I don't see the need... all of our machines are a bit... limited in who can
log in to be begin with, they are in areas out of reach, and the folks who
DO use them tend to know the root password (myself and one other person
are the prime users, and he and I are sys ads for those boxes). Coupled
with
the fact that the AC in the room has gone flaky (before: Could not get
temperature
in the room above 57 without shutting off the AC unit... now: Can't get
temperature
below 97 without shutting off the unit... flaky AC) we are getting
intermittent
faults on one machine (a PPro) that are causing the eth0 connection to die,
and VCs to die after a few seconds. It's intermittent, and it's heat
related,
but having the ability to reboot by the three fingered salute is a nice
way to get the system back without having to risk the dreaded power pull.
I will keep this in mind once we get to our new quarters, though, because at
that
point, things change....
Bill Ward
-----Original Message-----
From: Robert Glover [mailto:[EMAIL PROTECTED]]
Sent: Wednesday, February 02, 2000 10:45 AM
To: [EMAIL PROTECTED]
Cc: recipient.list.not.shown; @nswcphdn.navy.mil
Subject: Re: anybody can shutdown my system
You can limit who is allowed to use <ctrl><alt><del>. Just edit /etc/inittab
and add the option -a to the shutdown line. Then the three-finger-salute
will cause shutdown to consult /etc/shutdown.allow to see if an authorized
user is logged in at any of the VC's. You may need to type kill -HUP 1 to
get this to take effect after editing inittab.
> Of course, it really doesn't matter much... a user at the console
> can always shut down with the old <ctrl><alt><del> bit (and yes, if
> you haven't done it, it attempts to gracefully reboot).
>
> Bill Ward
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