Run terminal emulator: Press Alt+F2 an and type "x-terminal-emulator" and press Enter.
Install OpenVPN with the following command.
sudo apt-get install network-manager-openvpn openvpn
For Ubuntu 16.04 install also network-manager-openvpn-gnome
sudo apt-get install network-manager-openvpn-gnome
Open the network menu, go to "VPN Connections" and click on "Configure VPN...".
Click on "Add".
Click on "Import a saved VPN configuration..." and click "Create"
Download the OpenVPN configuration file (.ovpn file), select "Downloads" section, and open Trust.Zone-VPN.ovpn file by double click on it.
OpenVPN configuration file: Trust.Zone-VPN.ovpn (select port: , , , , ; protocol: , )
Download certificate file and click "CA Certificate" file chooser to choose certificate file.
Certificate file: Trust.Zone-VPN.pem
Navigate to "Downloads" and double click on certificate name to choose it.
Сlick "Save..." in order to save VPN connection settings.
Click network menu icon, choose "VPN Connections" and click on your created connection name to establish a VPN connection.
If connection has been successfully established, the status is shown in the menu bar and in balloon message.
In order to manage your VPN connections click "Network Connections" icon, choose "VPN Connections" => "Configure VPN...".
Your IP: x.x.x.x · Location: United States · You are in TRUST.ZONE now! Your real location is hidden!