Note: From version 18.4 onward we can see the Ovpn file in zip folder extract it and open the ovpn file in notepad we can see the remote IP is mention as 0.0.0.0 there mention the wan IP and port also show 0000 there mention port number mention in the SSL server creation time
Step 1: Refer to How to configure the SSL-VPN server there we can see the client creation
Step 2: Install OpenVPN on the Linux Pc
> Sudo apt-get install OpenVPN
> Sudo apt-get install network-manager-OpenVPN-gnome
Step 3: After installing open network Connection tab and Click ADD and Select import > insert the OVPN file
Step 4: After import the Ovpn the edit the connection setting we can to see the VPN tab, in general, it the Gateway mention the Wan IP of the head office and make all setting are default in private Key Password it asks the Password mention the key where we see when to create and download the client