Jeff Geerling
Developer, author and YouTuber covering Raspberry Pi, homelab hardware and Ansible automation. Author of Ansible for DevOps.
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Where they publish
jeffgeerling.comSite Blog covering Raspberry Pi, homelab hardware reviews, networking and Ansible.
Recent
- Rebuilding a 1995 GPS Time Server so I don't get Telstra'd 4 Sept 2026
- Before NTP there were Time and Daytime 30 Aug 2026
- Building a mini Homelab that fits in my carry-on 28 Aug 2026
Show 17 more
- Debugging Ubiquiti's 5G Backup on AT&T 25 Aug 2026
- Getting the Steam Deck LCD working on a Raspberry Pi 20 Aug 2026
- Hands-on with Raspberry Pi's CM5 Programming Jig 19 Aug 2026
- I'm excited for Intel after testing the XPS 13 7 Aug 2026
- Proxmox officially supports Arm, with some caveats 5 Aug 2026
- Getting 25 Gbps Thunderbolt Ethernet on my Mac Studio 31 Jul 2026
- Adding a backup Internet WAN on my OPNsense Router 23 Jul 2026
- Open Sauce and GPS time were my summer AI Antiseptics 22 Jul 2026
- QuadRF can spot drones and see WiFi through my wall 10 Jul 2026
- The Special Value Pi 4 was extremely short-lived 8 Jul 2026
- Quickly apply LUTs (color grading) with ffmpeg 26 Jun 2026
- Framework's 10G Ethernet module exposes USB-C's complexity 24 Jun 2026
- You can finally power on a Mac remotely 12 Jun 2026
- I tested every IP KVM in my Homelab 5 Jun 2026
- It's hard to justify buying a Framework 12 29 May 2026
- Tuning in FM Radio on a 3D Printer Heatbed 28 May 2026
- I patched iozone for better disk benchmarks on modern macOS 27 May 2026
Link verified 4 Sept 2026. Recent items update automatically from the channel.
@geerlingguyx.com Short posts about hardware and homelab work.
Recent
- BigMaclock, LilMaclock (Big one is using NTP) 4 Sept 2026
- I restomodded a 1995 GPS Time & Frequency Server, and learned wire wrapping, a little GPS history, and how to avoid the Telstra back-to-2006 bug. Video: 4 Sept 2026
- Wire wrapping is neat. Never tried it before, but now I have and I love it for prototyping! (And no that is not AI-generated, somehow the physics of wire wrapp… 4 Sept 2026
Show 17 more
- A little Mac SE/30 surgery leading up to #VCFMW 21! <2 weeks remaining until VCF Midwest 😬 2 Sept 2026
- Guess what I'm installing in this 1995 GPS Time Server? 31 Aug 2026
- Before NTP there were Time and Daytime: 30 Aug 2026
- I needed a mini mobile homelab setup for VCF Midwest, and I've never used UniFi gear before. Thus I built this tiny homelab network rack, that fits in my carry… 28 Aug 2026
- Even without a total eclipse, tonight's lunar eclipse was a beautiful sight. #stlwx did not let us down, not a cloud in sight! #lunareclipse 📷 Sony A6700 w/ C… 28 Aug 2026
- Go look at the moon! 28 Aug 2026
- Sign you might be jumping the shark: writing a blog post on how your new corporate font adds delightful whimsy to the user experience and eschews illegibility.… 26 Aug 2026
- $35 Air Quality Monitors are too good to be true. I tested and tore one down to show you why: 26 Aug 2026
- Every once in a while a mini rack pops up in the build showcase that makes my jaw drop a bit... this is the first horizontal-layout mini rack that I've seen, a… 25 Aug 2026
- Remember the FireWire HAT for the Raspberry Pi I showed off a few months back? The Crowd Supply campaign is finally LIVE! Got my first dev-batch board in final… 25 Aug 2026
- If you've never been in a Micro Center before... 24 Aug 2026
- Wishing Apple would bring back the Xserve 24 Aug 2026
- Update: I'm free! My silly stoma decided it was okay again after a few hours and pain meds at the hospital. Have some other follow-up issues but they can wait… 23 Aug 2026
- Welp, this trip to Columbus took an unexpected turn. Crohn's/ostomy issues tonight! Might be stuck here a little longer 😭 23 Aug 2026
- I just got back to the hotel and yes, it was great to meet so many people. Plus I found the Maclock in stock, picked one of those up! 22 Aug 2026
- Tomorrow is @microcenter's Columbus OH Grand Re-opening, and they invited me to come. Just stopped in earlier to scope it out. So much better organized for mak… 21 Aug 2026
- Is there any application that updates as frequently as Discord? I thought it was Electron, what are they even doing downloading '10+' updates every time I rela… 21 Aug 2026
Link verified 4 Sept 2026. Recent items update automatically from the channel.
github.com/geerlingguyGitHub Ansible roles, Pi cluster and benchmarking repos.
