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.
35 articles from this blog
Review of new RTL8159-based 10 GbE USB adapters that are smaller, cooler, and cheaper than Thunderbolt alternatives, with performance tests on various computers.
Review of an Arm-based mainboard for the Framework 13 laptop, testing the Cix P1 SoC's performance, power efficiency, and software compatibility.
A guide to building a local dial-up ISP using a Raspberry Pi, phone line simulator, and vintage modem for retro computing.
Analysis of how rising DRAM prices are making hobbyist single-board computers (SBCs) too expensive, threatening the market.
Guide to using a Raspberry Pi FireWire HAT to replace MiniDV tape with a portable Memory Recording Unit.
Guide on using FireWire devices with a Raspberry Pi by recompiling the Linux kernel and configuring PCIe DMA support.
A retrospective on the best and most influential Apple laptops, featuring opinions from tech YouTubers and notes on repairability.
A detailed restoration guide for a vintage Apple Xserve G5 server, covering PSU recapping and OS installation.
A hands-on review comparing the new budget MacBook Neo to the M4 MacBook Air, focusing on value, performance, and limitations for tech users.
A guide to building a PTP wall clock using a Raspberry Pi and LED matrices, detailing hardware and software setup for precise network time display.
A guide to building a tiny Macintosh emulator using a Raspberry Pi Pico, VGA display, and custom firmware.
A technical architect explores using local LLMs as junior developers for a blog migration, analyzing their strengths and common pitfalls.
A detailed guide on upgrading a Raspberry Pi-based home surveillance server using the new Exaviz Cruiser CM5 carrier board and a DeskPi mini rack case.
A hands-on review of Hugging Face's Reachy Mini robot, testing its conversational AI features, privacy concerns, and technical setup.
A behind-the-scenes look at the technology and workflow inside a modern SMPTE 2110 broadcast truck during an NHL game production.
A review of the Argon ONE UP, a modular laptop built around the Raspberry Pi Compute Module 5, examining its hardware and value proposition.
A reflection on the reliability and repairability of AA batteries compared to built-in rechargeable batteries in modern tech devices.
A detailed guide on diagnosing and repairing failing capacitors in PreSonus Eris E3.5 studio monitors to restore functionality.
A developer details the technical process of migrating 13,000 blog comments from a Drupal CMS to the Hugo static site generator, using LLMs as coding assistants.
Raspberry Pi's new AI HAT+ 2 adds an NPU and 8GB RAM for local AI/LLM tasks, but testing shows performance and use-case limitations.
