Bug#959208: add working instructions to disable nouveau

[Andreas Beckmann]

On 30/04/2020 22.08, Eduard Bloch wrote:
> lrwxrwxrwx 1 root root       22 Apr 30 21:51 /etc/alternatives/glx -> 
> /usr/lib/mesa-diverted

In this configuration, the nvidia driver is disabled.
But that has changed in your next bug report.


Andreas