Dbot So I made a small irc bot in 294 characters in code-golfing language #1: Perl. Usage perl...
over a year ago
2
over a year ago
So I made a small irc bot in 294 characters in code-golfing language #1: Perl. Usage perl Dbot Commands .name - Echo the bots name .hello - Output “hello world!” .src - Dump the source code Code use IO::Socket;$s=IO::Socket::INET->new("158.38.8.251:6667");sub o{print$s...
Christian Selig
Beware UserDefaults: a tale of hard to find bugs, and lost data Excuse the alarmist title, but I think it’s justified, as it’s an issue that’s caused me a ton of...
2 months ago
29
2 months ago
Excuse the alarmist title, but I think it’s justified, as it’s an issue that’s caused me a ton of pain in both support emails and actually tracking it down, so I want to make others aware of it so they don’t similarly burned. Brief intro For the uninitiated, UserDefaults (née...
Notes on software...
Speeding up Go's builtin JSON encoder up to 55% for large arrays of objects This is an external post of mine. Click here if you are not redirected.
over a year ago
Vitalik Buterin's...
Possible futures of the Ethereum protocol, part 3: The Scourge
2 months ago
Vitalik Buterin's...
Binius: highly efficient proofs over binary fields
7 months ago
Jonas Hietala
Exploring the Gleam FFI My brain is a curious thing. I’m on a business trip right now and I’ve set aside time to finish some...
11 months ago
2
11 months ago
My brain is a curious thing. I’m on a business trip right now and I’ve set aside time to finish some important todos I want and need to get done. But instead of focusing on them, I started playing around with Gleam—a young and interesting programming language. My (current)...
Neil Madden
A few clarifications about CVE-2022-21449 Just a few quick notes/updates to correct some potentially inaccurate statements that are floating...
over a year ago
2
over a year ago
Just a few quick notes/updates to correct some potentially inaccurate statements that are floating around on Reddit/Twitter etc: The bug only impacts Java 15 and above. The original advisory from Oracle incorrectly listed earlier versions (like 7, 8 and 11) as being impacted....
Louwrentius
Linux Iptables Firewall Script released on Google code I have released LIFS, the Linux Iptables Firewall Script. This script allows you to setup a firewall...
over a year ago
3
over a year ago
I have released LIFS, the Linux Iptables Firewall Script. This script allows you to setup a firewall within minutes. It is easy to use, yet very powerful. It uses Iptables and even improves upon some limitations of Iptables. Every person who has to maintain some kind of...
Willem's Blog
Updating Snake '97 This month I bit the bullet big time: I redesigned the game engine of the wildly popular Snake '97...
over a year ago
3
over a year ago
This month I bit the bullet big time: I redesigned the game engine of the wildly popular Snake '97 game. Read about the design challenges in this blog post.
Notes on software...
My favorite software subreddits Originally published on December 5, 2021. If you are an experienced software developer whose only...
a year ago
2
a year ago
Originally published on December 5, 2021. If you are an experienced software developer whose only exposure to reddit is dank memes, proggit or even language-specific subreddits like /r/python, you're missing out. What follows are my favorite subreddits in tech. My criteria is...
Matt Mullenweg
DrupalCon Singapore This week, DrupalCon Singapore is bringing together an incredible community of Drupal platform...
a week ago
4
a week ago
This week, DrupalCon Singapore is bringing together an incredible community of Drupal platform creators, developers, and supporters.  Last year, I had the chance to share the stage with Dries Buytaert, the founder of Drupal, and the conversation stuck with me. It highlighted the...
Notes on software...
The year in books: 20 to recommend in 2020 This year I finished 47 books, up from last year but not a personal best. The breakdown was 17...
over a year ago
2
over a year ago
This year I finished 47 books, up from last year but not a personal best. The breakdown was 17 non-fiction and 30 fiction. Another 20-30 remain started but unfinished this year. Non-fiction The 8 non-fiction books I most recommend are: Fashionapolis: The Price of Fast Fashion and...
Home on Erik...
Top posts These are some blog posts which have gotten a disproportionate amount of traffic (10,000+ page...
over a year ago
2
over a year ago
These are some blog posts which have gotten a disproportionate amount of traffic (10,000+ page views): 2024 It's hard to write code for computers, but it's even harder to write code for humans 2023 Simple sabotage for software 2022 We are still early with the cloud: why...
Old Vintage...
The spawn of AtariLab and the Universal Lab Interface We were a Commodore 64/128 household growing up, and Apple IIe systems at school, but that doesn't...
a year ago
66
a year ago
We were a Commodore 64/128 household growing up, and Apple IIe systems at school, but that doesn't mean I was unaware of Atari 8-bits. There was a family at church who had an 800XL and later a 130XE — and a stack of COMPUTE!'s I used to read through for hours — and it was...
Jonas Hietala
I Made It! It’s been over a year, but I haven’t lost (most) my touch yet! For the second time I’ve completed a...
over a year ago
2
over a year ago
It’s been over a year, but I haven’t lost (most) my touch yet! For the second time I’ve completed a Ludum Dare! Not an easy feat and yet there are tons of games that look absolutely wonderful. I’m not there yet but now I have at least gotten back into game making again, long...
Home on Erik...
The hacker's guide to uncertainty estimates It started with a tweet: New years resolution: every plot I make during 2018 will contain...
over a year ago
2
over a year ago
It started with a tweet: New years resolution: every plot I make during 2018 will contain uncertainty estimates — Erik Bernhardsson (@bernhardsson) January 7, 2018 Why? Because I've been sitting in 100,000,000 meetings where people endlessly debate whether the monthly number of...
Lighthouse Blog
Updates April 19
8 months ago
Posts on Made of...
Towards solving Ultimate Tic Tac Toe Summary: Read about my efforts to solve the game of Ultimate Tic Tac Toe. It’s been a fun journey...
over a year ago
3
over a year ago
Summary: Read about my efforts to solve the game of Ultimate Tic Tac Toe. It’s been a fun journey into interesting algorithms and high-performance parallel programming in Rust. Backstory Starting around the beginning of the COVID-19 lockdown, I’ve gotten myself deeply nerdsniped...
./techtipsy
The absolute state of Bluetooth audio in 2022 I have the Sony WH-1000XM3 headphones. They’re good for consuming content. Audio calls with your...
over a year ago
34
over a year ago
I have the Sony WH-1000XM3 headphones. They’re good for consuming content. Audio calls with your colleagues? Forget about it. This is the setup I have to go with, and it has all to do with how Bluetooth works. Your options with Bluetooth headsets are the following: high quality...
Vitalik Buterin's...
Crypto Cities
over a year ago
Applied Cartography
11ty .njk as the default templating language is an odd choice, and I find myself stubbing my toe on it a...
10 months ago
2
10 months ago
.njk as the default templating language is an odd choice, and I find myself stubbing my toe on it a good amount. Maybe that's a me thing! It is extremely fast. This site has around 2300 pages; Eleventy is compiling it in around two seconds. The extensibility ergonomics are...
Simply Explained
Filtering spam on YouTube with TensorFlow & AI My YouTube channel has been attracting a lot of spammers. They try to trick people by saying they...
over a year ago
2
over a year ago
My YouTube channel has been attracting a lot of spammers. They try to trick people by saying they know how to profit from trading cryptocurrencies or that they can recover lost wallet keys.I've been marking these comments as spam, thinking that YouTube would learn to recognize...
Arduino Blog
Synjets provide non-contact haptic feedback If the COVID pandemic showed us anything, it is that our public spaces are overflowing with...
7 months ago
83
7 months ago
If the COVID pandemic showed us anything, it is that our public spaces are overflowing with opportunity for germ transmission. In 2019, most people didn’t think twice about touching a gas pump handle or an ATM touchscreen, but it quickly became apparent that such contact presents...
Simply Explained
Migrating This Blog From Jekyll to Eleventy Jekyll has been powering this site for many years now. It replaced my WordPress setup, and I haven't...
over a year ago
3
over a year ago
Jekyll has been powering this site for many years now. It replaced my WordPress setup, and I haven't looked back. Over the last few months, I have become fed up with Jekyll. It's slowing me down. Time to replace it with something new and shiny!
Yazin Alirhayim
The Meem app: it sucks If you’re a “digital only” bank like Meem, the app your customers use is all they see: it’s like a...
over a year ago
2
over a year ago
If you’re a “digital only” bank like Meem, the app your customers use is all they see: it’s like a virtual 🏦 branch. That’s fitting, because you know what my impression of meem is as a user? When I open up their app, it feels like walking into a crowded butcher shop, with...
seangoedecke.com RSS...
Writing good technical explanations Software engineering is mainly learning. There is a great demand for technical explanations, and...
over a year ago
2
over a year ago
Software engineering is mainly learning. There is a great demand for technical explanations, and many thousands of books, talks and blog…
Home on Erik...
