all.
Weird errors when trying to run cron on a Deb10 instance. Root is the only user that succeeds in cron. I've tested a simple called to logger and a script that sends an email. No errors running any of the scripts by hand, but just see 2 errors in syslog:
Oct 15 13:38:01 reports cron[8897]: Permission denied
Oct 15 13:38:01 reports CRON[9103]: Permission denied
Oct 15 13:38:01 reports cron[8897]: Permission denied
Oct 15 13:38:01 reports CRON[9102]: Permission denied
8897 is the pid of the main cron process launched by system.
This host was spun up along with 3 or 4 more, all which have no problems with cron. This one was renamed and IP changed recently, but that's the only diff between the others. Both /etc/hosts and /etc/hostname reflect correctly, and even though I don't believe ssl certs are referenced for cron, they're set fine. The same test cron job runs on the others no problems.
Permissions on /var/spool/cron/crontabs is the same among all hosts, as is /var/log.
I cannot for the life of me see just what permission is being denied. I did an strace on the cron process and everything looked fine.
Any ideas on what would prevent user cron and only allow root? This is the biggest clue I have so far.
Sample data
mcarter@reports:~$ crontab -l
# Edit this file to introduce tasks to be run by cron.
#
# Each task to run has to be defined through a single line
# indicating with different fields when the task will be run
# and what command to run for the task
#
# To define the time you can provide concrete values for
# minute (m), hour (h), day of month (dom), month (mon),
# and day of week (dow) or use '*' in these fields (for 'any').
#
# Notice that tasks will be started based on the cron's system
# daemon's notion of time and timezones.
#
# Output of the crontab jobs (including errors) is sent through
# email to the user the crontab file belongs to (unless redirected).
#
# For example, you can run a backup of all your user accounts
# at 5 a.m every week with:
# 0 5 * * 1 tar -zcf /var/backups/home.tgz /home/
#
# For more information see the manual pages of crontab(5) and cron(8)
#
# m h dom mon dow command
*/1 * * * * /home/mcarter/test.sh >/dev/null 2>&1
mcarter@reports:~$ cat test.sh
#!/bin/bash
echo Testing | mailx [email protected] -s "Cron test"
logger Cron test
