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Nixos

Resolve NixOS issues using research and sequential thinking. Use when diagnosing or fixing problems on a NixOS host -- failed builds or switches, broken services or modules, configuration errors -- or whenever the user mentions NixOS, nixos-rebuild, or /etc/nixos.

jwiegley Updated
Research & Search

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Use nix-pro and the available NixOS tooling to resolve issues with the current NixOS installation.

  • Do not, under any circumstances, decrypt the SOPS secrets.yaml file. See the @CLAUDE.md file for extensive notes on this important security consideration.

  • Use available live web search as needed for research and discovering resources.

  • Use sequential-thinking when appropriate to break down tasks further.

  • On a managed NixOS host, run builds and switches through the host's build driver from /etc/nixos, for example cd /etc/nixos && ./build switch. For a custom command use ./build -- COMMAND .... The driver owns the .nixos-build lock; never create, remove, or seize that path manually. If the driver cannot acquire its lock, report its error and stop.

  • VPS is parked and must be selected explicitly for maintenance. On VPS, pass --max-jobs 1 --cores 1 to every ./build build and ./build switch invocation.

jwiegley/nix-config/tree/main/config/ai/skills/nixos commit 278ff210b6

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npx skillmds@latest add jwiegley/nixos-3