Automatically renew LetsEncrypt certificate

In case you haven't heard, Let's Encrypt provide free SSL certificates which expire after 90 days. To renew your SSL certificates on the 1st of every month insert the following in your cron job:

0 0 1 * * /usr/bin/letsencrypt renew >> /var/log/letsencrypt-renew.log

Should you want to renew your SSL certificates manually you can simply run the following in your terminal:

/usr/bin/letsencrypt renew