wallpaper fix

nixos/custom.nix

@@ -1,6 +1,24 @@
 { config, pkgs, lib, ... }:
 
 {
+  services.udev.packages = [ pkgs.yubikey-personalization ];
+
+  programs.gnupg.agent = {
+    enable = true;
+    # enableSSHSupport = true;
+  };
+
+  programs.ssh.startAgent = true;
+
+  services.fprintd.enable = true;
+  # services.fprintd.tod.enable = true;
+  # services.fprintd.enrollPermissions = "uaccess";
+  # security.polkit.enable = true;
+  security.pam.services.sudo.fprintAuth = true;
+  security.pam.services.login.fprintAuth = lib.mkForce true;
+  # security.pam.services.lightdm.fprintAuth =
+  # true; # or gdm/sddm depending on your display manager
+
   # programs.steam = {
   #   enable = true;
   #   remotePlay.openFirewall =
@@ -30,6 +48,8 @@
     system76-scheduler
     tlp
     # lenovo-legion 
+    fprintd
+    # fprintd-clients
   ];
 
   # starting the following units: accounts-daemon.service, systemd-modules-load.service, systemd-tmpfiles-resetup.service, tlp.ser