Everything I learned about technical debt I just made it to Sweden suffering from jet lag induced insomnia, but this blog post will not cover...
over a year ago
2
over a year ago
I just made it to Sweden suffering from jet lag induced insomnia, but this blog post will not cover that. Instead, I will talk a little bit about technical debt. The concept of technical debt always resonated with me, partly because I always like the analogy with “real” debt.
Computer Ads from...
Two Interviews with Ken Kaplan, One of the Creators of OS-9 Two interview from two different time periods
4 months ago
Ian's Blog
What the heck is OCSP? The online certificate status protocol, or OCSP for short, is a way for TLS clients (like your web...
over a year ago
1
over a year ago
The online certificate status protocol, or OCSP for short, is a way for TLS clients (like your web browser) to check if a certificate has been revoked or not. Certificate Revocation? With asymmetrical encryption, your encryption is only as good as long as your private key remains...
Louwrentius
Compatibility Highpoint RocketRAID 2320 and Samsung Spinpoint F1 There are some reports about incompatibility between RAID controllers and Samsung Spinpoint F1...
over a year ago
2
over a year ago
There are some reports about incompatibility between RAID controllers and Samsung Spinpoint F1 drives. I have no troubles with my 0.5 and 1.0 TB drives from Samsung using mentioned controller. See below: Controller 1: RocketRAID 232x SATA Controller 1/1/1 SAMSUNG HD103UJ...
Vitalik Buterin's...
Hard Forks, Soft Forks, Defaults and Coercion
over a year ago
Old Vintage...
The Hall SC-VGA-2 video processor, the Atari ST and NeXTSTEP: more tales of the unscreenshotable A periodic fascination on this blog is figuring out better ways to get better screenshots of our...
3 weeks ago
20
3 weeks ago
A periodic fascination on this blog is figuring out better ways to get better screenshots of our classic systems, which often hail from the Wild Wild West/East in terms of video standards (read all entries in this series). Naturally the best way is a bitwise direct grab of the...
Willem's Blog
One year of cycling GPS recording an entire year of bike rides using Garmin and Strava.
over a year ago
watchTowr Labs -...
Check Point - Wrong Check Point (CVE-2024-24919) Gather round, gather round - it’s time for another blogpost tearing open an SSLVPN appliance and...
6 months ago
2
6 months ago
Gather round, gather round - it’s time for another blogpost tearing open an SSLVPN appliance and laying bare a recent in-the-wild exploited bug. This time, it is Check Point who is the focus of our penetrative gaze. Check Point, for those unaware, is the vendor responsible for...
watchTowr Labs -...
We Spent $20 To Achieve RCE And Accidentally Became The Admins Of .MOBI Welcome back to another watchTowr Labs blog. Brace yourselves, this is one of our most astounding...
3 months ago
2
3 months ago
Welcome back to another watchTowr Labs blog. Brace yourselves, this is one of our most astounding discoveries. Summary What started out as a bit of fun between colleagues while avoiding the Vegas heat and $20 bottles of water in our Black Hat hotel rooms - has now seemingly...
Applied Cartography
Talking to customers You say that these numbers mean dial it down. I say they mean dial it up. You haven't gotten...
2 months ago
4
2 months ago
You say that these numbers mean dial it down. I say they mean dial it up. You haven't gotten through. There are people you haven't persuaded yet. These number mean dial it up. Otherwise you're like the French radical, watching the crowd run by and saying, "There go my people. I...
./techtipsy
How to save an old printer from the e-waste pile with a Raspberry Pi A family member has a Canon PIXMA MP250 printer, originally released in 2009. It has been a very...
6 months ago
76
6 months ago
A family member has a Canon PIXMA MP250 printer, originally released in 2009. It has been a very reliable piece of hardware, especially for a printer. Then came Windows 10. The printer would not work out of the box with it and the official drivers got stuck during installation....
Jonas Hietala
Writing lessons learned after writing a book A good writer isn’t born; a good writer is created It may sound dumb, but one of my reasons for...
a year ago
3
a year ago
A good writer isn’t born; a good writer is created It may sound dumb, but one of my reasons for writing a book was to improve my writing ability. Maybe I could’ve practiced on the blog instead, but putting things on paper gave it some added weight I don’t think I would’ve gotten...
computers are bad
2024-11-23 cablesoft As an American, I often feel an intense jealousy of Ceefax, one of several commercially successful...
4 weeks ago
29
4 weeks ago
As an American, I often feel an intense jealousy of Ceefax, one of several commercially successful teletext services in the UK and Europe. "Teletext" is sometimes a confusing term because of its apparent relation to telecom-industry technologies like the teletypewriter and...
Notes on software...
An effective product manager There are three specific activities I have loved in some product managers I've worked with (and...
a year ago
2
a year ago
There are three specific activities I have loved in some product managers I've worked with (and missed in others). tldr; Talk with customers and prospects Develop and share a vision Evangelize Talk with customers and prospects As a product manager, your superpower over...
watchTowr Labs -...
Fortinet FortiGate CVE-2024-23113 - A Super Complex Vulnerability In A Super Secure Appliance In... Today we'd like to share a recent journey into (yet another) SSLVPN appliance vulnerability - a...
2 months ago
5
2 months ago
Today we'd like to share a recent journey into (yet another) SSLVPN appliance vulnerability - a Format String vulnerability, unusually, in Fortinet's FortiGate devices. It affected (before patching) all currently-maintained branches, and recently was highlighted by CISA as...
Simply Explained
Retrospective: My Fifth Year on YouTube For the past 4 years, I have made a habit of reflecting on the previous year and set goals for the...
over a year ago
2
over a year ago
For the past 4 years, I have made a habit of reflecting on the previous year and set goals for the new year. This year is no exception, but now I try to set better goals while reflecting on some personal things in life.
Posts on Made of...
Versioning dotfiles in git I’ve been looking for a good solution for versioning and synchronizing my dotfiles between machines...
over a year ago
2
over a year ago
I’ve been looking for a good solution for versioning and synchronizing my dotfiles between machines for some time. I experimented with keeping all of ~ in subversion for a while, but it never worked out well for me. I’ve finally settled on a solution that I like using git, and so...
Birchtree
The “Bluesky feels like early Twitter!” vibe Bluesky has the juice right now, and while it’s slowed down a bit this week, they were adding over 1...
3 weeks ago
5
3 weeks ago
Bluesky has the juice right now, and while it’s slowed down a bit this week, they were adding over 1 million users a day for a bit last week. One sentiment I’m hearing a lot recently is that Bluely “feels like early Twitter,” which
lcamtuf’s thing
The 8-bit (MCU) manifesto Eight-bit microcontrollers aren't relics; they are a design philosophy. You might want to use them...
6 months ago
3
6 months ago
Eight-bit microcontrollers aren't relics; they are a design philosophy. You might want to use them more.
Willem's Blog
Tablet as main computer I have been using a tablet as my main computer for quite some time now. In this blog post I share...
over a year ago
2
over a year ago
I have been using a tablet as my main computer for quite some time now. In this blog post I share you my experience on using Surface Pro and iPad Pro to get my work done.
Applied Cartography
How Buttondown uses HAProxy There are few technical decisions I regret more with Buttondown than the decision to combine the...
3 months ago
2
3 months ago
There are few technical decisions I regret more with Buttondown than the decision to combine the author-facing app, the subscriber-facing app, and the marketing site all under a single domain. Most technical decisions are reversible with sufficient grit and dedication; this one...
Jonas Hietala
2018 in review A new year and a lingering feeling of not having done enough during the year. A fast review of the...
over a year ago
2
over a year ago
A new year and a lingering feeling of not having done enough during the year. A fast review of the year usually makes me feel better. 2018 non-geek achievements Was on parental leave for about 7 months. It was great although I’ve been crawling up the walls a little the last...
Willem's Blog
Replacing a Shimano shift cable After some adventure with our cargo bike, the Shimano Nexus 7-speed shifter cable got damaged and...
over a year ago
2
over a year ago
After some adventure with our cargo bike, the Shimano Nexus 7-speed shifter cable got damaged and needed replacement. Read my blog post to learn how to do this yourself.
watchTowr Labs -...
Auth. Bypass In (Un)Limited Scenarios - Progress MOVEit Transfer (CVE-2024-5806) In the early hours of a day in a month in 2024, watchTowr Labs was sent a chat log: 13:37 -!-...
6 months ago
3
6 months ago
In the early hours of a day in a month in 2024, watchTowr Labs was sent a chat log: 13:37 -!- dav1d_bl41ne [def_not_phalanx@kernel.org] has joined #!hack (irc.efnet.nl) 13:37 -!- dav1d_bl41ne changed the topic of #!hack to: mag1c sh0w
./techtipsy
Database optimization adventures on low-end hardware I used to work on a short-term project a while ago where the goal was to visualize some metrics that...
over a year ago
28
over a year ago
I used to work on a short-term project a while ago where the goal was to visualize some metrics that were collected from a pretty fancy smart home setup. This data included power usage of various sections of the building, temperature sensors, water usage levels and more. The data...
