While you can do it that way, that won’t provide you with a clean uninstall of the app. If the screen dont automatically switch to full screen upon boot or login, toggle the View option > Auto-resize Guest Display.Uninstalling VirtualBox requires a couple of extra steps rather than dragging the app to your trash. Once the system reboots, it should boot to full-screen mode. Once the installation is done, restart your virtual machine in order to reload the kernel modules. VirtualBox Guest Additions: Running kernel modules will not be replaced until Update-initramfs: Generating /boot/initrd.img-5.10.0-8-amd64 VirtualBox Guest Additions: Building the modules for kernel 5.10.0-8-amd64.

VirtualBox Guest Additions: /sbin/rcvboxadd quicksetup all VirtualBox Guest Additions: /sbin/rcvboxadd quicksetup VirtualBox Guest Additions: To build modules for other installed kernels, run

VirtualBox Guest Additions: Building the VirtualBox Guest Additions kernel Uncompressing VirtualBox 6.1.26 Guest Additions for Linux. Sample command output Verifying archive integrity. Once the installation is done, you can now install VirtualBox guest additions by executing the command below sudo sh /mnt/n

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. When VirtualBox guest addition ISO file is inserted, you may or may not be prompted on how to open it.

Uninstall virtualbox additions ubuntu