[01:50:34 shaul]# cat /etc/sudoers # sudoers file (/etc/sudoers). # # This file MUST be edited with the 'visudo' command as root. # # See the man page for the details on how to write a sudoers file. #
# Host alias specification # User alias specification ## # Cmnd alias specification ## Cmnd_Alias HALT=/sbin/halt Cmnd_Alias REBOOT=/sbin/shutdown -r "now" Cmnd_Alias SHUTDOWN=/sbin/shutdown -h "now" ## # User privilege specification ## # root can run anything on any machine as any user root ALL=(ALL) ALL # shaul may run these commands: shaul ALL=HALT,REBOOT,SHUTDOWN [01:51:33 shaul]# exit [01:53:38 shaul]$ sudo -l You may run the following commands on this host: (root) /sbin/halt (root) /sbin/shutdown -r "now" (root) /sbin/shutdown -h "now" [01:55:05 shaul]$ sudo rebbot sudo: rebbot: command not found [01:55:14 shaul]$ sudo reboot Sorry, user shaul is not allowed to execute "/sbin/reboot" as root on rakefet. [01:55:21 shaul]$ BTW: My sudo group is empty, if that matter.