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