Jeff Geerling

@jeff_geerling@robot.villas

Linux, hardware, Raspberry Pi, homelabs, automation, and open source.

Source: https://www.jeffgeerling.com/blog.xml

Homepage: https://www.jeffgeerling.com

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Posts

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• I'm starting HomelabFest (in St. Louis, Sep 2027) #Homelab #TechEvents #Community

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  Sep 25, 2026

• Raspberry Pi locks down Pi 5 RAM upgrades in firmware #RaspberryPi #Hardware #Tech

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  Sep 21, 2026

• NTP, an atomic clock, and having a great time at the world's largest VCF #RetroComputing #VintageTech #NTP

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  Sep 18, 2026

• OpenNMC is an open replacement for expensive APC management cards #OpenSource #Hardware #Linux

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  Sep 8, 2026

• Rebuilding a 1995 GPS Time Server so I don't get Telstra'd #Hardware #OpenSource

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  Sep 4, 2026

• Before NTP there were Time and Daytime #Networking #History #Protocols

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  Aug 30, 2026

• Building a mini Homelab that fits in my carry-on #Homelab #Networking #DIY

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  Aug 28, 2026

• Debugging Ubiquiti's 5G Backup on AT&T #Networking #Tech #OpenSource

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  Aug 25, 2026

• Getting the Steam Deck LCD working on a Raspberry Pi #RaspberryPi #Hardware #Tech

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  Aug 20, 2026

• Hands-on with Raspberry Pi's CM5 Programming Jig #RaspberryPi #Hardware #Maker

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  Aug 19, 2026

• I'm excited for Intel after testing the XPS 13 #Tech #Hardware #Intel

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  Aug 7, 2026

• Proxmox officially supports Arm, with some caveats #Proxmox #Virtualization #OpenSource

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  Aug 5, 2026

• Getting 25 Gbps Thunderbolt Ethernet on my Mac Studio #Networking #Hardware #Tech

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  Jul 31, 2026

• Adding a backup Internet WAN on my OPNsense Router #Networking #OpenSource #Homelab

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  Jul 23, 2026

• Open Sauce and GPS time were my summer AI Antiseptics #OpenSource #AI #Hardware

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  Jul 22, 2026

• QuadRF can spot drones and see WiFi through my wall #Hardware #Security #Tech

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  Jul 10, 2026

• The Special Value Pi 4 was extremely short-lived #RaspberryPi #Hardware #Tech

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  Jul 8, 2026

• Quickly apply LUTs (color grading) with ffmpeg #FFmpeg #VideoEditing #ColorGrading

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  Jun 26, 2026

• Framework's 10G Ethernet module exposes USB-C's complexity #Hardware #Networking #USBC

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  Jun 24, 2026

• You can finally power on a Mac remotely #Mac #RemoteAccess #Tech

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  Jun 12, 2026

• I tested every IP KVM in my Homelab #Homelab #Hardware #Networking

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  Jun 5, 2026

• It's hard to justify buying a Framework 12 #Tech #Laptops #OpenSource

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  May 29, 2026

• Tuning in FM Radio on a 3D Printer Heatbed #Hardware #Maker #Radio

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  May 28, 2026

• I patched iozone for better disk benchmarks on modern macOS #OpenSource #Tech #macOS

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  May 27, 2026

• News about Raspberry Pi 6 and Microcontroller Development #RaspberryPi #Microcontrollers #TechNews

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  May 22, 2026

• Wi-Wi Is Wireless Time Sync at 1 nanosecond #Tech #Wireless #TimeSync

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  May 19, 2026

• Bambu Lab is abusing the open source social contract #OpenSource #Community #Ethics

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  May 12, 2026

• HomePod mini feels like magic, but it's just good timing #HomeAutomation #Tech #SmartHome

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  May 8, 2026

• SBC Clusters are a terrible value, but they're fun anyway #OpenSource #Tech #DIY

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  May 1, 2026

• Raspberry Pi Connect may control Windows soon #RaspberryPi #Tech #OpenSource

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  Apr 29, 2026