[CentOS] Setting GDM resolution without knowing the monitor specs

> On Feb 21, 2019, at 4:42 PM, Gianluca Cecchi <gianluca.cecchi at gmail.com>
> wrote:
>>
>> [root at desktop xorg.conf.d]# cat 00-monitor.conf

Why not just ship it with text mode login and get rid of all the video
problems? With a 800x600 resolution I doubt they can do a lot with the GUI
anyway.

Regards,
Simon