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Jeff Geerling

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Rebuilding a 1995 GPS Time Server so I don't get Telstra'd In June I purchased this TrueTime XL-AK time server, so I could learn more of the history of...
2 weeks ago
1

Rebuilding a 1995 GPS Time Server so I don't get Telstra'd

from Jeff Geerling [alt+shift+b] in technology

2 weeks ago
In June I purchased this TrueTime XL-AK time server, so I could learn more of the history of GPS-based time. I received it on June 22, and just 16 days later a similar GPS time server took down Australia's cell service for 12 hours! I made a short video about it but put off...
Proxmox officially supports Arm, with some caveats Proxmox today announced their Proxmox Virtual Environment is now available for 64-bit ARM. I tested...
5th Aug 2026
1

Proxmox officially supports Arm, with some caveats

from Jeff Geerling [alt+shift+b] in technology

5th Aug 2026
Proxmox today announced their Proxmox Virtual Environment is now available for 64-bit ARM. I tested it on my Ampere Altra Dev Platform—the same machine on which I've booted Windows on Arm the first time, messed with multiple GPUs, and most recently tested Houdini's native arm64...
I tested every IP KVM in my Homelab Since the PiKVM came out in 2017, there's been an explosion of IP KVMs. I've tested almost every...
5th Jun 2026
1

I tested every IP KVM in my Homelab

from Jeff Geerling [alt+shift+b] in technology

5th Jun 2026
Since the PiKVM came out in 2017, there's been an explosion of IP KVMs. I've tested almost every one. But what are they good for? You can use Remote Desktop, Screen Sharing, or VNC to remote control a computer from anywhere on a LAN. And if you don't have a private VPN, you could...
SBC Clusters are a terrible value, but they're fun anyway Pictured above is the new DeskPi Super4C installed in an 8U mini rack. The Super4C is a 4-node...
1st May 2026
1

SBC Clusters are a terrible value, but they're fun anyway

from Jeff Geerling [alt+shift+b] in technology

1st May 2026
Pictured above is the new DeskPi Super4C installed in an 8U mini rack. The Super4C is a 4-node Raspberry Pi CM5 cluster board that solves two pain points I had with the older Super6C. I was testing this board around the same time I helped kick off the SBCC 2026, the Single Board...
DRAM pricing is killing the hobbyist SBC market Today Raspberry Pi announced more price increases for all Pis with LPDDR4 RAM, alongside a...
1st Apr 2026
1

DRAM pricing is killing the hobbyist SBC market

from Jeff Geerling [alt+shift+b] in technology

1st Apr 2026
Today Raspberry Pi announced more price increases for all Pis with LPDDR4 RAM, alongside a 'right-sized' 3GB RAM Pi 4 for $83.75. The price increases bring the 16GB Pi 5 up to $299.99. Despite today's date, this is not a joke. I published a video going over the state of the...
Expert Beginners and Lone Wolves will dominate this early LLM era After migrating this blog from a static site generator into Drupal in 2009, I noted: As a sad...
1st Mar 2026
2

Expert Beginners and Lone Wolves will dominate this early LLM era

from Jeff Geerling [alt+shift+b] in technology

1st Mar 2026
After migrating this blog from a static site generator into Drupal in 2009, I noted: As a sad side-effect, all the blog comments are gone. Forever. Wiped out. But have no fear, we can start new discussions on many new posts! I archived all the comments from the old 'Thingamablog'...
The first good Raspberry Pi Laptop Ever since the Raspberry Pi Compute Module 5 was introduced, I wondered why nobody built a decent...
6th Feb 2026
1

The first good Raspberry Pi Laptop

from Jeff Geerling [alt+shift+b] in technology

6th Feb 2026
Ever since the Raspberry Pi Compute Module 5 was introduced, I wondered why nobody built a decent laptop chassis around it. You could swap out a low spec CM5 for a higher spec, and get an instant computer upgrade. Or, assuming a CM6 comes out someday in the same form factor,...
Testing the Mono Gateway, a custom-built 10 Gbps Router Testing the Mono Gateway, a custom-built 10 Gbps Router Last month, the stars aligned...
2nd Jan 2026
1

Testing the Mono Gateway, a custom-built 10 Gbps Router

from Jeff Geerling [alt+shift+b] in technology

2nd Jan 2026
Testing the Mono Gateway, a custom-built 10 Gbps Router Last month, the stars aligned for me to bring the Mono Gateway (a 10 Gbps router that YouTuber Tomaž Zaman and his team at Mono built from scratch) on a trip to Phoenix, and test it with one of the most OP...
Why doesn't Apple make a standalone Touch ID? Why doesn't Apple make a standalone Touch ID? I finally upgraded to a mechanical...
3rd Dec 2025
1

Why doesn't Apple make a standalone Touch ID?

from Jeff Geerling [alt+shift+b] in technology

3rd Dec 2025
Why doesn't Apple make a standalone Touch ID? I finally upgraded to a mechanical keyboard. But because Apple's so protective of their Touch ID hardware, there aren't any mechanical keyboards with that feature built in. But there is a way to hack it. It's incredibly...
It's not that hard to stop a Trane It's not that hard to stop a Trane Six years ago, I replaced the old HVAC system that...
4th Nov 2025
1

It's not that hard to stop a Trane

from Jeff Geerling [alt+shift+b] in technology

4th Nov 2025
It's not that hard to stop a Trane Six years ago, I replaced the old HVAC system that came with our house, a central forced air system installed in 19951. The new system is a Trane XR AC paired with an S9V2 96% efficiency forced-air gas furnace. And it ran great!...
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