Install

cd /usr/local/sbin
sudo wget https://dl.eff.org/certbot-auto
sudo chmod a+x /usr/local/sbin/certbot-auto

Setup

certbot-auto --apache -d example.com -d www.example.com

(found in /etc/letsencrypt/live)

Setup renew

crontab -e

add this to the bottom

30 2 * * 1 /usr/local/sbin/certbot-auto renew >> /var/log/le-renew.log