If you have followed the steps in the How to Generate a Free SSL Certificate using Let’s Encrypt article this is the next logical step.
To renew an SSL from issued by Let’s Encrypt you need to schedule a task that runs regularly.
This can be achieved using Linux’ cron service.
Login as root and type
An editor will pop up and you can pick Pico or other editor.
If VIM editor options up press G (it’s the capital letter) and then o
This will switch the editor to edit mode. Paste the following line.
It should run every day at 3:15am. If the SSL certificate end up being renewed the apache webserver’s configuration will be reloaded.
After you’re done you can press ZZ to exit from VIM editor.
# run every day at 3:15am
15 3 * * * /opt/letsencrypt/certbot-auto renew –quiet –post-hook ‘service apache2 reload’
This renewal process will attempt to renew all certificates that are due for renewal.