GNU/Linux Kali 2020 Trackball Scroll Setup – Step-by-step Guide
The tutorial shows you step-by-step How to Manually Enable the Trackball Scroll in Kali 2020 GNU/Linux desktop – Step by step Tutorial.
And the Trackball Scroll on Kali Linux is here enabled with the Click Button & Move gesture.
Especially relevant: the Kali Linux Trackball Scroll Setup is making use of the evdev Generic Input Event Interface XOrg Driver.
Finally, this Setup has been successfully Tested on a Kensington “Expert Mouse 4” & “SlimBlade” Trackballs.

1. Launching Terminal
How to QuickStart with Command Line on Kali GNU/Linux
First, Update the Apt Repo Sources with:
sudo apt update
Authenticate with the User Admin Pass.
If Got “User is Not in Sudoers file” then see: How to Enable sudo.
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