virtualbox increase screen size code example
Example 1: virtualbox screen size too small
follow the steps:
It is recommended that you set 128 MB of video memory, as when a video mode with higher resolution is used, more video memory is needed. You can also enable 2D and 3D acceleration.
open cmd:
cd "c:\Program Files\oracle\virtualbox"
VBoxManage setextradata "NAMEOFVM" VBoxInternal2/EfiGraphicsResolution 1920x1080
Example 2: how to increase the screen size in virtualbox
sudo apt-get install virtualbox-ose-guest-utils virtualbox-ose-guest-x11 virtualbox-ose-guest-dkms
Example 3: virtualbox fullscreen resolution
sudo apt-get install virtualbox-guest-dkms
sudo dpkg-reconfigure virtualbox-guest-dkms