I have set the Display > Layout > User interface scale to 200% on Linux Mint Cinnamon desktop environment installed as a VirtualBox virtual machine (VM). But every time I restart the VM, the user interface scale automatically changes back to 100%. I don’t want that to happen. I want it to be 200% by default. I’ve found a fix and I will share you with you the steps in this article.
To set a default interface scaling factor on Linux Mint Cinnamon desktop, open a Terminal and run the following command:
$ gsettings set org.cinnamon.desktop.interface scaling-factor 2
NOTE: If you want to set the user interface scaling to 150%, set 1.5 in here instead.
To check if the user interface scaling is set to 200% by default, reboot the Linux Mint VM and click on Reset to Defaults from the Display app. The scaling should be 200% even after the reset.
