Auto-resize screen in Virtualbox guest Linux system

UPDATE: There is an alternative solution from @vitalyrepin for VBoxSVGA controller, see it in comments.

To enable auto-resizing screen resolution for Linux guest you should use the VBoxVGA virtual graphics controller(Machine Settings - Display - Graphics Controller).

This is a tricky part, because “Create Virtual Machine” dialog by default chooses the VMSVGA controler for new Linux machines.

Documentation says that VBoxSVGA is the best controller type with improved performane, but for me screen auto-resize doesn’t work with it either.

And of course, you should install virtualbox guest utils and video drivers on the guest host. For Ubuntu/Debian they are in this packages:

sudo apt install virtualbox-guest-dkms virtualbox-guest-utils virtualbox-guest-x11

Or, if you use the HWE kernel:

sudo apt install virtualbox-guest-dkms-hwe virtualbox-guest-utils-hwe virtualbox-guest-x11-hwe

Now reboot the guest and screen auto-resizing(View - Auto-resize guest display) will work fine.



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