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If you wish to see what version of virtualbox is installed use 'vboxmanage' vboxmanage -vTo see what extension packs are installed vboxmanage list extpacks=== VirtualBox Extension Pack ===Update 2024: On a Linux Mint 21.1 System VirtualBox Extension Pack adds some extra features: Oracle Cloud Infrastructure (OCI) integration, VirtualBox Remote Desktop Protocol (VRDP), Host webcam passthrough, Disk and full VM encryption. Install the VirtualBox Extension Pack’s version to match the version of VirtualBox installed.