Louwrentius
Script that deletes old files to keep disk from filling up When a disk has no free space left, all kinds of trouble can occur. Therefore, I've created a...
over a year ago
2
over a year ago
When a disk has no free space left, all kinds of trouble can occur. Therefore, I've created a script that monitors the used space of a volume and deletes the oldest file if a certain threshold is reached. The script will keep on deleting the oldest file present on disk until...
Lighthouse Blog
Updates March 15
9 months ago
Louwrentius
ZFS: resilver performance of various RAID schemas When building your own DIY home NAS, it is important that you simulate and test drive failures...
over a year ago
2
over a year ago
When building your own DIY home NAS, it is important that you simulate and test drive failures before you put your important data on it. It makes sense to know what to do in case a drive needs to be replaced. I also recommend putting a substantial amount of data on your NAS and...
Good Enough
Season 1, Issue 1: The Loneliest Number 1. Confirmed Positive After two years of running from reality, it has finally happened for my...
over a year ago
2
over a year ago
1. Confirmed Positive After two years of running from reality, it has finally happened for my family. I have tested positive for SARS Coronavirus-2, the virus that causes COVID-19. For this honor, I would like to thank our society’s collective tiring of virus mitigation. It truly...
Abort Retry Fail
The History of Commodore, Part 1 Chuck Peddle, the 6502, MOS, and the PET
a year ago
Louwrentius
ZFS: Performance and capacity impact of ashift=9 on 4K sector drives Update 2014-8-23: I was testing with ashift for my new NAS. The ashift=9 write performance...
over a year ago
2
over a year ago
Update 2014-8-23: I was testing with ashift for my new NAS. The ashift=9 write performance deteriorated from 1.1 GB/s to 830 MB/s with just 16 TB of data on the pool. Also I noticed that resilvering was very slow. This is why I decided to abandon my 24 drive RAIDZ3...
lcamtuf’s thing
Weekend projects: getting silly with C C is beautiful yet full of horrors. Here's to uncovering its hidden depths.
5 months ago
Jonas Hietala
Life and Shields Time is running out! At least the more technical parts are mostly done. The ships have an acceptable...
over a year ago
2
over a year ago
Time is running out! At least the more technical parts are mostly done. The ships have an acceptable AI, they have rechargeable shields and they can now even be killed. Currently the game is far too easy, but it’s starting to look a little cooler at least.
Posts on Made of...
Reflections on software performance At this point in my career, I’ve worked on at least three projects where performance was a defining...
over a year ago
1
over a year ago
At this point in my career, I’ve worked on at least three projects where performance was a defining characteristic: Livegrep, Taktician, and Sorbet (I discussed sorbet in particular last time, and livegrep in an earlier post). I’ve also done a lot of other performance work on the...
Home on Erik...
What is your motivation? I've been trying to learn Clojure. I keep telling people I meet that I really want to learn Clojure,...
over a year ago
2
over a year ago
I've been trying to learn Clojure. I keep telling people I meet that I really want to learn Clojure, but still every night I can't get myself to spend time with it. It's unclear if I really want to learn Clojure or just want to have learned Clojure?
Good Enough
TIL: Use randomness to prevent email trimming With conversation threading (which almost everyone has enabled), Gmail was trimming the bottom of...
a year ago
2
a year ago
With conversation threading (which almost everyone has enabled), Gmail was trimming the bottom of the emails we send with our new app because they were too similar to the other emails in the conversation thread. They’re similar because that’s just the link to get back into the...
Home on Erik...
Books I consumed in 2017 Turns out having a toddler isn't super compatible with reading. I used to read ~100 books/year as a...
over a year ago
2
over a year ago
Turns out having a toddler isn't super compatible with reading. I used to read ~100 books/year as a teenager, but it has slowly deteriorated to maybe 20-30 books, at most. And I don't even finish all of them because life is too short!
Good Enough
PEOs are Good Enough (for us) Hi, I’m Patrick. Good Enough brought me on as a part-time Operations Manager who basically does all...
a year ago
2
a year ago
Hi, I’m Patrick. Good Enough brought me on as a part-time Operations Manager who basically does all the things that Shawn and Barry don’t want to do! My first task was to set up payroll for Good Enough’s three employees, something we thought would maybe be worth talking about! If...
Louwrentius
How to escape file names in bash shell scripts After fighting with Bash for quite some time, I found out that the following code provides a nice...
over a year ago
3
over a year ago
After fighting with Bash for quite some time, I found out that the following code provides a nice basis for escaping special characters. Ofcource it is not complete, but the most important characters are filtered. If anybody has a better solution, please let me know. It works and...
Louwrentius
Why you should not use IPsec for VPN connectivity IPsec is a well-known and widely-used VPN solution. It seems that it's not widely known that Niels...
over a year ago
2
over a year ago
IPsec is a well-known and widely-used VPN solution. It seems that it's not widely known that Niels Ferguson and Bruce Schneier performed a detailed security analysis of IPsec and that the results were not very positive. We strongly discourage the use of IPsec in its current form...
Applied Cartography
Notes from April Welcome to spring, bona fide and humid. Lots of writing this month: I wrote about spending the past...
7 months ago
3
7 months ago
Welcome to spring, bona fide and humid. Lots of writing this month: I wrote about spending the past two years as an independent technologist. On the media side of things: brief words on Murderville (meh), The Parallax View (incredible), This is Personal (meh), Cribsheet...
GitButler
GitButler is joining the Open Source Pledge GitButler is joining the Open Source Pledge to help move towards a more sustainable open source...
3 months ago
Jonas Hietala
The 4-Hour Chef: Scrambled Eggs I’ve been listening to The Tim Ferriss Show a while now and he and his guests often inspire me to...
over a year ago
2
over a year ago
I’ve been listening to The Tim Ferriss Show a while now and he and his guests often inspire me to make changes and start doing new things. I got introduced to Josh Waitzkin’s excellent The Art of Learning and the meta skill of learning has since then fascinated me. So when I got...
Good Enough
Why We're Writing Blog Software We’re seven months into our Cosmic Maelstrom and we have started writing blogging software. What the...
a year ago
2
a year ago
We’re seven months into our Cosmic Maelstrom and we have started writing blogging software. What the why?! First, let me say that, yes, I do realize there are probably 100s of blog software options out there. In terms of static-site generators (SSGs) alone, there are probably...
Louwrentius
Creating a basic ZFS file system on Linux Here are some notes on creating a basic ZFS file system on Linux, using ZFS on Linux. I'm...
over a year ago
2
over a year ago
Here are some notes on creating a basic ZFS file system on Linux, using ZFS on Linux. I'm documenting the scenario where I just want to create a file system that can tollerate at least a single drive failure and can be shared over NFS. Identify the drives you want to use for the...
Home on Erik...
Home
over a year ago
Style over Substance
M4 Hex Socket Thumbscrew Knob Caps For the past few weeks I’ve been teaching myself how to use Fusion 360, a free online cloud-based...
over a year ago
74
over a year ago
For the past few weeks I’ve been teaching myself how to use Fusion 360, a free online cloud-based CAD/CAM program that lets you create your own 3D designs. The best way to learn how to use a new program is to build something you actually need. And my latest design is a work in...
Good Enough
TIL: Listen for JavaScript events only once! A common thing I find myself doing in Javascript is adding some event driven behavior that I only...
a year ago
2
a year ago
A common thing I find myself doing in Javascript is adding some event driven behavior that I only want to happen once. Let’s say I have a big button that starts the process of lowering a certain spy into a pool of certain doom — I don’t want a second button press to awkwardly...
Vitalik Buterin's...
Halo and more: exploring incremental verification and SNARKs without pairings
over a year ago
Gwern.net Newsletter
May 2021 Gwern.net Newsletter links on AI hardware, diffusion models, optogenetics, brain scanning.
over a year ago
Christian Selig
The Case for Getting Rid of TestFlight Review I tweeted today about how I think TestFlight review should become a thing of the past and many...
over a year ago
26
over a year ago
I tweeted today about how I think TestFlight review should become a thing of the past and many developers seemed to agree, but some had questions so I wanted to expand on my thoughts a little. TestFlight’s awesome. But like App Store submissions, TestFlight betas also require a...
Jonas Hietala
Ludum Dare 22 results! The results from Ludum Dare 22 are in! I made the game Sat-E for the 48 hour competition and I was...
over a year ago
3
over a year ago
The results from Ludum Dare 22 are in! I made the game Sat-E for the 48 hour competition and I was quite happy with it. #24 Community 3.71 #40 Fun 3.38 #49 Theme 3.69 #65 Overall 3.42 #95 Humor 2.82 #167 Mood 2.92 #247 Innovation 2.69 #338 Audio 2.23 #340 Graphics 2.62 #376...
Matt Blewitt
Sensibly Default There are two programming principles that I hold dear to my heart: the principle of least surprise...
