Jeff Geerling is a developer, author, and open-source advocate focused on Linux, Ansible, cloud infrastructure, and maker projects, widely known for his educational writing and popular YouTube channel.
57 articles from this blog
A Linux kernel driver and open-source HAT enable the Steam Deck LCD to work with Raspberry Pi 5/CM4, offering a high-res, low-cost touchscreen alternative.
Hands-on review of Raspberry Pi's CM5 Programming Jig for flashing Compute Modules, including setup, pi-gen usage, and comparison with Everypin's jig.
Review of Dell XPS 13 with Intel Core 5 320, highlighting efficiency and performance compared to MacBook Neo.
Proxmox VE now officially supports 64-bit ARM, with best-effort support on other UEFI-based hardware, tested on Ampere Altra.
A Mac Studio user upgrades to 25 Gbps Thunderbolt Ethernet using a cheap OCP 2 NIC adapter, overcoming heat issues with active cooling.
Adding a backup Internet WAN on my OPNsense RouterJul 23, 2026AKA "Spectrum has gone down two weeks in a row and I'm sick of it".I've been borrowing a
A tech blogger builds a GPS time badge using AI, discussing Open Sauce, GPS accuracy, and AI-assisted coding.
QuadRF is a phased-array radio using Raspberry Pi 5 and FPGA to detect drones and see WiFi through walls, with open-source software for RF analysis.
A rare Raspberry Pi 4 'value edition' is reviewed, revealing its lower clock speed, higher price, and performance quirks.
A quick tutorial on applying LUT color grading to video footage using ffmpeg, with batch conversion examples.
Review of Framework's 10G Ethernet module, highlighting USB-C bandwidth limitations and thermal issues.
Apple's macOS 26.5 finally lets you power on a Mac remotely without pressing the power button, ending a 30-year gap with PCs.
A comprehensive review of various IP KVM devices tested in a homelab, covering features, prices, and security concerns.
Comparison of Framework 12 vs MacBook Neo for a student, highlighting performance, price, and value.
Experiment testing if a 3D printer heatbed can function as an FM radio antenna using a NanoVNA.
A developer patches iozone for disk benchmarking on modern macOS, including Apple Silicon support.
Raspberry Pi engineers discuss Pi 6 timeline, Zero 2W shortages, and microcontroller development in an AMA.
Wi-Wi STAMP wireless time sync protocol achieves nanosecond accuracy using 900 MHz band, demonstrated at NAB 2026.
Bambu Lab faces backlash for threatening a fork of their open source software, OrcaSlicer, over cloud connectivity, sparking debate on open source rights.
A technical deep dive into how Apple's HomePod mini stereo pairing works, including setup frustrations and Wireshark network analysis.
