How to install LetsEncrypt free SSL certificate on Nginx (Ubuntu 14.04, 12.04)

What is Let’s Encrypt ? Let’s Encrypt is a service provided by the ISRG (Internet Security Research Group). It is a free, automated, and open certificate authority (CA), run for the public’s benefit. It is based on the following key principles : Free Automatic Secure Transparent Open Cooperative To begin the installation of the Free …