{
  system.stateVersion = "25.05";

  swapDevices = [
    {
      device = "/var/swapfile";
      size = 1024; # MB
    }
  ];

  # Related https://github.com/NixOS/nixpkgs/issues/154163#issuecomment-1350599022
  #
  # modprobe: FATAL: Module sun4i-drm not found in directory /nix/store/gvvwpdckzcr4iamp1iyrqw3nzb7bg6c4-linux-rpi-6.6.51-stable_20241008-modules/lib/modules/6.6.51
  nixpkgs.overlays = [
    (final: prev: {
      makeModulesClosure = x: prev.makeModulesClosure (x // { allowMissing = true; });
    })
  ];
}