Easy mount dd *.iso Image in ubuntu

 https://superuser.com/questions/117136/how-can-i-mount-a-partition-from-dd-created-image-of-a-block-device-e-g-hdd-u

losetup --partscan --find --show disk.img

mount /dev/loop0p1 /mnt

to free up loop0, use after umount:

losetup -d /dev/loop0