OpenVPN
Install packages
You will need to install some additional packages to your Debian/Ubuntu operation system in order to connect through OpenVpn.
sudo apt-get install openvpn network-manager-openvpn network-manager-openvpn-gnome
Open Settings
Open the network menu, go to "VPN Connections" and click on "Configure VPN...".
Create Profile
Click on "Add".
Import config
Click on "Import a saved VPN configuration...".
Create profile
Click on "Create".
Import config
Download the OpenVPN configuration unzip it and import the ".ovpn" configuration files.
Enter your username and password
Step 7Enter your login credentials and click on "Save...".
Connect
Step 8Open the network menu to establish a VPN connection.