{ pkgs, lib, ... }: { systemd.services.enable-screen = { description = "disable screen"; enable = true; serviceConfig = { Type = "oneshot"; ExecStart = "${pkgs.coreutils}/bin/cp /sys/class/backlight/intel_backlight/max_brightness /sys/class/backlight/intel_backlight/brightness"; }; }; systemd.services.disable-screen = { description = "disable screen"; enable = true; wantedBy = [ "multi-user.target" ]; serviceConfig = { Type = "oneshot"; ExecStart = "${lib.getExe pkgs.bash} -c '${pkgs.coreutils}/bin/echo 0 > /sys/class/backlight/intel_backlight/brightness'"; }; }; }