-[ -d /vservers/$HOSTNAME ] && usage "vserver $HOSTNAME already exists in /vservers"
-[ -d /etc/vservers/.distributions/$DISTRO ] || usage "distro $DISTRO not known in /etc/vservers/.distributions/"
-
-fqdn=$HOSTNAME.$DOMAIN
-## compute IP
-host $fqdn | grep -q 'has address' || usage "hostname $fqdn not known to DNS"
-ip=$(host $fqdn | grep 'has address' | awk '{print $4}')