Recent
- jeffgeerling-com — Drupal Codebase for JeffGeerling.com 4 Sept 2026
- temperature-monitor — Raspberry Pi-based home temperature monitoring network. 4 Sept 2026
- densitron-lcd — Densitron 4022BG-CT 16x2 LCD control with a Raspberry Pi 2 Sept 2026
Show 15 more
- time-pi — Raspberry Pi stratum 1 PTP and NTP timeserver configuration. 31 Aug 2026
- mini-rack — Miniature rack builds, for portable or compact Homelabs. 31 Aug 2026
- youtube — YouTube channel repo. Stuff that doesn't fit elsewhere. 31 Aug 2026
- internet-pi — Raspberry Pi config for all things Internet. 23 Aug 2026
- ansible-role-solr — Ansible Role - Apache Solr 21 Aug 2026
- ansible-role-docker — Ansible Role - Docker 18 Aug 2026
- ansible-role-nginx — Ansible Role - Nginx 10 Aug 2026
- mac-dev-playbook — Mac setup and configuration via Ansible. 4 Aug 2026
- beowulf-ai-cluster — AI Cluster deployed with Ansible on Random computers with random capabilities 4 Aug 2026
- top500-benchmark — Automated Top500 benchmark for clusters or single nodes. 4 Aug 2026
- ansible-role-kibana — Ansible Role - Kibana 4 Aug 2026
- sbc-reviews — Jeff Geerling's SBC review data - Raspberry Pi, Radxa, Orange Pi, etc. 4 Aug 2026
- ansible-role-mysql — Ansible Role - MySQL 31 Jul 2026
- ansible-role-swap — Ansible Role - Swap 31 Jul 2026
- ansible-role-certbot — Ansible Role - Certbot (for Let's Encrypt) 29 Jul 2026
Link verified 4 Sept 2026. Recent items update automatically from the channel.
Recommends rcmnd
What they recommendrcmnd 9 things — each backed by an exact quote.
Compiled by rcmnd.app, not by them: the quotes are theirs, and each links to the post it was copied from.
Recent
DezKVM-Go Liked
If this were $200 I'd complain, but not for $25. For that, it's a neat little box that maybe more people could contribute to, to make it the most handy way to jack in from a crash cart.
jeffgeerling.com 2026-06-05
sponsored
BliKVM Mixed on
Starting over over $200 for a cheaper Allwinner version, they're outclassed by newer KVMs.
jeffgeerling.com 2026-06-05
sponsored
Sipeed NanoKVM Pro Liked
Show 6 more
Sipeed NanoKVM Cube Liked
But I still like the Cube, if for no other reason than it showed manufacturers you could build tiny IP KVMs under $100.
jeffgeerling.com 2026-06-05
sponsored
JetKVM Uses
The KVM I use the most around the Studio is the JetKVM. It's tiny, bus-powered, and simple. And most of the time, that's all I need.
jeffgeerling.com 2026-06-05
sponsored
PiKVM Recommends
My Dad and I tested all the PiKVM models, and I like everything but the price. I 100% recommend them, especially since you're directly supporting the folks who wrote the software.
jeffgeerling.com 2026-06-05
sponsored
Framework Laptop 13 Recommends
For now, I think Framework's 13" lineup is more compelling if you favor repairability/upgradeability and top-tier Linux support.
jeffgeerling.com 2026-05-29
MacBook Neo Liked
I had already put both laptops through my benchmark gauntlet, which revealed one theme: the Mac is faster (in most cases), more efficient, quieter, built better, has a much nicer display, and costs much less.
jeffgeerling.com 2026-05-29
Framework Laptop 12 Mixed on
the Framework 12 isn't a bad laptop
jeffgeerling.com 2026-05-29
Latest
Full feed →Everything, newest firstFeed Posts and repos from the cards above, in one stream.
