{ pkgs, ... }: {
  virtualisation.libvirtd.enable = true;
  programs.dconf.enable = true;
  environment.systemPackages = with pkgs; [
    virt-manager
    p7zip
    #umlutilities
    qemu
    gnumake
    libguestfs
    python3
  ];
  users.users.chaos.extraGroups = [ "libvirtd" "kvm" ];

}