You will be asked if you want to run the software. Then in the VirtualBox window, select Devices > Insert Guest Additions CD image. Once the above packages are installed, prepare your Debian 9 system to build kernel module, which is done with the command below. apt install build-essential module-assistant dkms After that, run the following command to install required packages for building kernel modules. If a new Linux kernel is installed in the upgrade process, then you need to reboot Debian 9 VM. Then switch to root with the following command: su.

How to Install VirtualBox Guest Additions in Debian 9īoot up your Debian 9 virtual machine. Enable bidirectional shared clipboard between host and guest.The screen resolution of guest machine can be automatically adjusted and 3D graphics can be accelerated. Power up the graphics ability of your guest machine.Allow guest OS to have read and write access to hard drives on the host OS.Enable users to seamlessly move mouse pointer between host and guest.VirtualBox guest additions offer the following capabilities: You need to have a Debian 9 guest OS installed inside VirtualBox to follow the instructions. This tutorial will show you how to install VirtualBox guest additions in a Debian 9 virtual machine.

Vm ubuntu full screen