The truth be known, I use /root/tmp for these... but modified the scripts for general use.
Jon ----- Original Message ----- From: "Jeremy P" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Wednesday, February 20, 2002 10:27 AM Subject: Re: [TriLUG] log monitoring (read this: Security ALERT!) > On Wed, 20 Feb 2002, Jon Carnes wrote: > > > Here is a pair of scripts that I run nightly on my main file server. The > > first dumps out a the size of each users home directory and emails me the > > top ten. The second dumps out the size of each departmental volume and > > emails that to me. > > > > === home_du === > > #!/bin/bash > > # List the size of individual users directories on Plasma > > cd /home/users; du >/tmp/du_users > > echo Top 10 Users of space on Plasma: > > echo " " > > tac /tmp/du_users |cut -f1,2 '-d/' |uniq -f1 |sort -n |tail -11 > > echo " " > > # rm /tmp/du_users > > [snip other similar scripts] > > These scripts are NOT safe to run as root. Assuming /tmp is world > writeable, someone could easily compromise your system by symlinking > /tmp/du_users to some file they want to overwrite (like /etc/shadow, > whatever). > > Here's a modification to make this script safe: > > TMPFILE=`/bin/mktemp /tmp/du_users.XXXXXX` || exit 1 > cd /home/users; du > $TMPFILE > echo Top 10 Users of space on Plasma: > echo " " > tac $TMPFILE |cut -f1,2 '-d/' |uniq -f1 |sort -n |tail -11 > echo " " > rm $TMPFILE > > > Hope this helps, > Jeremy > > _______________________________________________ > TriLUG mailing list > http://www.trilug.org/mailman/listinfo/trilug
