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.
55 articles from this blog
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.
Analysis of SBC clusters as poor value but fun hobbyist tools, with a review of the DeskPi Super4C board and mini rack hardware.
Raspberry Pi Connect may soon support remote controlling Windows PCs, expanding its free remote access service beyond Raspberry Pi devices.
