I am running Ubuntu 18.04.1 on Virtualbox on a Windows 10 host and I can't figure out how to get the screen to take up the full window. I've tried installing virtualbox-dkms and virtualbox-guest-dkms in the terminal and it didn't work.
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2https://askubuntu.com/questions/742692/black-screen-around-virtualbox-vm-in-fullscreen-mode-guest-additions-installed – Martin Zeitler Jan 18 '19 at 01:54
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Before installing VirtualBox guest additions tool, run the commands below on the Ubuntu guest machine first.
sudo apt install linux-headers-$(uname -r) build-essential dkms
After installing the packages above, restart and continue installing the Guest Additions Tool.
To install VirtualBox Guest Additions software on Ubuntu virtual machine operating systems, select the Devices from VirtualBox host application menu and click Insert Guest Additions CD image… view image
Click run to begin installation. view image
After installation is done reboot and you should be full screen.
