update

configuration.nix

@@ -7,10 +7,10 @@
 {
   imports =
     [
-      # Include the results of the hardware scan.
       ./hardware-configuration.nix
     ];
 
+    nix.settings.experimental-features = ["nix-command" "flakes"];
   # Use the systemd-boot EFI boot loader.
   boot.loader = {
     systemd-boot.enable = true;
@@ -40,7 +40,7 @@
   # Enable the X11 windowing system.
   services.xserver = {
     enable = true;
-    displayManager.mate.enable = true;
+    deskopManager.mate.enable = true;
   };
 
   # Configure keymap in X11
@@ -72,6 +72,7 @@
       gimp
       inkscape
       libreoffice
+      onlyoffice-desktopeditors
     ];
   };
 

preservation.nix

@@ -27,9 +27,9 @@
           "Downloads"
           "Desktop"
           "Pictures"
-          ".nixos-config"
+          "nixconf"
         ];
-        #
+
         files = [
 
         ];