Debian Buster Find Mouse Button
You are Welcome! The Tutorial Shows You Step-by-Step How to Find the Mouse Button ID in Debian Buster 10 GNU/Linux.
And the Xev Debian 10 Tool creates a Window and then asks the X server to Send it Events whenever anything Happens to the window (such as it being Moved, Resized, Typed in, Clicked in, etc.).
Finally, the Guide includes detailed instruction on How to Map the Mouse Button on Debian Desktop.
1. Launching Terminal
How to Quick Start with Command Line on Debian LinuxCommand Line Debian Linux Quick Start Guide
First, Update the Apt Repo Sources with:
sudo apt update