Let’s Encrypt is a free, automated, and open certificate authority. It provides tools to request valid ssl certificates straight from the command line.
Install the package . Experimental installation using Nginx is provided with the package. Although a package exists, automated installation using the Apache HTTP Server is currently only supported on debian derivatives.
Please consult the Let’s Encrypt client documentation on how to create and install certificates. This wiki will be expanded as soon as certificate installation methods have been crystallized out.