Install gadmin-openvpn-client by entering the following commands in the terminal:
sudo apt update sudo apt install gadmin-openvpn-client
Description:
GTK+ configuration tool for openvpn (client)
gadmin-openvpn-client is a GTK+-based administration tool for the OpenVPN client. It allows one to manage multiple configuration profiles, easily (de)activate connections and view client-related logs.
Homepage: http://dalalven.dtdns.net/linux/gadmintools-webpage/
Version: 0.1.9-1
Section: universe/admin