Automatically enable HTTPS on your website with EFF’s Certbot, deploying Let’s Encrypt certificates.

Website: https://certbot.eff.org/

For Apache on Ubuntu 16.04

$ sudo apt-get install python-letsencrypt-apache 

$ sudo letsencrypt --apache

Add cornjob

$ sudo vi /etc/crontab

# renew domain certificate

00 7   * * * root letsencrypt renew

00 19  * * * root letsencrypt renew

Written on December 1, 2016