UMD, PSP and Ubuntu

[Gaiaaa]

Hello !
I'm wondering if there is any way to copy an UMD disc (via my psp) to my Ipod (i got the authorizations to copy stuff on it)...

When I try, ubuntu says :

Error while copying "UMD9660.ISO".
There was an error copying the finle into /media/Ipod.

Show more details

Error opening file '/media/iPod/
UMD99660.ISO': Permission denied

Thanks !!