curl -O https://raw.githubusercontent.com/angristan/openvpn-install/master/openvpn-install.sh
chmod +x openvpn-install.sh
./openvpn-install.sh
Select add a client, and give it any name you like.
A your_client_name.ovpn
will be generated in the home folder.
Read more here: https://github.com/angristan/openvpn-install#usage
Download the your_client_name.ovpn
from your Linux server machine
scp <username>@<server_host_name>:<path_to_your_client_name.ovpn> .
In GUI: Go to Settings -> Network, find VPN settings, and add a new VPN connection by selecting "import from a config file"