New Server References Change SSH port https://www.ubuntu18.com/ubuntu-change-ssh-port/ Install LAMP https://www.digitalocean.com/community/tutorials/how-to-install-linux-apache-mysql-php-lamp-stack-on-ubuntu-20-04 Create a Self-Signed SSL Certificate and add new domains https://www.digitalocean.com/community/tutorials/how-to-create-a-self-signed-ssl-certificate-for-apache-in-ubuntu-20-04 Bug The requested apache plugin does not appear to be installed Add Let's Encrypt to domains https://www.digitalocean.com/community/tutorials/how-to-secure-apache-with-let-s-encrypt-on-ubuntu-20-04