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tldr/pages/linux/nixos-option.md
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linux/*: add option placeholders (#16192)
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* Update matchpathcon.md

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Co-authored-by: Lena <126529524+acuteenvy@users.noreply.github.com>

* Update pages/linux/arecord.md

Co-authored-by: Lena <126529524+acuteenvy@users.noreply.github.com>

* Update pages/linux/arecord.md

Co-authored-by: Wiktor Perskawiec <git@spageektti.cc>

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Co-authored-by: Lena <126529524+acuteenvy@users.noreply.github.com>
Co-authored-by: Wiktor Perskawiec <git@spageektti.cc>
2025-04-19 21:21:53 +00:00

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# nixos-option
> Inspect a NixOS configuration.
> More information: <https://nixos.org/manual/nixos/stable/index.html#sec-modularity>.
- List all subkeys of a given option key:
`nixos-option {{option_key}}`
- List current boot kernel modules:
`nixos-option boot.kernelModules`
- List authorized keys for a specific user:
`nixos-option users.users.{{username}}.openssh.authorizedKeys.{{keyFiles|keys}}`
- List all remote builders:
`nixos-option nix.buildMachines`
- List all subkeys of a given key on another NixOS configuration:
`NIXOS_CONFIG={{path_to_configuration.nix}} nixos-option {{option_key}}`
- Show recursively all values of a user:
`nixos-option {{[-r|--recursive]}} users.users.{{user}}`