Implementation steps of opening and viewing Ubuntu cron logs

ubuntu does not enable cron logging by default

**1. Modify rsyslog **

vim /etc/rsyslog.d/50-default.conf 

cron.*/var/log/cron.log

Remove the comment in front of cron

**2. Restart rsyslog **

service rsyslog restart

3. View crontab log

tail /var/log/cron.log

By default cron will send an email to send the task's running results such as error messages to the system user's mailbox, instead of the specific script running output information in the log, so we can specify the output log path of each task:

02*** db_backup task;>>/var/log/db_backup.log 2>&1

So we can go to the corresponding log file to view the script output.

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