VirtualBox Extension pack is a set of open source component which extend the functionality of VirtualBox base package, Oracle provides the one extension pack, it provides the following added functionality. The virtual USB 2.0 device. VurtualBox Remote Desktop Protocol (VDRP) Host webcam pass through.Is VirtualBox free for commercial use?
Oracle VM VirtualBox also remains free for personal use (Terms, conditions and restrictions apply). This new enterprise offering simply allows enterprise customers needing commercial licensing and support a way to get it.How do I install Guest Additions in a VirtualBox VM?
Installing the Guest Additions on a GUI-less server Start VirtualBox. Start the host in question. Once the host has booted, click Devices | Insert Guest Additions CD Image. Log in to your guest server. Mount the CD-ROM with the command sudo mount /dev/cdrom /media/cdrom. Change into the mounted directory with the command cd /media/cdrom.