Instalar OpenVPN en servidor

https://www.cyberciti.biz/faq/howto-setup-openvpn-server-on-ubuntu-linux-14-04-or-16-04-lts/

https://github.com/Nyr/openvpn-install

wget https://git.io/vpn -O openvpn-install.sh

sudo bash openvpn-install.sh