I have some unpartioned space on my usb HDD and I would like to use that space to setup a live ubuntu installation partition. I have a lot of data in other partitions that I want to keep, so I cannot just plug in the usb creator because it seems to want to format the whole thing...
What can I do?
Try using the Disk Utility or GParted to format the unpartioned space then use unetbootin to install live ubuntu to that partition. Make sure you select the right one!
use Gparted or the integrated utility Palimpsest which comes with the latests versions of Ubuntu http://en.wikipedia.org/wiki/Palimpsest_Disk_Utility