Cannot import .ovpn config file
If you try to import the OpenVPN config files and receive the
'-----.ovpn' could not be read or does not contain recognized VPN connection information. Error: unknown PPTP file extension. error, then you likely do not have the
network-manager-openvpn-gnome package installed.
sudo apt-get install openvpn network-manager-openvpn network-manager-openvpn-gnome
Restart the networking service:
sudo service network-manager restart