2 months ago
4
2 months ago
There are two programming principles that I hold dear to my heart: the principle of least surprise and provide sensible defaults. I’ve recently been working within the GraphQL ecosystem, and the number of violations of both here has frustrated me. This will be a little bit ranty.
Vitalik Buterin's...
The different types of ZK-EVMs
over a year ago
Jonas Hietala
The Little Things in Life It’s the little things in life that makes it extra special. Sometimes it’s the luxury of coffee...
over a year ago
2
over a year ago
It’s the little things in life that makes it extra special. Sometimes it’s the luxury of coffee together with the morning paper and other times it’s just a small simple smile from a random stranger, kid or dog. Today when I got this bad headache I got saved by a two hour nap and...
Home on Erik...
I'm looking for data engineers I'm interrupting the regular programming for a quick announcement: we're looking for data engineers...
over a year ago
3
over a year ago
I'm interrupting the regular programming for a quick announcement: we're looking for data engineers at Better. You would be the first one to join and would work a lot directly with me. Some fun things you could work on (these are all projects I'm working on right now):
Louwrentius
Switching away from Debian to Ubuntu LTS Over the last couple of years, Debian Linux has released new stable versions about every two years....
over a year ago
2
over a year ago
Over the last couple of years, Debian Linux has released new stable versions about every two years. This pace is great for progress, but there is a serious problem. This problem is related to their support for older Debian stable versions. If you read the quote below from the...
Louwrentius
I resurrected my Dutch movie review site from 2003 Introduction Between 2003 and 2006, I ran a Dutch movie review site called moevie.nl.1 I built the...
over a year ago
2
over a year ago
Introduction Between 2003 and 2006, I ran a Dutch movie review site called moevie.nl.1 I built the site and wrote the reviews. It never made any money. It cost me money to host, and it cost me a lot of time writing reviews, but I remember enjoying writing reviews about films I...
Jonas Hietala
Balls Here’s my first ever experimental game! The theme was Addictive Gaming. My first thought was oh god...
over a year ago
3
over a year ago
Here’s my first ever experimental game! The theme was Addictive Gaming. My first thought was oh god I’ll be making another tetris clone but the end result turned out a bit different. I’m not sure it’s very addictive but it’s actually okay! =D Balls is a game about… balls. Well...
Home on Erik...
Toxic meeting culture I spent six years at a company that went from 50 people to 1500 and one contributing factor leading...
over a year ago
3
over a year ago
I spent six years at a company that went from 50 people to 1500 and one contributing factor leading to my departure was that I went from a “maker” to a person stuck in meetings every day.
Home on Erik...
Momentum strategies Haven't posted anything in ages, so here's a quick hack I threw together in Python on a Sunday...
over a year ago
2
over a year ago
Haven't posted anything in ages, so here's a quick hack I threw together in Python on a Sunday night. Basically I wanted to know whether momentum strategies work well for international stock indexes. I spent a bit of time putting together a strategy that buys the stock index if...
Electronics etc…
HP 8656A Signal Generator Schematics Agilent has made the 8656A Signal Generator Operating & Service Manual available as a PDF, but the...
10 months ago
104
10 months ago
Agilent has made the 8656A Signal Generator Operating & Service Manual available as a PDF, but the schematics of chapter 8 are all spread over 3 or 4 pages, which makes them hard to follow. I spent a good evening extracting the schematics pages, cutting-and-pasting them together...
Lighthouse Blog
How to combine multiple RSS feeds in one view
6 months ago
Willem's Blog
Tudor Black Bay 36 long-term review For the past six months I have been wearing the same watch, every day and night. Read along to learn...
over a year ago
2
over a year ago
For the past six months I have been wearing the same watch, every day and night. Read along to learn what makes the Tudor Black Bay 36 the perfect every day watch.
Jonas Hietala
2013 in Review The year is almost over and I think I accomplished a lot this year. You can read my reviews of 2010,...
over a year ago
2
over a year ago
The year is almost over and I think I accomplished a lot this year. You can read my reviews of 2010, 2011 and 2012. 2013 Geek Achievements Solved 213 UVa problems. Got 43rd at NWERC 2013. Placed high in IMPA, with one turn won. Completed the online course Programming Languages in...
Old Vintage...
Refurb weekend: Canon Cat It's the Memorial Day holiday weekend and it's time for a little deferred maintenance, especially on...
6 months ago
85
6 months ago
It's the Memorial Day holiday weekend and it's time for a little deferred maintenance, especially on those machines I intend to work on more in the near future. So we'll start with one that's widely considered to be a remarkable cul-de-sac in computing history: the Canon...
Notes on software...
Writing a lisp compiler from scratch in JavaScript: 1. lisp to assembly Next in compiler basics: 2. user-defined functions and variables 3. LLVM 4. LLVM...
over a year ago
2
over a year ago
Next in compiler basics: 2. user-defined functions and variables 3. LLVM 4. LLVM conditionals and compiling fibonacci 5. LLVM system calls 6. an x86 upgrade In this post we'll write a simple compiler in Javascript (on Node) without any third-party libraries....
Arduino Blog
Adding proximity unlock to an old car with the Arduino Nano 33 BLE A lot of newer cars have a really nifty feature called “proximity unlock,” which automatically...
5 months ago
33
5 months ago
A lot of newer cars have a really nifty feature called “proximity unlock,” which automatically unlocks the doors when the driver approaches while carrying their key fob. When paired with a push-to-start ignition switch, the driver never has to take their keys out of their pocket....
Good Enough
TIL: Overriding Permalink Generation in FriendlyId FriendlyId is a helpful Ruby gem that streamlines creating permalinks and slugs for Rails...
3 months ago
3
3 months ago
FriendlyId is a helpful Ruby gem that streamlines creating permalinks and slugs for Rails applications. In Pika we're using it to help with generating permalinks for blog posts and pages as well as slugs for tags. When a customer wrote in with a request to modify the behavior of...
Willem's Blog
Building the blog... in style! Find out if it is possible to turn a computer from the 90s into a modern development machine.
over a year ago
detreville
Father's Day (First posted on Father's Day, 2022.)
a year ago
Jonas Hietala
My book 'Why Cryptocurrencies?' is done My first commit on my book Why Cryptocurrencies? is from Dec 19, 2018, and now about 17 months later...
over a year ago
3
over a year ago
My first commit on my book Why Cryptocurrencies? is from Dec 19, 2018, and now about 17 months later and 1006 more commits I’m finally done! Well, I’m done with the online version at least. I still plan to create an e-book, a PDF and a paperback and who knows how long that will...
Home on Erik...
Spotify's Discovery page The Discovery page, the new start page in Spotify, is finally out to a fairly significant percentage...
over a year ago
3
over a year ago
The Discovery page, the new start page in Spotify, is finally out to a fairly significant percentage of all users. Really happy since we have worked on it for the past six months. Here's a screen shot:
Arduino Blog
Can this tiny lawn mower robot cut it in the real world? We’re finally starting to see robotic lawn mowers gain a little bit of traction as prices come down...
6 months ago
42
6 months ago
We’re finally starting to see robotic lawn mowers gain a little bit of traction as prices come down and consumer trust goes up. They work a bit like Roomba vacuums and pathfinding sophistication varies from one model to the next. But even the most basic models are still a lot...
Arduino Blog
Project Hub’s new featured pages are your gateway to inspiration! Arduino’s Project Hub is more than just a platform; it’s a vibrant community where members share...
6 months ago
37
6 months ago
Arduino’s Project Hub is more than just a platform; it’s a vibrant community where members share their ideas and achievements, contributing to our knowledge base and inspiring everyone to make, learn, and try something new. With close to 5,400 projects, including tutorials,...
Old Vintage...
Refurb weekend: the Symbolics MacIvory Lisp machine I have hated Every collector has that machine, the machine they sunk so much time and, often, money into that...
2 months ago
35
2 months ago
Every collector has that machine, the machine they sunk so much time and, often, money into that they would have defenestrated it years ago except for all the aforementioned time and money. Yours truly is no exception. a future article.) They existed in highly technical...
./techtipsy
Lenovo ThinkPad P14s gen 4 (AMD): it doesn't suck under Linux I’ve had the opportunity to try out another new laptop at work. I’ve used a brand new laptop...
8 months ago
96
8 months ago
I’ve had the opportunity to try out another new laptop at work. I’ve used a brand new laptop recently, and it was horrible. But this time I’m pleasantly surprised. The Lenovo ThinkPad P14s gen 4 has great specs: CPU: AMD Ryzen 7 PRO 7840U (8 cores, 16 threads, up to 5.1 GHz) GPU:...
Home on Erik...
Music recommendations using cover images (part 1) Scrolling through the Discover page on Spotify the other day it occurred to me that the album is in...
over a year ago
2
over a year ago
Scrolling through the Discover page on Spotify the other day it occurred to me that the album is in fact a fairly strong visual proxy for what kind of content you can expect from it. I started wondering if the album cover can in fact be used for recommendations.
Notes on software...
