cronjob

 

Add conjob example
chmod +x /var/mycommands/file.sh
crontab -e (edit file)
0 * * * * sh /var/mycommands/file.sh > var/mylogs/file.log

cronjobs list
crontab -l

//-------- turn on logs ----------
nano /etc/rsyslog.d/50-default.conf
cron.*   /var/log/cron.log
service cron restart
//-------------------------------------

//------fix permissions --------
crontab -e & update file
//-------------------------------

cronjob example: every minute
https://crontab.guru/#*/1_*_*_*_*

processed cronjobs filtered by filename
grep -i "file.sh" /var/log/syslog

https://stackoverflow.com/questions/28235524/how-to-run-a-php-script-daily-with-the-cron-job-on-ubuntu-os