TLDR
Enter a command. For example: groupdel, pstree, lrunzip, mate screenshot.

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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