Commands for Ubuntu/Mint/Debian based Linux distro

Task: Debian Start cron service

To start the cron service, use:

/etc/init.d/cron start

OR $ sudo /etc/init.d/cron start OR $ sudo service cron start

Task: Debian Stop cron service

To stop the cron service, use:

/etc/init.d/cron stop

OR $ sudo /etc/init.d/cron stop OR $ sudo service cron stop

Task: Debian Restart cron service

To restart the cron service, use:

/etc/init.d/cron restart

OR $ sudo /etc/init.d/cron restart OR $ sudo service cron restart

Task : Start the cron service at boot time

It is recommended that you start the service at boot time so that job can run w/o problems.

If you are using Redhat (RHEL)/Fedora Core/Cent OS Linux use the following commands to ensure that the service remains enabled after a reboot:

chkconfig crond on

You can use a text based GUI tool called ntsysv to enable crond service:

ntsysv

If you are using Debian or Ubuntu Linux use the following commands to ensure that the service remains enabled after a reboot:

rcconf

OR $ sudo rcconf You can use command line tool update-rc.d: # update-rc.d cron defaults OR $ sudo update-rc.d cron defaults

Commands for RHEL/Fedora/CentOS/Scientific Linux user

Task: Start cron service

To start the cron service, use:

/etc/init.d/crond start

OR RHEL/CentOS 5.x/6.x user:

service crond start

OR RHEL/Centos Linux 7.x user:

systemctl start crond.service

Task: Stop cron service

To stop the cron service, use:

/etc/init.d/crond stop

OR RHEL/CentOS 5.x/6.x user:

service crond stop

OR RHEL/Centos Linux 7.x user:

systemctl stop crond.service

Task: Restart cron service

To restart the cron service, use:

/etc/init.d/crond restart

OR RHEL/CentOS 5.x/6.x user:

service crond restart

OR RHEL/Centos Linux 7.x user:

systemctl restart crond.service