Very Computer

Hello net gurus!

I just want my linux pc shutting down at midnight, say 01:00 a.m.
automatically. So, I'll have to put an entry in crontab asking for
kill signal. Now, how to auth the the script to su -c root? Like how
the script can signal "init 0" at midnight when I'm sleeping?

TIA

raqueeb hassan
bangladesh

if you use crontab -e while logged on as root, then it is the root
crontab, and will shutdown the machine.

eg
su root
crontab -e

30 0 * * * shutdown -h now

that should do it

Quote:> Hello net gurus!

> I just want my linux pc shutting down at midnight, say 01:00 a.m.
> automatically. So, I'll have to put an entry in crontab asking for
> kill signal. Now, how to auth the the script to su -c root? Like how
> the script can signal "init 0" at midnight when I'm sleeping?

crontab -e
as root and put in the entry
or:
at midnight

Quote:>shutdown
><CTRL+D>

Quote:> Hello net gurus!

> I just want my linux pc shutting down at midnight, say 01:00 a.m.
> automatically. So, I'll have to put an entry in crontab asking for
> kill signal. Now, how to auth the the script to su -c root? Like how
> the script can signal "init 0" at midnight when I'm sleeping?

Simple: Set it in root's crontab. Unless you want it to shutdown every
night at 1AM, then I would use at, though.

--

Thanks all of you for this tweaking. I took all your hints and compiled.

now, what I did is .....

put an entry in /etc/crontab

# shutdown at 05:11 morning.

11 5 * * * root /etc/cron.shut

the content of /etc/cron.shut

#!/bin/sh
/bin/sync
sleep 2
su - root -c '/sbin/shutdown -h now'

its working!

thanks once again.

raqueeb hassan
bangladesh

You don't need the 'su - root -c' part.  If it weren't already
running as root, it would fail.  You can change this line to

/sbin/shutdown -h now

without the su and it will work just as well.

--
Frank Sweetser fs at wpi.edu, fs at suave.net            | $ x 18
Full-time WPI Network Engineer, Part time Linux/Perl guy |
Double *sigh*.  _04 is going onto thousands of CDs even as we speak,
so to speak.

thanks for that.

raqueeb hassan
bangladesh