I have a problem with the find cron job inside a debian vserver.
The find cron job runs the updatedb script as follows:
#! /bin/sh
#
# cron script to update the `locatedb' database.
#
# Written by Ian A. Murdock <[EMAIL PROTECTED]> and
# Kevin Dalley <[EMAIL PROTECTED]>
LOCALUSER="nobody"
export LOCALUSER
if [ -f /etc/updatedb.conf ]; then
. /etc/updatedb.conf
fi
if getent passwd $LOCALUSER > /dev/null ; then
cd / && nice -n ${NICE:-10} updatedb 2>/dev/null
# cd / && updatedb 2>/dev/null
else
echo "User $LOCALUSER does not exist."
exit 1
fi
The updatedb script tries to su to the nobody user, but this fails with
the following messages logged in /var/log/auth.log
Mar 10 14:55:02 secure su[26501]: + pts/1 root:nobody
Mar 10 14:55:02 secure su[26501]: (pam_unix) session opened for user
nobody by root(uid=0)
Mar 10 14:55:02 secure su[26501]: pam_open_session: Permission denied
If I comment in the line with the # in the above script (and comment out
the line above), things work fine (i.e. I don't get the
"pam_open_session: Permission denied" logged in the auth.log). So it
seems to be something to do with nice. Note that even if I remove the
"-n ${NICE:-10}" things still don't work.
Would enabling CAP_SYS_NICE help in this case even though a lower
priority is being set? Or is there something else causing this problem?
Cheers,
Russell Kliese
--
<http://www.eminence.com.au/> Eminence Technology Pty Ltd
PO Box 118, Moorooka QLD 4105
Web: www.eminence.com.au <http://www.eminence.com.au/>
Ph: +61-7-3277-4100
Fax: +61-7-3105-7484
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