Cron

• October 21, 2013
• Development  
• Deployment  

“cron is a time-based job scheduler in Unix-like” wikipedia

*/5 * * * * ~/app/alarms.py >> ~/app/log/alarm_error.log 2>&1

List of current cron jobs

crontab -l

Edit cron jobs

crontab -e

Example of cron job

*/5 * * * * ~/app/alarms.py >> ~/app/log/alarm_error.log 2>&1

* * * * * /usr/bin/rsync -azv ~/python/cli name@server:<folder> > /dev/null

* * * * * apache cd /var/www/project; /usr/bin/php index.php cli index 2>&1 > /tmp/project.log

Good resources:

• Prevent cronjobs from overlapping in Linux, useage of Flock
• Using systemd as a better cron

Ref: Cron_job