Interpreting TypeScript In addition to providing a static type system and compiler for a superset of JavaScript, TypeScript...
over a year ago
2
over a year ago
In addition to providing a static type system and compiler for a superset of JavaScript, TypeScript makes much of its functionality available programmatically. In this post we'll use the TypeScript compiler API to build an interpreter. We'll build off of a...
Louwrentius
Please use ZFS with ECC Memory In this blogpost I argue why it's strongly recommended to use ZFS with ECC memory when building a...
over a year ago
2
over a year ago
In this blogpost I argue why it's strongly recommended to use ZFS with ECC memory when building a NAS. I would argue that if you do not use ECC memory, it's reasonable to also forgo on ZFS altogether and use any (legacy) file system that suits your needs. Why ZFS? Many people...
lcamtuf’s thing
Random objects: Intel Edison A glimpse of the missteps of x86 in the embedded world.
6 months ago
latest projects -...
POV Candle [Hardware] Tiny volumetric display
a year ago
Posts on Made of...
Security doesn't respect abstraction boundaries The fundamental tool of any engineering discipline is the notion of abstraction. If we can build a...
over a year ago
3
over a year ago
The fundamental tool of any engineering discipline is the notion of abstraction. If we can build a set of useful, easily-described behaviors out of a complex system, we can build other systems on top of those pieces, without having to understand to worry about the full complexity...
detreville
This is "detreville" It's my name, and the name of my Substack too. That's one less thing for everyone to remember.
a year ago
Louwrentius
Achieving 450 MB/s network file transfers using Linux Bonding Linux Bonding In this article I'd like to show the results of using regular 1 Gigabit network...
over a year ago
3
over a year ago
Linux Bonding In this article I'd like to show the results of using regular 1 Gigabit network connections to achieve 450 MB/s file transfers over NFS. I'm again using Linux interface bonding for this purpose. Linux interface bonding can be used to create a virtual network...
Arduino Blog
Assess your aquarium’s health with an AI-enabled ultrasonic sensor Below the surface of any body of water, harmful amounts of toxic gases and contaminates can...
7 months ago
106
7 months ago
Below the surface of any body of water, harmful amounts of toxic gases and contaminates can accumulate, which leads to a loss in fish and plant populations if not fixed quickly. But because most water testing, especially in aquariums, is done primarily on the surface, vital...
Matt Blewitt
Thoughts on User Safety We need to move beyond mere security and towards safety for our customers and our users. This is how...
over a year ago
2
over a year ago
We need to move beyond mere security and towards safety for our customers and our users. This is how we can do that.
Louwrentius
Rebooting results in degraded RAID array using Debian Lenny As described earlier, I setup a RAID 6 array consisting of physical 1 TB disk and 'virtual' 1 TB...
over a year ago
2
over a year ago
As described earlier, I setup a RAID 6 array consisting of physical 1 TB disk and 'virtual' 1 TB disks that are in fact two 0.5 TB disks in RAID 0.  I wanted to upgrade to Lenny because the new kernel that ships with Lenny supports growing a RAID 6 array. After installing Lenny...
Electronics etc…
Remote Controlling an HP 1670G Logic Analyzer with a Linux PC X Server Introduction Reserving a fixed IP address for the logic analyzer Assign the chosen IP address to the...
12 months ago
74
12 months ago
Introduction Reserving a fixed IP address for the logic analyzer Assign the chosen IP address to the logic analyzer Allow the logic analyzer to access your Ubuntu X server Configure the X-window Settings on the logic analyzer Install and declare the HP logic analyzer font...
Louwrentius
Secure caching DNS server on Linux with DJBDNS The most commonly used DNS server software is ISC BIND, the "Berkeley Internet Name Daemon"....
over a year ago
3
over a year ago
The most commonly used DNS server software is ISC BIND, the "Berkeley Internet Name Daemon". However, this software has a bad security track record and is in my opinion a pain to configure. Mr. D.J. Bernstein developed "djbdns", which comes with a guarantee: if anyone finds a...
seangoedecke.com RSS...
Building LLM-driven agents If you want a large language model like GPT-3 to perform a task for you, the simplest way is to just...
a year ago
2
a year ago
If you want a large language model like GPT-3 to perform a task for you, the simplest way is to just ask it. Writing out a single prompt…
Vitalik Buterin's...
Degen communism: the only correct political ideology
8 months ago
seangoedecke.com RSS...
Acing the coding challenge How do you write a successful coding challenge? Unlike some nightmare whiteboard interview...
over a year ago
3
over a year ago
How do you write a successful coding challenge? Unlike some nightmare whiteboard interview scenarios, typically a coding challenge is not a…
Vitalik Buterin's...
Quadratic Payments: A Primer
over a year ago
Old Vintage...
With PowerPC, Windows CE and the WiiN-PAD slate, everyone's a WiiN-er (except Data General) Telemedicine (and mobile health generally) accumulated a hunk of public mindshare during the...
7 months ago
119
7 months ago
Telemedicine (and mobile health generally) accumulated a hunk of public mindshare during the pandemic emergency, but speaking as someone with a day job in public health for almost two decades, it's always been a buzzword in certain corners of IT with enough money sloshing around...
Arduino Blog
This robotic kalimba plays melodies with an Arduino Nano With roots in Africa, the kalimba is a type of hand piano featuring an array of keys that are each...
3 months ago
23
3 months ago
With roots in Africa, the kalimba is a type of hand piano featuring an array of keys that are each tuned for a specific note, and upon plucking or striking one, a pleasant xylophone-like sound can be heard. Taking inspiration from his mini kalimba, Axel from the YouTube channel...
Louwrentius
Why Debian/Ubuntu Linux is to be preferred There are many Linux distributions around. However, I always come back to just one: Debian. The...
over a year ago
2
over a year ago
There are many Linux distributions around. However, I always come back to just one: Debian. The reason why so many people use Debian is the same reason I like it so much: software management.  With good old apt-get or the new aptitude, software is installed within minutes. Due to...
Applied Cartography
Weird test: internal link checking I wrote last month about using weird tests. Here's another example: checking for broken internal...
8 months ago
1
8 months ago
I wrote last month about using weird tests. Here's another example: checking for broken internal links in our upcoming docsite redesign! const extractInternalLinks = (content: string): string[] => { // Check for internal links only, in the form of [text](/path). const...
Notes on software...
Responsibility and ownership Responsibility is only possible by granting ownership and setting expectations. If you don't turn...
over a year ago
1
over a year ago
Responsibility is only possible by granting ownership and setting expectations. If you don't turn over ownership, don't expect folks to take responsibility. When you grant ownership and set expectations, you'll be astounded what folks will accomplish without you. I am astounded.
Arduino Blog
Introducing Arduino Academy: your path to becoming an Arduino-Certified Engineer begins! Want to upgrade your skills and become a certified Arduino engineer? Welcome to the Arduino Academy,...
a month ago
15
a month ago
Want to upgrade your skills and become a certified Arduino engineer? Welcome to the Arduino Academy, the go-to platform for hands-on, interactive learning designed to prepare you for the future of technology. Whether you’re just starting or looking to advance your career, the...
On Life and Lisp
AAA gaming on Asahi Linux Gaming on Linux on M1 is here! We’re thrilled to release our Asahi game playing toolkit, which...
2 months ago
36
2 months ago
Gaming on Linux on M1 is here! We’re thrilled to release our Asahi game playing toolkit, which integrates our Vulkan 1.3 drivers with x86 emulation and Windows compatibility. Plus a bonus: conformant OpenCL 3.0. Asahi Linux now ships the only conformant OpenGL®, OpenCL™, and...
Matt Mullenweg
My Freedom of Speech WP Engine has filed hundreds pages of legal documents seeking an injunction against me and...
2 months ago
4
2 months ago
WP Engine has filed hundreds pages of legal documents seeking an injunction against me and Automattic. They say this is about community or some nonsense, but if you look at the core, what they’re trying to do is ask a judge to curtail my First Amendment rights. The First...
Home on Erik...
The hardest challenge about becoming a manager Note: this post is full of pseudo-psychology and highly speculative content. Like most fun stuff! I...
over a year ago
2
over a year ago
Note: this post is full of pseudo-psychology and highly speculative content. Like most fun stuff! I became a manager back in 2009. Being a developer is fun. You have this very tangible way to measure yourself.
Arduino Blog
This DIY guitar transmitter sends digital audio to the amp When on stage, most guitarists will simply run a long cable from their guitar to the amp or mixer....
4 months ago
34
4 months ago
When on stage, most guitarists will simply run a long cable from their guitar to the amp or mixer. But that cable can become tangled or get in the way, which is a problem for some of the more animated musicians out there. Wireless transmitters exist for them to express themselves...
Notes on software...
Exploring PL/pgSQL: Strings, arrays, recursion, and parsing JSON Next in exploring PL/pgSQL: Implementing a Forth-like interpreter PostgreSQL comes with a...
over a year ago
2
over a year ago
Next in exploring PL/pgSQL: Implementing a Forth-like interpreter PostgreSQL comes with a builtin imperative programming language called PL/pgSQL. I used to think this language was scary because it has a bit more adornment than your usual language does. But looking deeper,...
