Click on "Dash Home" icon on top left of your screen and type "terminal":
Copy paste this line to your Terminal:
sudo apt-get install openvpn
You can be prompted for your password to execute sudo command.
Confirm openvpn installation (y):
Next step is to get openvpn configuration files from you client area on https://boxpn.com/ru/cabinet/openvpn-configs. You will find a lot of available configs for different servers worldwide you can connect to. For example, lets get this (you should get ones you want to connect to):
Copy openvpn configuration files to /etc/openvpn/ folder:
sudo cp ~/Downloads/*.ovpn /etc/openvpn/
ls -l /etc/openvpn/
Select one you want to connect to and start openvpn:
sudo openvpn –config /etc/openvpn/ln-gb.ovpn
Fill your credentials information:
You will see "Initialization Sequence Complete" string. This mean "All right":
Let's check our public IP:
Now all your traffic is secure and you are 100% anonymous!