On 2/27/20 8:01 AM, Tobias Kirchhofer wrote:
Hi,
we experience difficulties with crond behaviour sending mail since CentOS 8.1.
The cron job is the same like we used in CentOS 7.
crontab -l
/usr/bin/python3 -c 'import random; import time; time.sleep(random.random() * 3600)'
&& /usr/local/bin/backup.sh
Agreed on the missing timespec (invalid cron line), but why the mile-long
python rather than the simpler:
sleep $((RANDOM \% 3600))
Recall percent signs (%) in crontabs means put a newline here, so it needs to
be quoted to disable.
Regardless, you say it's not sending mail...that could be silence or say if
/usr/bin/python3 didn't exist, should output an error. did you check your mail
logs?
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