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HOWTO: Set framebuffers for higher resolution in Debian based servers ( command line only )

Posted: 22. May 2017, 16:43
by Perryg
# edit /etc/default/grub

Uncomment: #GRUB_GFXMODE=640x480

Modify it to required resolution: GRUB_GFXMODE=1024x768

Add the following: GRUB_GFXPAYLOAD_LINUX=keep

Save, exit, and run update-grub

Edit "/etc/modprobe.d/fbdev-blacklist.conf" and add vboxvideo

Reboot