Jeff Geerling

UPSes are typically the most boring part of your homelab, but they're important.

In June I purchased this TrueTime XL-AK time server, so I could learn more of the history of GPS-based time.

In building an NTP time demo on old Macs for VCF Midwest, I came across RFC 867 and RFC 868, for the 'Daytime' and 'Time' Protocols, respectively.

I'm traveling to Chicago for VCF Midwest next month.

For a mobile 'mini homelab' project I'm working on, I wanted to use 5G Internet as a primary 'on-to-go' connection, but still have the ability to plug in another Internet connection when I put the mobile rack I'm building in a fixed location.

The BOE TV070WXM-TV0 LCD used in the original Steam Deck can be had for around $30.

In the before-times, when Raspberry Pi CM5s were (relatively) affordable, I built a number of Pi clusters (example), and one of the most annoying parts of the build was flashing Raspberry Pi OS to all the Pis.

Shortly after Apple launched the budget MacBook Neo, Dell announced their response, a new low-end XPS 13.

Proxmox today announced their Proxmox Virtual Environment is now available for 64-bit ARM.

I've been using the built-in 10 Gigabit Ethernet on my Mac Studio for a few years.

AKA "Spectrum has gone down two weeks in a row and I'm sick of it".

In the midst of our AI slop revolution, traveling to the West coast for Open Sauce this past weekend was the perfect antiseptic for rising costs, summer heat, and online divisiveness.

The QuadRF (pictured above) a phased-array radio built around a Raspberry Pi 5 and an FPGA board with picosecond-level timing.

The 'Special Value' Pi 4 pictured above is probably the rarest Raspberry Pi I own—even rarer than my blue special edition Pi.

This is a quick post, mostly for my own reference.

I've been following WisdPi's development of various 5 Gbps and 10 Gbps Ethernet adapters for the past couple years.

Apple FINALLY lets you turn on your Mac remotely, without having to press the power button.

Since the PiKVM came out in 2017, there's been an explosion of IP KVMs.

My nephew just graduated high school, and wants a laptop.

Pooch from Repkord dropped by my studio while he was in St.