- Open a console
- sudo crontab -e
- Add this task : */20 * * * * /bin/mail -s "AlarmTILT Heartbeat" firstname.lastname@example.org
To create a Monitoring connectivity Email address, read How to add/activate a monitoring system (heartbeat) ?
This will have as effect to launch an Email command all 20 minutes, for example. This one will send an Email with the subject "AlarmTILT Heartbeat" (not mandatory) to your AlarmTILT Email address.
For information on the tasks CRON: