[Mimedefang] Slightly OT: System shutdown by non-privledged user
Jon R. Kibler
Jon.Kibler at aset.com
Tue Apr 20 10:53:50 EDT 2004
WBrown at e1b.org wrote:
> I need to develop a procedure to allow a non-priveledged user (computer
> room operator) to shut down my mail filter systems in case of power
> failure and the large room UPS running out of power.
What hardware & O/S are you using? For example, on Sun w/ Solaris 8 or
later, just hitting the power switch can allow a non-root user to do
a controlled shutdown. Check the man page for your /etc/inittab and
see if it has a POWERFAIL action. In Solaris 9, a POWERFAIL simply
does a: /usr/sbin/shutdown -g0 -i5 -y
Don't remember how, but I think you can limit what users can generate
a POWERFAIL.
Another option, if you are using PAM, you can use RBAC to assign a
priviliged function to a given group of ordinary users.
Just a couple of ideas.
Jon Kibler
A.S.E.T., Inc.
Charleston, SC USA
(843) 849-8214
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