Update laptop config

hosts/alpheratz/system.nix

@@ -33,6 +33,13 @@
 
     environment.systemPackages = [ localPackages.x86_64-linux.jhelioviewer ];
 
+    services.printing.enable = true;
+    services.avahi = {
+        enable = true;
+        nssmdns4 = true;
+        openFirewall = true;
+    };
+
     # Use the systemd-boot EFI boot loader.
     boot.loader.systemd-boot.enable = true;
     boot.loader.systemd-boot.xbootldrMountPoint = "/boot";

hosts/ankaa/system.nix

@@ -19,6 +19,7 @@
     environment.systemPackages = with pkgs; [
         localPackages.x86_64-linux.jhelioviewer
         lemurs
+        pciutils
     ];
 
     services.hardware.openrgb.enable = true;
@@ -35,6 +36,8 @@
     boot.loader.systemd-boot.enable = true;
     boot.loader.efi.canTouchEfiVariables = true;
 
+    boot.kernelPackages = pkgs.linuxPackages_6_1;
+
     fileSystems = {
         "/".options = [ "compress=zstd" ];
         "/home".options = [ "compress=zstd" ];