Partitions

[Rashkae]

Andrea Monaco wrote:
> I need to create a new partition on my computer (it has two partition: the former contains Ubuntu, the latter is the swap space) to install the Debian system.
> 
> I've tried to use the partition editor (gpacked package), but when I try to unmount the root partition (to resize it) a message says me that "The partition cannot be unmounted from the / mount point. Perhaps there are other partitions with the same mount point. You should unmount them manually." 
> 
> How can I create a new partition to install Debian?
> 

Boot from a live cd that has partition editing tools.  I've often used
Knoppix for this task, though I think the Ubuntu install cd should have
you covered as well.