Let's Encrypt - Certbot

Install Certbot

sudo apt update

sudo apt install certbot python3-certbot-apache

sudo certbot --apache

Verify Auto-Renewal

sudo systemctl status certbot.timer

sudo certbot renew --dry-run

Credit to: https://www.digitalocean.com/community/tutorials/how-to-secure-apache-with-let-s-encrypt-on-ubuntu