Certbot

From the website: "Anyone who has gone through the trouble of setting up a secure website knows what a hassle getting and maintaining a certificate can be. Let’s Encrypt automates away the pain and lets site operators turn on and manage HTTPS with simple commands."

There are several options.

acme-tiny
Point an external IP at http and https at an Apache webserver and setup DNS for it.

Grab this: https://github.com/diafygi/acme-tiny/ via GIT and put the .py in /usr/local/bin


 * Make a directory for challenges to be created in


 * Add this to your Apache http vhost - ie port 80 vhost


 * Set these in your Apache https vhost - ie port 443 vhost


 * Make a directory to hold the various files related to LE


 * Create an account key, domain key and a CSR (replace www.example.co.uk with your host name)


 * Register and create the various certificate files


 * Restart Apache (systemd)


 * Restart Apache (OpenRC)