Willem's Blog
WordPress: 10 tips to secure your website A lot of people use WordPress to manage their website. Prevent your site from being hacked using...
over a year ago
1
over a year ago
A lot of people use WordPress to manage their website. Prevent your site from being hacked using this blog post.
./techtipsy
Tiered storage: use the right tool for the job Hard drives are still the default choice for many homelab and data hoarding enthusiasts. They still...
a year ago
48
a year ago
Hard drives are still the default choice for many homelab and data hoarding enthusiasts. They still hold the gigabytes per dollar advantage over SSD-s (for now), and if you buy the big external drives and take the drives out of the enclosures, you can get a pretty good...
Ken Shirriff's blog
The Pentium as a Navajo weaving Hurrying through the National Gallery of Art five minutes before closing, I passed a Navajo weaving...
3 months ago
2
3 months ago
Hurrying through the National Gallery of Art five minutes before closing, I passed a Navajo weaving with a complex abstract pattern. Suddenly, I realized the pattern was strangely familiar, so I stopped and looked closely. The design turned out to be an image of Intel's Pentium...
Jonas Hietala
Let's create a Tree-sitter grammar One of my favorite features in Neovim is the Tree-sitter integration. It allows for fast syntax...
9 months ago
3
9 months ago
One of my favorite features in Neovim is the Tree-sitter integration. It allows for fast syntax highlighting that works well even in an error state (often the case when you’re editing code), and it has additional semantics (you can differentiate between function parameters and...
computers are bad
2023-10-15 go.com Correction: a technical defect in my Enterprise Content Management System resulted in the email...
a year ago
110
a year ago
Correction: a technical defect in my Enterprise Content Management System resulted in the email having a subject that made it sound like this post would be about the classic strategy game Go. It is actually about a failed website. I regret the error; the responsible people have...
Arduino Blog
Marble art madness from a marvelous machine Marbles are underrated. They’re very round, roll well, tend to be pretty shiny, and come in all...
2 months ago
16
2 months ago
Marbles are underrated. They’re very round, roll well, tend to be pretty shiny, and come in all sorts of neat colors. That last characteristic makes them suitable for artwork, like orbicular pixels. In his most ambitious project to date, Engineezy took advantage of those...
Home on Erik...
Building a data team at a mid-stage startup: a short story I guess I should really call this a parable. The backdrop is: you have been brought in to grow a...
over a year ago
2
over a year ago
I guess I should really call this a parable. The backdrop is: you have been brought in to grow a tiny data team (~4 people) at a mid-stage startup (~$10M annual revenue), although this story could take place at many different types of companies.
Arduino Blog
Boring rice cooker becomes uruchimai powerhouse Rice cookers are staple appliances in about half of the world and basic models are very affordable....
5 months ago
60
5 months ago
Rice cookers are staple appliances in about half of the world and basic models are very affordable. But those are simple machines that are about as “dumb” as electric kettles. The result is often rice that has been sitting in the warming stage for too long, making the bottom...
lcamtuf’s thing
The serious science of trolling LLMs The internet's oldest pastime finally has a purpose -- and it's more serious than AI companies would...
5 months ago
1
5 months ago
The internet's oldest pastime finally has a purpose -- and it's more serious than AI companies would like to admit.
Applied Cartography
Gosling’s Old Rum Virginia has draconian liquor laws, which means I have to get interesting bottles shipped from...
10 months ago
3
10 months ago
Virginia has draconian liquor laws, which means I have to get interesting bottles shipped from [REDACTED], a site on which I am very prone to judging a book by its cover; every month I'll end up purchasing a bottle of something purely because it looks interesting and I can...
Jonas Hietala
Good and Bad Programmers Every now and day blog posts about what it takes to be a good programmer or how you figure out if...
over a year ago
3
over a year ago
Every now and day blog posts about what it takes to be a good programmer or how you figure out if someone is a bad programmer arrives. There’s always talk about how you find the good programmers in interviews and the topic is always hot in schools and universities. Today I read...
Jonas Hietala
Where's Teddy? So I did this course Game Design and what’s a course on Game Design without a game? Well, here it...
over a year ago
2
over a year ago
So I did this course Game Design and what’s a course on Game Design without a game? Well, here it is. Made in about seven days (more likely eight) and I thought it became quite cool. Where’s Teddy? How to Play Your mission is to find teddy and his teddybear friends. The...
Electronics etc…
A Hardware Interposer to Fix the Symmetricom SyncServer S200 GPS Week Number Rollover Problem Introduction IMPORTANT: Use the Right GPS Antenna! The Problem: SyncServer Refuses to Lock to...
4 months ago
52
4 months ago
Introduction IMPORTANT: Use the Right GPS Antenna! The Problem: SyncServer Refuses to Lock to GPS The GPS Week Number Rollover Issue Making the Furuno GT-8031 Work Again How It Works Build Instructions Power Supply Recapping The Future: A Software-Only Solution The...
Louwrentius
Recycle your old laptop display and turn it into a monitor During a cleaning spree I decided that it was time to recycle two old laptops that were just...
over a year ago
3
over a year ago
During a cleaning spree I decided that it was time to recycle two old laptops that were just collecting dust on a shelf for many years. Although I didn't have any purpose for them anymore, I realised that the displays were still perfectly fine. This is the display of my old 13"...
Home on Erik...
Nearest neighbors and vector models – epilogue – curse of dimensionality This is another post based on my talk at NYC Machine Learning. The previous two parts covered most...
over a year ago
3
over a year ago
This is another post based on my talk at NYC Machine Learning. The previous two parts covered most of the interesting parts, but there are still some topics left to be discussed. To go back and read the meaty stuff, check out
Home on Erik...
The relationship between commit size and commit message size Wow I guess it was more than a year ago that I tweeted this. Crazy how time flies by. Anyway, here's...
over a year ago
3
over a year ago
Wow I guess it was more than a year ago that I tweeted this. Crazy how time flies by. Anyway, here's my rationale: When I update one line of code I feel like I have to put in a long explanation about its side effects, why it's fully backwards compatible, and why it fixes some...
Notes on software...
What's the big deal about Deterministic Simulation Testing? Bugs in distributed systems are hard to find, largely because systems interact in chaotic ways. And...
4 months ago
3
4 months ago
Bugs in distributed systems are hard to find, largely because systems interact in chaotic ways. And even once you've found a bug, it can be anywhere from simple to impossible to reproduce it. It's about as far away as you can get from the ideal test environment: property...
Arduino Blog
This small device enables users to feel braille through haptics For the visually impaired community, most of their interactions on mobile phones are confined to...
7 months ago
64
7 months ago
For the visually impaired community, most of their interactions on mobile phones are confined to text-to-speech (TTS) interfaces that read portions of the screen aloud. Dynamic braille displays also exist as a tactile means of communication, but their prices can get close to...
Arduino Blog
This beautiful table creates art in the sand Kinetic sand art tables are pretty hot right now, because they look really cool. They’re like zen...
4 months ago
27
4 months ago
Kinetic sand art tables are pretty hot right now, because they look really cool. They’re like zen gardens that rake themselves in intricate patterns. But most of the builds we’ve seen use a conventional cartesian CNC layout or polar layout. This table by Newsons Electronics takes...
Jonas Hietala
Postmortem: Black and White All this time working on my latest game I thought it sucked and I was trying hard to make it to not...
over a year ago
2
over a year ago
All this time working on my latest game I thought it sucked and I was trying hard to make it to not suck. My spirit wasn’t high, just check this post and this but now when it’s done it’s like night and day, or like black and white! I’m damn happy I got it done!! Aah I’ll try to...
./techtipsy
What I've learned running Linux and Windows off of USB flash drives I’ve recently made an effort to reduce the amount of tech stuff that I own. Lack of space, lack of...
2 weeks ago
27
2 weeks ago
I’ve recently made an effort to reduce the amount of tech stuff that I own. Lack of space, lack of time and the guilt of storing perfectly functional hardware unused in a box were the main motivators. This has resulted in experiments with my assortment of USB flash storage that...
Louwrentius
Highpoint RocketRAID 2320 on Debian howto Get the 'open source' driver from www.highpoint-tech.com. (It's not open source, it uses a closed...
over a year ago
3
over a year ago
Get the 'open source' driver from www.highpoint-tech.com. (It's not open source, it uses a closed binary driver.) http://www.highpoint-tech.com/USA/bios_rr2320.htm Install the kernel headers if you haven't already - apt-get install linux-headers-2.6.18-6-k7 - extract the...
Notes on software...
Compiling dynamic programming languages It can be difficult to disassociate the idea that dynamically typed programming languages are tied...
over a year ago
3
over a year ago
It can be difficult to disassociate the idea that dynamically typed programming languages are tied to byte-code interpreters (e.g. YARV Ruby, CPython, V8, Zend Engine, etc.). But for many languages, a compiled implementation also exists. Cython, Chicken Scheme and SBCL are good...
