Updated configuration

hosts/laptop/default.nix

@@ -1,4 +1,4 @@
-{ config, pkgs, ... }:
+{ config, pkgs, inputs, ... }:
 
 {
   imports = [
@@ -15,7 +15,7 @@
     ../../modules/system/cli/docker.nix
 
     # Hardware
-    ../../modules/system/hardware/amd.nix
+    # ../../modules/system/hardware/amd.nix
     ../../modules/system/hardware/bluetooth.nix
     ../../modules/system/hardware/firewall.nix
     ../../modules/system/hardware/garbage-collection.nix
@@ -31,9 +31,16 @@
 
     substituters = [
       "https://nix-community.cachix.org"
+      "https://cosmic.cachix.org/"
+    ];
+
+    trusted-public-keys = [
+      "cosmic.cachix.org-1:Dya9IyXD4xdBehWjrkPv6rtxpmMdRel02smYzA85dPE="
     ];
   };
 
+  # Configure hardware
+
   # Bootloader.
   boot.loader.efi.canTouchEfiVariables = true;
   boot.loader.grub = {
@@ -53,11 +60,21 @@
 
   nix.settings.trusted-users = [ "root" "xeovalyte" ];
 
+  # Enable cosmic desktop eenvironment
+  services.desktopManager.cosmic.enable = true;
+  services.displayManager.cosmic-greeter.enable = true;
+
+  # Prevent system freeze on high load
+  services.earlyoom = {
+    enable = true;
+  };
+
   boot.kernelPackages = pkgs.linuxPackages_latest;
 
   # Configure wacom tablet
   hardware.opentabletdriver = {
     enable = true;
+    package = pkgs.unstable.opentabletdriver;
   };
 
   services.libinput.enable = true;