Не могу остановить gdm

Набираю: sudo /etc/init.d/gdm stopПишет:Rather than invoking init scripts through /etc/init.d, use the service(8 )utility, e.g. service gdm stopSince the script you are attempting to invoke has been converted to anUpstart job, you may also use the stop(8 ) utility, e.g. stop gdmКак следствие - не могу накатить нормальные дрова на видяху.