On Gnome based DE

make configure build-gtk  dev-install
  • Run nm-connection-editor [--uuid=uuid] to test with GTK

  • cat /etc/NetworkManager/system-connections/test.nmconnection

  • Run plasmoidviewer -a org.kde.plasma.networkmanagement to test config editor in Plasma

  • Run systemd-run --user kded5 --replace to realod plasma vpn lib