Jeff Geerling makes videos, writes books, and shares open source projects about Raspberry Pi, Linux, automation, and the joy of building a homelab.
At 100 nudges, fangea sends Jeff’s team an official invite.
🔒 Star boosts open once Jeff claims this page.
Jeff’s highlights, collected from public sources, plus their backstory and Starbook, where fans write.
Jeff documented replacing the noisy fan in a Calnex rubidium/GPS frequency reference with a Noctua fan, making the clock equipment easier to live with beside a desk.
After a viewer comment put it on their radar, Jeff bought and tested Ubiquiti’s $99 air quality monitor. A teardown revealed the sensor behind its CO2 readings.
Jeff reviewed a Formlabs-supplied resin printer and printed a clear MacPicoModem enclosure. They also spoke with project lead KRALYN about the engineering choices behind the printer.
Jeff tested the Qualcomm-powered single-board computer and compared it with the Raspberry Pi 5. Their write-up covered its expansion options and the hurdles of choosing and installing an operating system.
Jeff announced a gathering for homelab and self-hosting enthusiasts in the St. Louis area, scheduled for September 12–14, 2027. Registration opened alongside the announcement.
How it started.
Jeff’s first web project grew out of their dad’s work in radio: an interface that displayed a station’s current song on its website. Their dad, radio engineer Joe Geerling, also introduced them to electronics.
Writing what they learned.
Alongside a career in web development and infrastructure, Jeff began sharing practical technical knowledge. They completed the first edition of Ansible for DevOps in October 2015 and began publishing Ansible for Kubernetes in progress in 2019.
Finding an audience.
The YouTube channel dates to 2006, but livestreaming in 2020 brought a new wave of viewers. That May, Jeff celebrated 10,000 subscribers by running 10,000 Kubernetes pods. Raspberry Pi projects became a focus, and they moved to full-time YouTube in 2021.
Making it a family project.
After persuading Joe to join them on camera, Jeff launched Geerling Engineering in late 2021. The channel brings their shared interest in radio and engineering to viewers. Jeff’s own projects keep returning to open source tools, practical experiments, and documenting enough detail for others to try things themselves.
It’s like taking down the wall of magic that you thought existed between really cool products and your own abilities.Jeff Geerling, HackSpace interview published by Raspberry Pi, November 10, 2023
On learning how devices work and discovering that you can build things yourself.
Sources: Jeff’s official biography, account directory, callsign, and website history, HackSpace interview: early web project, electronics, Pi clusters, full-time YouTube, and quote, Channel beginnings and the 10,000-subscriber celebration, Completing the first edition of Ansible for DevOps, Publishing Ansible for Kubernetes in progress, Kubernetes 101 series and book announcement, Geerling Engineering: Jeff and Joe’s story, Early website award and Star Wars fan film, Project MINI RACK launch, Raspberry Pi Cluster episode 1 and series chronology, Current books, Public channel statistics supporting the conservative 1M+ following figure.
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Highlights are compiled from public sources and link out to them. Page researched October 28, 2026; data confidence: high. Fan, Star and leaderboard figures are placeholders.