Ken Shirriff's blog
Inside an IBM/Motorola mainframe controller chip from 1981 In this article, I look inside a chip in the IBM 3274 Control Unit.1 But before I discuss the chip,...
5 months ago
2
5 months ago
In this article, I look inside a chip in the IBM 3274 Control Unit.1 But before I discuss the chip, I need to give some background on mainframes. (I didn't completely analyze the chip, so don't expect a nice narrative or solid conclusions.) Die photo of the Motorola/IBM SC81150...
Home on Erik...
Exploding offers are bullshit I do a lot of recruiting and have given maybe 50 offers in my career. Although many companies do, I...
over a year ago
3
over a year ago
I do a lot of recruiting and have given maybe 50 offers in my career. Although many companies do, I never put a deadline on any of them. Unfortunately, I've often ended up competing with other companies who do, and I feel really bad that this usually tricks younger developers...
Willem's Blog
The Same, Differently
a year ago
Good Enough
Issue 0: Collector's Item 1. Oh, hello. We didn’t see you there. How are you doing? You’ve somehow ended up with a collector’s...
over a year ago
3
over a year ago
1. Oh, hello. We didn’t see you there. How are you doing? You’ve somehow ended up with a collector’s item in your hands: the very first Good Enough Newsletter. This is the beginning of what we (Barry Hess & Shawn Liu) hope to be a years-long series of communiqués with our rabid...
Odds and Ends of...
Odds and Ends #44: The New Statesman still needs fixing Plus Channel Tunnel news, a NIMBY assault on an excellent pub, and more!
3 weeks ago
Home on Erik...
Never attribute to stupidity that which is adequately explained by opportunity cost Hanlon's razor is a classic aphorism I'm sure you have heard before: Never attribute to malice that...
over a year ago
2
over a year ago
Hanlon's razor is a classic aphorism I'm sure you have heard before: Never attribute to malice that which can be adequately explained by stupidity. I've found that neither malice nor stupidity is the most common reason when you don't understand why something is in a certain way.
Construction Physics
Does All Semiconductor Manufacturing Depend on Spruce Pine Quartz? Here’s an idea you see spreading across the internet every so often: that all semiconductor and...
a month ago
28
a month ago
Here’s an idea you see spreading across the internet every so often: that all semiconductor and solar PV manufacturing depends on extremely pure quartz from the town of Spruce Pine, North Carolina.
Engineers Need Art
VPX Scripting - Part 3 (Cut & Paste) Sound code is added in this third in a series of posts about scripting Visual Pinball tables.
8 months ago
Louwrentius
Monitor power usage with your UPS If a system is connected to a UPS (Uninterruptible Power Supply), it is possible to determine how...
over a year ago
3
over a year ago
If a system is connected to a UPS (Uninterruptible Power Supply), it is possible to determine how much power it consumes. For this purpose, I wrote a small script: Host:~# ./ups.sh UPS model: Back-UPS RS 1200 LCD APC model: Back-UPS RS 1200 LC Capacity: 720 Watt Load: 18...
Jonas Hietala
The eBook for 'Why Cryptocurrencies?' is now available for free The eBook for my book Why Cryptocurrencies? is now available for free. It’s been almost 4 years...
10 months ago
2
10 months ago
The eBook for my book Why Cryptocurrencies? is now available for free. It’s been almost 4 years since the web version was done, and 3 since the physical copy was available… Which can hardly be called a success. Things happened, so let’s do a quick retrospective to, maybe, learn...
Jonas Hietala
fish_update_completions in Slackware 14.1 I’ve been trying out fish shell lately. A cool feature with fish is that it can automatically...
over a year ago
2
over a year ago
I’ve been trying out fish shell lately. A cool feature with fish is that it can automatically generate completions by parsing the installed man pages by running fish_update_completions. Unfortunately this is what I got: Traceback (most recent call last): File...
Arduino Blog
This belt grinder uses an Arduino Opta micro PLC A mainstay in most machine shops, the belt grinder assists in greatly increasing the speed at which...
2 months ago
18
2 months ago
A mainstay in most machine shops, the belt grinder assists in greatly increasing the speed at which parts can be ground down in a safer, more controlled manner compared to an angle grinder. As an effort to build a tool like this one for the first time, Julien Alexandre chose to...
Jonas Hietala
It's Time for More School Today it’s finally starting again and it’s off with a flying start. We have 11 lectures this first...
over a year ago
1
over a year ago
Today it’s finally starting again and it’s off with a flying start. We have 11 lectures this first week and an absolutely smacked schedule. If that wasn’t enough I also have a mentor time to prepare for and I need to start Taekwon-do again. On another note Ḯ’m currently plowing...
Louwrentius
My solar-powered blog is now on Lithium Iron Phosphate In my last blog post I discussed how a small solar project - to power this blog on a Raspberry Pi -...
a year ago
1
a year ago
In my last blog post I discussed how a small solar project - to power this blog on a Raspberry Pi - escalated into a full-blown off-grid solar setup, large enough to power the computer I use at the moment to write this update1. In this update, I want to discuss my battery...
Louwrentius
Installation of ZFS on Linux hangs on Debian Wheezy This article is no longer relevant. After a fresh net-install of Debian Wheezy, I was unable to...
over a year ago
2
over a year ago
This article is no longer relevant. After a fresh net-install of Debian Wheezy, I was unable to compile the ZFS for Linux kernel module. I've installed apt-get install build-essential but that wasn't enough. The apt-get install debian-zfs command would just hang. I noticed a...
Home on Erik...
Deep learning for… chess (addendum) My previous blog post about deep learning for chess blew up and made it to Hacker News and a couple...
over a year ago
3
over a year ago
My previous blog post about deep learning for chess blew up and made it to Hacker News and a couple of other places. One pretty amazing thing was that the Github repo got 150 stars overnight.
Matt Blewitt
Movement for Engineers Until we get get to be chromed-up cyborgs, we’re stuck with our meat bodies, and like many things,...
a year ago
2
a year ago
Until we get get to be chromed-up cyborgs, we’re stuck with our meat bodies, and like many things, they need regular maintenance. Here is a brief introduction to keeping your body moving as someone who spends a lot of time sitting down.
./techtipsy
My very first career day This post is a short overview of my experience at a career day in Valga, Estonia, hosted with the...
10 months ago
105
10 months ago
This post is a short overview of my experience at a career day in Valga, Estonia, hosted with the help of GreenDice. I’ve never spoken at a career day before nor attended one as a student, which is why I instantly agreed to going to one when GreenDice reached out to me. Why? I...
Engineers Need Art
Casady & Greene Remembering Casady & Greene and the excitement (and closing) of an era of Macintosh software...
3 months ago
41
3 months ago
Remembering Casady & Greene and the excitement (and closing) of an era of Macintosh software publishing.
Old Vintage...
MacLynx beta 5: UTF-8, pull-down menus and more dialogue boxes, oh my! I've been working off and on doing further Mac-ification to my updated fork of MacLynx, the System...
a year ago
63
a year ago
I've been working off and on doing further Mac-ification to my updated fork of MacLynx, the System 7-compatible port of the venerable text browser Lynx for classic 68K Macintoshes (and Power Macs) running A/UX 3.x or System 7.x and later. There's still more to do, but a lot has...
Neil Madden
Towards a standard for bearer token URLs In XSS doesn’t have to be Game Over, and earlier when discussing Can you ever (safely) include...
over a year ago
2
over a year ago
In XSS doesn’t have to be Game Over, and earlier when discussing Can you ever (safely) include credentials in a URL?, I raised the possibility of standardising a new URL scheme that safely allows encoding a bearer token into a URL. This makes it more convenient to use lots of...
Louwrentius
Is there an easy and secure way to transfer files? Many organisations just assume that the local physical network is trusted. That their network...
over a year ago
3
over a year ago
Many organisations just assume that the local physical network is trusted. That their network equipment is physically secure and that it is impossible for an attacker to get on the wire and start eavesdropping on network traffic. Many organisations do not seem too concerned about...
Opsbros
The Bindicator So I made this project for my dad for Fathers Day a couple of years ago, and thought i'd share it....
over a year ago
2
over a year ago
So I made this project for my dad for Fathers Day a couple of years ago, and thought i'd share it. The one shown is the Rev-1 design which is far from perfect, in fact it has several major issues I will discuss below, however it definitely works,
OH8HUB’s Substack
Eliminating Radio Interference from Apple charger Apple's product design teams should do a better job eliminating unwanted radio frequency emissions...
a year ago
Good Enough
How We Built Unique Social Preview Images for Pika One of the goals of Pika, the happy blogging software that we recently launched, is to help you find...
10 months ago
2
10 months ago
One of the goals of Pika, the happy blogging software that we recently launched, is to help you find your own place on the internet. Along with a nice place on the internet, when you share links to your blog we want them to represent your internet home, which you've likely taken...
