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 users.users.{{user}}

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