Summary

How do you get control over the screen resolution in VirtualBox using Fedora 29.

TODOs

Here are some open “TODOs” I can think of on 25APR2019THU:

Might “lock up” the session when it goes idle on it’s own … this is a problem.

Modify Config and Reboot

Here is what my config:

/etc/gdm/custom.conf

looks like:

# GDM configuration storage

[daemon]
# Uncomment the line below to force the login screen to use Xorg
WaylandEnable=false

[security]

[xdmcp]

[chooser]

[debug]
# Uncomment the line below to turn on debugging
#Enable=true

AND REBOOT !!!

Commands

I’m going to show you the script I used which I think is the quickest way to implement and understand this:

#!/usr/bin/bash

# cvt 1920 1080
xrandr --newmode "1920x1080_60.00"  173.00  1920 2048 2248 2576  1080 1083 1088 1120 -hsync +vsync
xrandr --addmode Virtual1 1920x1080_60.00
xrandr -s 1920x1080_60.00

References

I stumbled across this link with the magic “comment out the WAYLAND0 stuff” … thanx dude !!!
I’ve done this stupid “cvt”, “xrandr”, blah blah a 100 times before I found my klu.

https://medium.com/devsys/adding-a-new-display-resolution-in-linux-ba08d73f327

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Subversion

$Id: fedora-screen-resolution.txt 4150 2019-04-25 19:17:11Z hoopchuk $