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Table of Contents
VirtualBox VM
Guest Additions
- To upgrade the Guest Additions after upgrading the VirtualBox version, download the guest additions pack, shut down all virtual machines then start VirtualBox as root
sudo virtualbox
- After installing the Guest Additions, close VirtualBox and restart it under your user account
Install Guest Additions on a Debian 11 host
- The following steps need to be taken inside the VM
- Install the kernel headers, DKMS framework, and build tools
$ sudo apt update -y && sudo apt upgrade sudo apt install dkms linux-headers-$(uname -r) build-essential
- Attach the guest addition ISO to the VM and mount it
$ sudo mount /dev/cdrom /mnt/cd
- Install the VirtualBox guest additions
sudo sh /mnt/cd/VBoxLinuxAdditions.run
- Restart your virtual machine in order to reload the kernel modules
systemctl reboot -i
- If you want the VM to automatically switch to full screen upon boot or login, toggle the View option –> Auto-resize Guest Display
- Uninstall the guest additions
sudo sh /mnt/VBoxLinuxAdditions.run uninstall
- Repeat steps 3-6 if the kernel or the VirtualBox version changes