Howto install OpenVPN 2 on CentOS 6

These are my notes on howto install OpenVPN 2 on CentOS 6, more specifically OpenVPN 2.3.2 on CentOS 6.5.  My notes build on the DigitalOcean community guide and are accurate as of 25 April 2014.  The guide was a helpful starting point but I’ve managed to shorten a couple of the steps and updated some to take into account directories ...