Jeremy Henty wrote:
BLFS doesn't include any way to rotate the system logs in /var/log
(unless I've missed something). Any recommended methods?
I use the attached script, I don't recall the origin. It used to be
better, but I have worked on it.
Note: I exclude the redundant kernel messages in sys.log with:
*.*;auth,authpriv,kern.none -/var/log/sys.log
---
David Jensen
#!/bin/bash
# cleanup, version 2
# Run as root, of course.
LOG_DIR=/var/log
ROOT_UID=0 # Only users with $UID 0 have root privileges.
DEF_LINES=50 # Default number of lines saved.
KERN_LINES=300 # Kernel log number of lines saved.
E_XCD=66 # Cannot change directory?
E_NOTROOT=67 # Non-root exit error.
if [ "$UID" -ne "$ROOT_UID" ]
then
echo "Must be root to run this script."
exit $E_NOTROOT
fi
cd $LOG_DIR || {
echo "Cannot change to necessary directory." >&2
exit $E_XCD;
}
trunc_log () {
tail -$1 $2 > mesg.temp # Saves last section of message log file.
mv mesg.temp $2 # Becomes new log.
}
trunc_log $KERN_LINES kern.log # Special case, more lines saved
for name in {sys,auth,daemon,user,scrollkeeper} ; do
trunc_log $DEF_LINES $name.log
done
cat /dev/null > wtmp
cat /dev/null > btmp
cat /dev/null > lastlog
echo "Logs cleaned up."
exit 0
--
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