diff --git a/kemptop/configuration.nix b/kemptop/configuration.nix
index 319584c..13c3bdc 100644
--- a/kemptop/configuration.nix
+++ b/kemptop/configuration.nix
@@ -96,7 +96,7 @@
       "adbusers"
       "wireshark"
       "networkmanager"
-      "libvirt"
+      "libvirtd"
     ];
   };
 
@@ -137,6 +137,8 @@
     ffmpeg-full
     ghex
     wireguard-tools
+    diffoscope
+    nix-index
 
     # GUI programs
 
@@ -197,7 +199,7 @@
   services.flatpak.enable = true;
   services.printing.enable = true;
   services.hardware.bolt.enable = true;
-  services.printing.drivers = [ pkgs.hplipWithPlugin ];
+  services.printing.drivers = [ pkgs.hplip ];
   services.avahi = {
     enable = true;
     nssmdns4 = true;
@@ -243,8 +245,10 @@
     enable = true;
     dockerCompat = true;
   };
+  virtualisation.spiceUSBRedirection.enable = true;
   virtualisation.libvirtd.enable = true;
-
+  virtualisation.libvirtd.qemu.vhostUserPackages = [ pkgs.virtiofsd ];
+  
   systemd.user.extraConfig = ''
     DefaultEnvironment="PATH=/run/wrappers/bin:/home/%u/.nix-profile/bin:/nix/profile/bin:/home/%u/.local/state/nix/profile/bin:/etc/profiles/per-user/%u/bin:/nix/var/nix/profiles/default/bin:/run/current-system/sw/bin"
   '';