Louwrentius
LFS - Linux Firewall Script released I started a small new Google project for a new script I wrote called LFS. It stands for Linux...
over a year ago
2
over a year ago
I started a small new Google project for a new script I wrote called LFS. It stands for Linux Firewall Script. I run a small Linux box as an internet router that doubles as a firewall. The firewall is configured using iptables. In my opinion, iptables is not the easiest tool to...
Engineers Need Art
Soft Dorothy Software — Shareware Projects Wherein I attempt to recover and restore old shareware code and program again like it's 1989.
3 months ago
Matt Mullenweg
Cloudflare Stories There are two great Cloudflare-related stories published this weekend. The first is Steven Levy’s...
2 months ago
4
2 months ago
There are two great Cloudflare-related stories published this weekend. The first is Steven Levy’s incredible story about Tim Jenkin, who created a secure communication protocol for the African National Congress to overthrow the apartheid regime in South Africa. Cloudflare’s CTO,...
Vitalik Buterin's...
Sidechains vs Plasma vs Sharding
over a year ago
Bryan Braun - Blog
Goodbye Evernote, Hello Obsidian I use note-taking software every day. I use it for journaling, blogging, capturing ideas,...
6 months ago
2
6 months ago
I use note-taking software every day. I use it for journaling, blogging, capturing ideas, researching technologies, managing my projects, and many other things. Writing is how I think through problems, and note-taking software makes all that thinking easy to search and...
Arduino Blog
Check out these Arduino-powered research projects from CHI 2024 Held in Hawaii this year, the Association of Computing Machinery (ACM) hosted its annual conference...
6 months ago
94
6 months ago
Held in Hawaii this year, the Association of Computing Machinery (ACM) hosted its annual conference on Human Factors in Computing Systems (CHI) that focuses on the latest developments in human-computer interaction. Students from universities all across the world attended the...
Applied Cartography
Meta's two assets (Epistemic disclaimer: there are few Extremely Big Tech Companies to whom I feel apathy more vividly...
a month ago
4
a month ago
(Epistemic disclaimer: there are few Extremely Big Tech Companies to whom I feel apathy more vividly than Meta. I had a Facebook account in high school and college and got rid of it at some point post-graduation, though I'd be hard-pressed to tell you when exactly that was.) It...
Jonas Hietala
Language spec in code blocks Even though I just recently restyled the blog and wasn’t going to touch it, there was one thing I...
a year ago
2
a year ago
Even though I just recently restyled the blog and wasn’t going to touch it, there was one thing I wanted to add, but it felt a little bothersome so I skipped it. It was to display the highlighted language in code blocks: The code spec displays what programming language the code...
Matt Mullenweg
Automattic Alignment Winston Churchill said, “Never let a good crisis go to waste.” Since I last blogged here, WP Engine...
2 months ago
4
2 months ago
Winston Churchill said, “Never let a good crisis go to waste.” Since I last blogged here, WP Engine filed a meritless lawsuit and Automattic responded, and there’s been a hurricane of public activity and press. Inside of Automattic, there’s been a parallel debate and process....
Home on Erik...
Headcount goals, feature factories, and when to hire those mythical 10x people When I started building up a tech team for Better, I made a very conscious decision to pay at the...
over a year ago
2
over a year ago
When I started building up a tech team for Better, I made a very conscious decision to pay at the high end to get people. I thought this made more sense: they cost a bit more money to hire, but output usually more than compensates for it.
Willem's Blog
Impact of training Join me on an intriguing journey as I explore the transformative impact of effective training and...
a year ago
2
a year ago
Join me on an intriguing journey as I explore the transformative impact of effective training and data analysis on my performance in the Fietselfstedentocht 2023.
Willem's Blog
CAPTCHA Alternative If you're looking for a user-friendly alternative for CAPTCHA's you should check this post out where...
over a year ago
3
over a year ago
If you're looking for a user-friendly alternative for CAPTCHA's you should check this post out where I outline how I protect web forms against malicious actors and spammers.
Jonas Hietala
8-puzzle in rust I think rust is one of the most interesting upcoming programming languages out there. So I wrote a...
over a year ago
2
over a year ago
I think rust is one of the most interesting upcoming programming languages out there. So I wrote a solution to the 8-puzzle (see the 15-puzzle) using A*. It also has a breadth first search for solutions on a specific distance away from the goal. The solution is not by any means a...
Home on Erik...
Deep learning for… Go This is the last post about deep learning for chess/go/whatever. But this really cool paper by...
over a year ago
2
over a year ago
This is the last post about deep learning for chess/go/whatever. But this really cool paper by Christopher Clark and Amos Storkey was forwarded to me by Michael Eickenberg. It's about using convolutional neural networks to play Go.
Nabeel S. Qureshi
Notes on Puzzles 1. I mostly don’t play chess anymore — it’s too addictive, and tends to take over your brain in a...
a year ago
2
a year ago
1. I mostly don’t play chess anymore — it’s too addictive, and tends to take over your brain in a way I don’t like — but one habit I’ve retained is solving puzzles.
computers are bad
2024-04-05 the life of one earth station Sometimes, when I am feeling down, I read about failed satellite TV (STV) services. Don't we all?...
8 months ago
109
8 months ago
Sometimes, when I am feeling down, I read about failed satellite TV (STV) services. Don't we all? As a result, I've periodically come across a company called AlphaStar Television Network. PrimeStar may have had a rough life, but AlphaStar barely had one at all: it launched in...
Willem's Blog
From tree to table Creating a night stand from a raw slab of chestnut wood.
over a year ago
Matt Mullenweg
I Voted! It was a huge pain in the butt, because my mail-in ballot didn’t register properly, but I found a...
a month ago
4
a month ago
It was a huge pain in the butt, because my mail-in ballot didn’t register properly, but I found a last-minute flight to Houston and this morning walked over to Congregation Emanu El and voted. It is our most sacred duty as a citizen. I encourage every American to vote.
Louwrentius
Solaris is an obsolete platform Assuming that the rumor is true and OpenSolaris will be slain by Oracle, we must conclude that the...
over a year ago
3
over a year ago
Assuming that the rumor is true and OpenSolaris will be slain by Oracle, we must conclude that the Solaris operating system is obsolete. Solaris can be considered legacy. Sun was a hardware shop and to sell their hardware, they needed a great operating system. Sun had a great...
Odds and Ends of...
How I learned to stop worrying and love the military industrial complex Whether Trump wins or loses today, Europe should tool up and prepare to fight.
a month ago
Good Enough
How We Made A Good Enough Zine We made a zine! The first issue was released in August, and I finished the second issue just last...
a year ago
2
a year ago
We made a zine! The first issue was released in August, and I finished the second issue just last week. Right now, a hundred copies are on their way from the printer to me (update: they've just arrived!). Today I'd like to share the story of how this zine came about. (Sorry for...
Notes on software...
Interpreting Go After spending some time at work on tooling for keeping documentation in sync with Go struct...
over a year ago
2
over a year ago
After spending some time at work on tooling for keeping documentation in sync with Go struct definitions I had enough exposure to Go's built-in parsing package that next steps were clear: write an interpreter. It's a great way to get more comfortable with a language's AST. In...
Louwrentius
Creating storage benchmark charts with FIO and GNUplot Edit 2019: I've made a new tool called 'fio-plot'to create various graphs. I use FIO to perform...
over a year ago
2
over a year ago
Edit 2019: I've made a new tool called 'fio-plot'to create various graphs. I use FIO to perform storage IO performance benchmarks. FIO does provide a script called "fio_generate_plots" which generates PNG or JPG based charts based on the data generated by FIO. The charts are...
Louwrentius
Mounting a file system or partition from a disk image You cannot just make a disk copy with dd and then just mount it as a regular disk. You must know...
over a year ago
3
over a year ago
You cannot just make a disk copy with dd and then just mount it as a regular disk. You must know where the partition starts on the disk. So first, you need to get the partition table with sfdisk: sfdisk -l -uS image_file.dd The output is something like: Disk...
Computer Ads from...
Intel's Inboard 386/PC Welcome to the 1990s.
2 months ago
Lars Lofgren
What Happened After I Outed a Reddit Mod for Affiliate Spam I recently broke down how Reddit mods and users are abusing Google search rankings with affiliate...
3 months ago
2
3 months ago
I recently broke down how Reddit mods and users are abusing Google search rankings with affiliate spam. It’s reddit marketing gone awry. The post blew up and got a decent amount of attention. Then I got a front row seat to how deep of a spam filled porta-potty Reddit has become....
Odds and Ends of...
WATCH: Were the US election polls right? My conversation with polling guru Mark Pack
a month ago
Willem's Blog
Dig for dummies Learn how to use the dig command to query domain name servers to find the source of network...
over a year ago
2
over a year ago
Learn how to use the dig command to query domain name servers to find the source of network problems, IP-addresses, hostnames, mail servers and related info.