How to connect to the VPN automatically on System Startup ?
Solution 1:
To automatically connect to VPN
- Launch nm-connection-editor or open Network Connections.
- Choose you WiFi or LAN connection, click "Edit", select the "General" tab.
- Enable "Automatically connect to VPN when using this connection".
Extra info on installing open VPN and use the same "settings, country" every time check this link.
Solution 2:
In addition to AnOn's answer you might want to have a look at this answer. If you "Store the password for all users" then the VPN will also automatically connect after waking up from being suspended.