how to use shell in terminal to connect vpn?

[jerryhero]

Is there any way to use shell command to connect l2tp?I want to do some time test on connecting vpn.

[dkosovic]

Have a look at nmcli which is a command-line tool for controlling NetworkManager :

• https://developer.gnome.org/NetworkManager/stable/nmcli.html

In particular, have a look at nmcli connection