Filter & sortAll sources · condensed
- BigMaclock, LilMaclock (Big one is using NTP) 4 Sept
- jeffgeerling-com — Drupal Codebase for JeffGeerling.com 4 Sept
- I restomodded a 1995 GPS Time & Frequency Server, and learned wire wrapping, a little GPS history, and how to avoid the Telstra back-to-2006 bug. Video: 4 Sept
- Rebuilding a 1995 GPS Time Server so I don't get Telstra'd 4 Sept
- temperature-monitor — Raspberry Pi-based home temperature monitoring network. 4 Sept
- Wire wrapping is neat. Never tried it before, but now I have and I love it for prototyping! (And no that is not AI-generated, somehow the physics of wire wrapp… 4 Sept
Show 39 more
- densitron-lcd — Densitron 4022BG-CT 16x2 LCD control with a Raspberry Pi 2 Sept
- A little Mac SE/30 surgery leading up to #VCFMW 21! <2 weeks remaining until VCF Midwest 😬 2 Sept
- time-pi — Raspberry Pi stratum 1 PTP and NTP timeserver configuration. 31 Aug
- Guess what I'm installing in this 1995 GPS Time Server? 31 Aug
- mini-rack — Miniature rack builds, for portable or compact Homelabs. 31 Aug
- youtube — YouTube channel repo. Stuff that doesn't fit elsewhere. 31 Aug
- Before NTP there were Time and Daytime: 30 Aug
- Before NTP there were Time and Daytime 30 Aug
- I needed a mini mobile homelab setup for VCF Midwest, and I've never used UniFi gear before. Thus I built this tiny homelab network rack, that fits in my carry… 28 Aug
- Building a mini Homelab that fits in my carry-on 28 Aug
- Even without a total eclipse, tonight's lunar eclipse was a beautiful sight. #stlwx did not let us down, not a cloud in sight! #lunareclipse 📷 Sony A6700 w/ C… 28 Aug
- Go look at the moon! 28 Aug
- Sign you might be jumping the shark: writing a blog post on how your new corporate font adds delightful whimsy to the user experience and eschews illegibility.… 26 Aug
- $35 Air Quality Monitors are too good to be true. I tested and tore one down to show you why: 26 Aug
- Every once in a while a mini rack pops up in the build showcase that makes my jaw drop a bit... this is the first horizontal-layout mini rack that I've seen, a… 25 Aug
- Debugging Ubiquiti's 5G Backup on AT&T 25 Aug
- Remember the FireWire HAT for the Raspberry Pi I showed off a few months back? The Crowd Supply campaign is finally LIVE! Got my first dev-batch board in final… 25 Aug
- If you've never been in a Micro Center before... 24 Aug
- Wishing Apple would bring back the Xserve 24 Aug Quoting@hsuchingpo苹果M5服务器 #apple
- internet-pi — Raspberry Pi config for all things Internet. 23 Aug
- ansible-role-solr — Ansible Role - Apache Solr 21 Aug
- Getting the Steam Deck LCD working on a Raspberry Pi 20 Aug
- Hands-on with Raspberry Pi's CM5 Programming Jig 19 Aug
- ansible-role-docker — Ansible Role - Docker 18 Aug
- ansible-role-nginx — Ansible Role - Nginx 10 Aug
- I'm excited for Intel after testing the XPS 13 7 Aug
- Proxmox officially supports Arm, with some caveats 5 Aug
- mac-dev-playbook — Mac setup and configuration via Ansible. 4 Aug
- beowulf-ai-cluster — AI Cluster deployed with Ansible on Random computers with random capabilities 4 Aug
- top500-benchmark — Automated Top500 benchmark for clusters or single nodes. 4 Aug
- ansible-role-kibana — Ansible Role - Kibana 4 Aug
- sbc-reviews — Jeff Geerling's SBC review data - Raspberry Pi, Radxa, Orange Pi, etc. 4 Aug
- Getting 25 Gbps Thunderbolt Ethernet on my Mac Studio 31 Jul
- Adding a backup Internet WAN on my OPNsense Router 23 Jul
- Open Sauce and GPS time were my summer AI Antiseptics 22 Jul
- QuadRF can spot drones and see WiFi through my wall 10 Jul
- The Special Value Pi 4 was extremely short-lived 8 Jul
- Quickly apply LUTs (color grading) with ffmpeg 26 Jun
- Framework's 10G Ethernet module exposes USB-C's complexity 24 Jun