Install xdmx-tools by entering the following commands in the terminal:
sudo apt update sudo apt install xdmx-tools
Description:
Distributed Multihead X tools
This package provides a collection of tools used for administration of the Xdmx server; see the xdmx package for more information. . More information about X.Org can be found at:
Homepage: https://www.x.org/
Version: 2:1.19.6-1ubuntu4
Section: universe/x11