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Jeff Geerling

NTP, an atomic clock, and having a great time at the world OpenNMC is an open replacement for expensive APC management cards Rebuilding a 1995 GPS Time Server so I don Before NTP there were Time and Daytime Building a mini Homelab that fits in my carry-on Debugging Ubiquiti Getting the Steam Deck LCD working on a Raspberry Pi Hands-on with Raspberry Pi I Proxmox officially supports Arm, with some caveats Getting 25 Gbps Thunderbolt Ethernet on my Mac Studio Adding a backup Internet WAN on my OPNsense Router Open Sauce and GPS time were my summer AI Antiseptics QuadRF can spot drones and see WiFi through my wall The Special Value Pi 4 was extremely short-lived Quickly apply LUTs (color grading) with ffmpeg Framework You can finally power on a Mac remotely I tested every IP KVM in my Homelab It's hard to justify buying a Framework 12 Tuning in FM Radio on a 3D Printer Heatbed I patched iozone for better disk benchmarks on modern macOS News about Raspberry Pi 6 and Microcontroller Development Wi-Wi Is Wireless Time Sync at 1 nanosecond Bambu Lab is abusing the open source social contract HomePod mini feels like magic, but it's just good timing SBC Clusters are a terrible value, but they're fun anyway Raspberry Pi Connect may control Windows soon New 10 GbE USB adapters are cooler, smaller, cheaper An Arm Mainboard for the Framework Laptop
A PTP Wall Clock is impractical and a little too precise
jeff@jeffgee · 2026-03-06 · via Jeff Geerling
After seeing Oliver Ettlin's 39C3 presentation Excuse me, what precise time is It? , I wanted to replicate th…