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🦜 Jeff Geerling

@www.jeffgeerling.com@rss-parrot.net

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Recent content on Jeff Geerling

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Site URL: www.jeffgeerling.com/

Feed URL: www.jeffgeerling.com/blog.xml

Posts: 20

Followers: 1

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

https://www.jeffgeerling.com/blog/2026/deskpi-super4c-sbc-cluster/

Published: May 1, 2026 14:00

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…

New 10 GbE USB adapters are cooler, smaller, cheaper

https://www.jeffgeerling.com/blog/2026/new-10-gbe-usb-adapters-cooler-smaller-cheaper/

Published: April 24, 2026 14:00

For years, the best way to get 10 gigabit networking on laptops was to buy an expensive, large, and hot 10 GbE Thunderbolt adapter. With new RTL8159-based 10G USB 3.2 adapters coming onto the market, the bulky adapters might be a thing of the past. Just…

An Arm Mainboard for the Framework Laptop

https://www.jeffgeerling.com/blog/2026/arm-mainboard-for-framework-laptop/

Published: April 15, 2026 14:49

Using the repair-friendly Framework 13 laptop chassis, I've tested the low-end x86 option (a Ryzen AI 5 340 Mainboard), the fastest RISC-V option (DC-ROMA II), and today I'm publishing results from the only Arm Mainboard, the MetaComputing AI PC, which has…

Bring back MiniDV with this Raspberry Pi FireWire HAT

https://www.jeffgeerling.com/blog/2026/minidv-with-raspberry-pi-firewire-hat/

Published: March 27, 2026 14:00

In my last post, I showed you to use FireWire on a Raspberry Pi with a PCI Express IEEE 1394 adapter. Now I'll show you how I'm using a new FireWire HAT and a PiSugar3 Plus battery to make a portable MRU, or 'Memory Recording Unit', to replace tape in…

Using FireWire on a Raspberry Pi

https://www.jeffgeerling.com/blog/2026/firewire-on-a-raspberry-pi/

Published: March 24, 2026 16:00

After learning Apple killed off FireWire (IEEE 1394) support in macOS 26 Tahoe, I started looking at alternatives for old FireWire equipment like hard drives, DV cameras, and A/V gear. I own an old Canon GL1 camera, with a 'DV' port. I could plug that…

The best laptop Apple ever made

https://www.jeffgeerling.com/blog/2026/best-laptop-apple-ever-made/

Published: March 20, 2026 14:00

Today I posted a video titled The best laptop Apple ever made, and tl;dw1 it's the 11" MacBook Air. I acknowledge in the video my pick is slightly subjective, and I also asked a number of other YouTubers which Mac laptop they consider the best (or at…

Restoring an Xserve G5: When Apple built real servers

https://www.jeffgeerling.com/blog/2026/restoring-xserve-g5-apple-server/

Published: March 13, 2026 14:00

Recently I came into posession of a few Apple Xserves. The one in question today is an Xserve G5, RackMac3,1, which was built when Apple at the top—and bottom—of it's PowerPC era. This isn't the first Xserve—that honor belongs to the G41. And it wasn't…

Can the MacBook Neo replace my M4 Air?

https://www.jeffgeerling.com/blog/2026/macbook-neo-replace-m4-air/

Published: March 12, 2026 17:50

Many of us wonder if the MacBook Neo is 'the one'. Because I have a faster desktop (currently a M4 Max Mac Studio), I've always used a lower-end Mac laptop, like the iBook or MacBook Air, for travel. I've used MacBook Pros in the past, but I like the…

A PTP Wall Clock is impractical and a little too precise

https://www.jeffgeerling.com/blog/2026/ptp-wall-clock-impractical-too-precise/

Published: March 6, 2026 15:00

After seeing Oliver Ettlin's 39C3 presentation Excuse me, what precise time is It?, I wanted to replicate the PTP (Precision Time Protocol) clock he used live to demonstrate PTP clock sync: I pinged him on LinkedIn inquiring about the build (I wasn't…

I built a pint-sized Macintosh

https://www.jeffgeerling.com/blog/2026/pint-sized-macintosh-pico-micro-mac/

Published: March 2, 2026 21:15

To kick off MARCHintosh, I built this tiny pint-sized Macintosh with a Raspberry Pi Pico: This is not my own doing—I just assembled the parts to run Matt Evans' Pico Micro Mac firmware on a Raspberry Pi Pico (with an RP2040). The version I built outputs…

Expert Beginners and Lone Wolves will dominate this early LLM era

https://www.jeffgeerling.com/blog/2026/expert-beginners-and-lone-wolves-dominate-llm-era/

Published: March 1, 2026 22:00

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…

How to Securely Erase an old Hard Drive on macOS Tahoe

https://www.jeffgeerling.com/blog/2026/securely-erase-hard-drive-macos-tahoe/

Published: February 26, 2026 20:30

Apparently Apple thinks nobody with a modern Mac uses spinning rust (hard drives with platters) anymore. I plugged in a hard drive from an old iMac into my Mac Studio using my Sabrent USB to SATA Hard Drive enclosure, and opened up Disk Utility, clicked on…

AI is destroying Open Source, and it's not even good yet

https://www.jeffgeerling.com/blog/2026/ai-is-destroying-open-source/

Published: February 16, 2026 21:30

Over the weekend Ars Technica retracted an article because the AI a writer used hallucinated quotes from an open source library maintainer. The irony here is the maintainer in question, Scott Shambaugh, was harassed by someone's AI agent over not merging…

Testing Reachy Mini - Hugging Face's Pi powered robot

https://www.jeffgeerling.com/blog/2026/testing-reachy-mini-hugging-face-robot/

Published: February 13, 2026 15:00

When I saw Jensen Huang introduce the Reachy Mini at CES, I thought it was a gimmick. His keynote showed this little robot responding to human input, turning its head to look at a TODO list on the wall, sending emails, and turning drawings into…