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nixos/installation-device: enable polkit

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Polkit enables running 'reboot' and 'poweroff' in the installer without
being root, and non-root is the default login for a few NixOS releases
now.

There's no size increase in the minimal ISO:

  $ git checkout nixpkgs-unstable
  $ nix-build -A config.system.build.isoImage -I nixos-config=nixos/modules/installer/cd-dvd/installation-cd-minimal.nix nixos/default.nix && du -sc ./result/iso/*.iso
  /nix/store/bfvbvrrqjmnqqhyqyxc0w32gagdz2rya-nixos-24.05.git.1149dab64e7-x86_64-linux.iso
  998404  ./result/iso/nixos-24.05.git.1149dab64e7-x86_64-linux.iso
  998404  total

  $ git checkout THIS_COMMIT
  $ nix-build -A config.system.build.isoImage -I nixos-config=nixos/modules/installer/cd-dvd/installation-cd-minimal.nix nixos/default.nix && du -sc ./result/iso/*.iso
  /nix/store/l9x9rwlvfddnri70h1ifx865q0cvka5l-nixos-24.05.git.1149dab64e7-x86_64-linux.iso
  998404  ./result/iso/nixos-24.05.git.1149dab64e7-x86_64-linux.iso
  998404  total
This commit is contained in:
Bjørn Forsman 2024-01-23 16:10:31 +01:00
parent 5f5210aa20
commit dadc54aabe
1 changed files with 3 additions and 0 deletions
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3
nixos/modules/profiles/installation-device.nix
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@ -39,6 +39,9 @@ with lib;
# Allow the user to log in as root without a password. # Allow the user to log in as root without a password.
users.users.root.initialHashedPassword = ""; users.users.root.initialHashedPassword = "";
# Don't require sudo/root to `reboot` or `poweroff`.
security.polkit.enable = true;
# Allow passwordless sudo from nixos user # Allow passwordless sudo from nixos user
security.sudo = { security.sudo = {
enable = mkDefault true; enable = mkDefault true;