How To Install OpenVPN on CentOS 6 or CentOS 7

How To Install OpenVPN on CentOS 6 or CentOS 7 Pre-requisiites: CentOS 6 or CentOS 7 already installed and you have ssh access with root permission. Run commands in the terminal: $  sudo yum update $  wget https://raw.githubusercontent.com/Angristan/openvpn-install/master/openvpn-install.sh -O centos7-vpn.sh $  chmod +x centos7-vpn.sh $  sudo ./centos7-vpn.sh How do I start/stop/restart OpenVPN server on CentOS