Allow users in KVM group to access libvirt management
vim /etc/polkit-1/rules.d/51-libvirt.rules
/etc/polkit-1/rules.d/50-libvirt.rules
/* Allow users in kvm group to manage the libvirt
daemon without authentication */
polkit.addRule(function(action, subject) {
if (action.id == "org.libvirt.unix.manage" &&
subject.isInGroup("kvm")) {
return polkit.Result.YES;
}
});