How do I access a Lion USB recovery stick from Ubuntu?

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http://askubuntu.com – I have an OS X Lion recovery stick that I would like to access, specifically to use it to install Lion in a Virtualbox VM. I notice that Windows detects and mounts the recovery stick as an optical drive. I know the drive works, because I am able to install Lion from it on a Mac. In Ubuntu, the drive does not automount, and I cannot figure out how to mount it manually. Ubuntu version is 11.04 amd64. I have not found any forum posts or comments from other people trying to do this. The output of wodim --devices: 0 dev='/dev/sg3' rwrw-- : 'APPLE' 'USB DISK' When I try to mount it with su (HowTos)