{ config, pkgs, username, ... }: { virtualisation.libvirtd.enable = true; programs.virt-manager.enable = true; users.users.${username}.extraGroups = [ "libvirtd" ]; environment.systemPackages = with pkgs; [ virt-manager qemu mkcert ]; networking.extraHosts = '' 192.168.122.232 home.arpa ''; }