On a Fedora or CentOS system with enables selinux you need to store your certificate and configuration in /etc/openvpn to avoid selinux is blocking the access of NetworkManager to this files. There is a way of setting some sebooleans to allow selinux to read them from user home directories …

As I wrote in an older post there is a simple solution using ssh to tunnel your webbrowser traffic through an ssh connection to a secure and trusted endpoint. This is a very simple solution to secure your access to the web while you are in a public wifi network …