update

configuration.nix

@@ -110,6 +110,47 @@
     NIXOS_OZONE_WL = "1";
   };
 
+  environment.etc = {
+    "greetd/niri.kdl" = {
+      text = ''
+        hotkey-overlay {
+          skip-at-startup
+      }
+
+      environment {
+          DMS_RUN_GREETER "1"
+      }
+
+      gestures {
+        hot-corners {
+          off
+        }
+      }
+
+      layout {
+        background-color "#000000"
+      }
+      '';
+
+      # The UNIX file mode bits
+      mode = "0644";
+    };
+    "greetd/config.toml" = {
+      text = ''
+        [terminal]
+        vt = 1
+
+        [default_session]
+        user = "greeter"
+        command = "dms-greeter --command niri -C /etc/greetd/niri.kdl"
+        ### Uncomment the below line to run the greeter on Hyprland
+        # command = "dms-greeter --command Hyprland"
+        ### Uncomment to run the greeter on sway
+        # command = "dms-greeter --command sway"
+      '';
+      mode = "0644";
+    };
+  };
 
   nix.settings.experimental-features = [ "nix-command" "flakes" ];