Screen Size for Linux

Below is the command to run;

grubby --update-kernel=ALL --args="video=hyperv_fb:1024x768"

Then reboot.

It works most of the time, but isn't guaranteed.

CentOS Settings related to the above command can be found in this file: /boot/efi/EFI/centos/grub.cfg

Sourced from here: https://www.netometer.com/blog/?p=1663