sudo apt update -y & sudo apt upgrade sudo apt install dkms linux-headers-$(uname -r) build-essential Install VirtualBox Guest Additions on Debian 11 Bullseye

Now, to install VirtualBox guest additions, you need to have the kernel headers, DKMS framework, and build tools installed.

Listing the contents of the mount point: ls -1 /mnt AUTORUN.INF To mount it, open a terminal and run the command below sudo mount /dev/cdrom /mnt The ISO file is mounted as a removable device. If prompted, select Open with File Manager. On virtualbox menu and with the VM running!, click on Install Guest Additions… from the Devices menu, virtualbox should mount the iso copy but if for any reason it wouldn’t just in a terminal run:įollow the instructions on screen, and REBOOT.When VirtualBox guest addition ISO file is inserted, you may or may not be prompted on how to open it.Configure your system for building kernel modules by running in a terminal:.This step WILL UPGRADE all your packages, so be wise about it, try the following steps first and they might be enough to work if not, then UPGRADE and Retry.Īpt-get install build-essential module-assistant Ģ packages (build-essential and module-assistant), both required for being able to recompile the kernel modules when installing the virtualbox linux additions package, so this command will get the headers and packages (compilers and libraries) required to work, notice that after installing your virtualbox linux additions package you will leave behind some packages as well as linux headers which you might or not delete afterwards, in my case they didn’t hurt but for the sake of system tidyness you might want to pick up after playing 😉 Follow these steps to install the Guest Additions on your Debian virtual machine:

Guest additions virtualbox debian