diff --git a/nixops/common-users.nix b/nixops/common-users.nix
index 58dc514..72fd552 100644
--- a/nixops/common-users.nix
+++ b/nixops/common-users.nix
@@ -3,7 +3,7 @@
 {
   sb = {
     isNormalUser = true;
-    extraGroups = ["wheel" "plugdev" "dialout"];
+    extraGroups = ["wheel" "plugdev" "dialout" "vboxusers"];
     openssh.authorizedKeys.keys = [
       "ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQCyPk5WyFoWSvF4ozehxcVBoZ+UHgrI7VW/OoQfFFwIQe0qvetUZBMZwR2FwkLPAMZV8zz1v4EfncudEkVghy4P+/YVLlDjqDq9zwZnh8Nd/ifu84wmcNWHT2UcqnhjniCdshL8a44memzABnxfLLv+sXhP2x32cJAamo5y6fukr2qLp2jbXzR+3sv3klE0ruUXis/BR1lLqNJEYP8jB6fLn2sLKinnZPfn6DwVOk10mGeQsdME/eGl3phpjhODH9JW5V2V5nJBbC0rBnq+78dyArKVqjPSmIcSy72DEIpTctnMEN1W34BGrnsDd5Xd/DKxKxHKTMCHtZRwLC2X0NWN"
       "ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQCMALVC8RDTHec+PC8y1s3tcpUAODgq6DEzQdHDf/cyvDMfmCaPiMxfIdmkns5lMa03hymIfSmLUF0jFFDc7biRp7uf9AAXNsrTmplHii0l0McuOOZGlSdZM4eL817P7UwJqFMxJyFXDjkubhQiX6kp25Kfuj/zLnupRCaiDvE7ho/xay6Jrv0XLz935TPDwkc7W1asLIvsZLheB+sRz9SMOb9gtrvk5WXZl5JTOFOLu+JaRwQLHL/xdcHJTOod7tqHYfpoC5JHrEwKzbhTOwxZBQBfTQjQktKENQtBxXHTe71rUEWfEZQGg60/BC4BrRmh4qJjlJu3v4VIhC7SSHn1"
@@ -21,7 +21,7 @@
   };
   harry = {
     isNormalUser = true;
-    extraGroups = ["plugdev" "dialout" "wireshark"];
+    extraGroups = ["plugdev" "dialout" "wireshark" "vboxusers"];
     openssh.authorizedKeys.keys = [
       "ecdsa-sha2-nistp384 AAAAE2VjZHNhLXNoYTItbmlzdHAzODQAAAAIbmlzdHAzODQAAABhBDcPNCgtdz8erFPRrAwCr4JrkeYXJUUvoRBgP0X2HlzJgDe1Inuo6sC6CGcO3IXbf4MwVA9XEp8BYPHARVeEHhufg/0wnIABLx2GcK99yxOLDUe4h/3YwtqvOcqHEsDx7w=="
     ];
@@ -36,7 +36,7 @@
   };
   pca006132 = {
     isNormalUser = true;
-    extraGroups = ["plugdev" "dialout" "wireshark"];
+    extraGroups = ["plugdev" "dialout" "wireshark" "vboxusers"];
     openssh.authorizedKeys.keys = [
       "ecdsa-sha2-nistp384 AAAAE2VjZHNhLXNoYTItbmlzdHAzODQAAAAIbmlzdHAzODQAAABhBE/sPOOiw3843+rrcYV2pOVkffNc1xsOgnuCUmy1Fa2VF8x9kqmgQv61sxsuKRkKKoinvqrASxLkWVd6nkiiDuEISibEXs8r1BwuT05cS7RkEhCakSMZ6y/iqOtjt2bx+A=="
       "ssh-rsa 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"
diff --git a/nixops/desktop.nix b/nixops/desktop.nix
index 87bac5c..7f7c09a 100644
--- a/nixops/desktop.nix
+++ b/nixops/desktop.nix
@@ -52,6 +52,7 @@ in
   ];
   programs.wireshark.enable = true;
   programs.wireshark.package = pkgs.wireshark;
+  virtualisation.virtualbox.host.enable = true;
 
   services.openssh.enable = true;
   services.openssh.forwardX11 = true;