Install x2goserver-extensions by entering the following commands in the terminal:
sudo apt update sudo apt install x2goserver-extensions
Description:
X2Go server (extension support)
X2Go is a server based computing environment with - session resuming - low bandwidth support - session brokerage support - client side mass storage mounting support - audio support - authentication by smartcard and USB stick . The X2Go server extension namespace offers contributors to add script functionality to X2Go that is not needed/ignored by the legacy X2Go client (x2goclient).
Homepage: http://wiki.x2go.org
Version: 4.1.0.0-3
Section: universe/x11