GNU/Linux Ubuntu 20.04 Trackball Scroll Setup Guide
You are Welcome! The Tutorial Shows You Step-by-Step How to Manually Enable the Trackball Scroll in Ubuntu 20.04 Focal LTS GNU/Linux Desktop.
And the Trackball Scroll on Ubuntu 20.04 is here enabled with the Click Button & Move gesture.
Especially relevant: the Ubuntu Trackball Scroll is here enabled 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 Quick-Start with Command Line on Ubuntu GNU/LinuxCommand Line Ubuntu Linux QuickStart Guide
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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