Delegation of task: shutdown the system by non-root user

Delegation of task: shutdown the system by non-root user.

When you have to give access to the folks from help desk to only shutdown the system, you can do so by following the procedure below.

1. Create a group/users for that particular group list. [ group=shutgroup, user=nocuser
# groupadd shutgroup
# adduser -G shutgroup nocuser

3. Allow the user and group to execute the shutdown permission by editing the sudoers file.
# vi /etc/sudoers #

adn add the following Line.
%shutgroup ALL=NOPASSWD:/sbin/shutdown

Now, any member of the group shutgroup will be able to shutdown the server.

To execute the command use as follows,
# sudo shutdown -h now