VirtualBox 2: How To Pass Through USB Devices To Guests On An Ubuntu 8.10 Host
This short guide shows how you can pass through USB devices (such as a USB flash drive) to VirtualBox guests on an Ubuntu 8.10 VirtualBox 2 host. USB support is available only in the VirtualBox PUEL (closed-source) edition, not in the OSE edition, so make sure you have the PUEL edition installed.
Read more: http://howtoforge.com/virtualbox-2-how-to-pass-through-usb-devices-to-guests-on-an-ubuntu-8.10-host