How to Secure Apache with Free Let’s Encrypt SSL Certificate on Ubuntu and Debian

Let’s Encrypt is a Certificate Authority (CA) which facilitates you in acquiring free SSL/TLS certificates needed for your server to run securely, making a smooth browsing experience for your users, without any errors.

This tutorial will guide you on how you can install Let’s Encrypt software on Ubuntu 14.04 or Debian 8, generate and obtain a free certificate for your domain and how you can manually install the certificate in Apache and Nginx webservers.