Engineering notes & practical guides
From the terminal
Field notes on web development, DevOps, cloud infrastructure, automation and AI — with commands you can copy straight into your shell.
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Should AI Have an Off Switch? What the ‘Kill Switch’ Debate Means for You
The co-founder of Anthropic says AI companies may one day be forced to keep a switch that turns their systems off. Here is what…
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Java 27: What’s New and How to Install JDK 27
JDK 27 landed on 15 September 2026 with nine JEPs. Here is how to install the GA build side by side and prove each…
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How to Install Hermes Agent by Nous Research
Complete Hermes Agent installation guide: prerequisites, install scripts for Linux/macOS/WSL2/Windows, install layout, configuration, verification and troubleshooting.
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How to Install OpenCode — The Open-Source AI Coding Agent
Complete OpenCode installation guide: install script, npm, Homebrew, Arch, Windows and Docker, plus provider setup, project initialisation, verification and troubleshooting.