in /etc/sudoer add following line
    username ALL = NOPASSWD: /sbin/shutdown
also to allow at group level
    %admin  ALL = NOPASSWD: /sbin/shutdown
now one can use shutdown command without sudo password, but shutdown command still needs sudo command like
    sudo shutdown -h now
Posted by Tushar to Tushar's deck (2012-01-19 20:27)