Jeff Geerling
Jeff Geerling is a developer, author, and tech creator who shares hands-on experiments with Raspberry Pi, Linux, open source software, and homelabs.
At 100 nudges, fangea sends Jeff’s team an official invite.
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Latest
Jeff’s happenings, collected from public sources, plus their backstory and Starbook, where fans write.
Known for
Open source
Book
Book
BookOverview
- Work
- Tech creator, author, developer, and maker
- Home base
- St. Louis, Missouri
- Online name
- geerlingguy
- Breakout
- A 2020 Turing Pi cluster series helped turn YouTube into a focus of his work.
Mini bio
How it started.
Jeff’s interest in computers grew around the radio stations where his dad was chief engineer. He saw servers and workstations up close, and his dad brought home retired servers and Linux CDs. Before high school, Jeff was already working with Linux and small networks; building a wired network for a local grade school helped that interest grow.
Writing what he learned.
Before YouTube became his main focus, Jeff worked in software and infrastructure. He published Ansible for DevOps in 2015, drawing on projects such as Drupal VM and the Raspberry Pi Dramble. Ansible for Kubernetes followed in 2019, and he turned his Kubernetes 101 livestream series into a book in 2021.
The channel takes off.
In his 2021 retrospective, Jeff traced his renewed focus on YouTube to the growth of his 2020 Turing Pi Raspberry Pi cluster series. In early 2021, income from books and the channel, together with support from Patreon and GitHub sponsors, let him leave his last paid consulting gig. His channel grew from just under 100,000 subscribers to 253,000 during 2021.
Building alongside the community.
Jeff keeps sharing the practical details behind his experiments, from Linux setup notes to hardware teardowns. In January 2025 he launched Project MINI RACK, an open source resource for compact 10-inch equipment racks. In September 2026 he announced HomelabFest, bringing that interest in community projects toward an in-person gathering.
Creditschronological, newest first
Projects
- 2025Project MINI RACKCreator
Books
- 2021Kubernetes 101Author
- 2019Ansible for KubernetesAuthor
- 2015Ansible for DevOpsAuthor
Quotes
Version 1 sucks, but ship it anyway.Jeff Geerling, “Ansible for Kubernetes, my second self-published book”
On publishing early and learning from readers: https://www.jeffgeerling.com/blog/2019/ansible-kubernetes-my-second-self-published-book/
Trivia
- His amateur radio callsign is KF0MYB.
- Red Shirt Jeff gets a special compilation in his 2021 channel retrospective.
- His website has moved from Xanga to Thingamablog, Drupal, and then Hugo.
Find Jeff
Follow Jeff’s latest builds, tests, and notes.
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