I am using NordVPN OpenVPN service to protect myself from prying eyes, especially now when the government defined insane data retention laws combined with unstable political situation. It is better to be safe than sorry, so I will illustrate the whole process using very simple step by step instructions.
Step 1
Execute terminal application.
Step 2
Enable universe repository.
$ sudo add-apt-repository universe
Step 3
Update package list.
$ sudo apt-get -qq update
Step 4
Install network-manager-openvpn-gnome package.
$ sudo apt-get install network-manager-openvpn-gnome
Step 5
Download OpenVPN configuration files and CA/TLS certificates for Linux directly fromSoftware downloads page.
Store these files inside ~/NordVPN directory.
Step 6
Extract downloaded archives.
Step 7
Expand Network Manager menu and open Edit Connections... menu entry.
Add new connection.
Select Import saved VPN configuration... option and hit Create... button.
Open desired server configuration (*.ovpn file).
You will see connection properties.
Step 8
Select Password authentication method and provide required credentials.
Select CA certificate matching chosen server (*.crt file).
Step 9
Open Advanced settings.
Open TLS Authentication tab, select Use additional TLS authentication box.
Provide Key file matching chosen server (*.key file) and define Key Direction as 1.
Step 10
Expand Network Manager menu, open VPN Connections menu entry and select configured VPN server to establish secure connection.
