Hi pal Just do this : 1 - as root, execute "visudo" 2- comment this line "Defaults requiretty" Restart the service :) Cheerios On Wed, Dec 19, 2012 at 3:29 PM, 小盆儿 <zhaopeng1988 at gmail.com> wrote: > nova Stderr: 'sudo: sorry, you must have a tty to run sudo\n' -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.openstack.org/pipermail/openstack/attachments/20121219/e81fa1fc/attachment.html>