CentOS 7 Install Xev Package
You are Welcome! The Tutorial Shows You Step-by-Step How to Install xev Package in CentOS 7.x GNU/Linux.
And the Xev CentOS 7 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 CentOS Desktop.
1. Launching Terminal
(Press “Enter” to Execute Commands)