OpenVpn not working

OpenVPN not working.

I’m runing Parrot 4.8 and when I type `sudo openvpn example.ovpn’ in terminal it seems that OpenVPN is connected.
But when I check my external IP adress it’s unchanged. I’m new in linux world.

Did you setup configuration prior to this?

Here is sample configuration file:

I’m using config from /

does it happens everytime?
create new profile and try it
it is sometimes problem from HackTheBox site