losetup

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

mount /dev/loop0p1 /mnt
to free up loop0, use after umount:

losetup -d /dev/loop0

1. losetup --show -f -P test.img

/dev/loop0

1. ls /dev/loop0*

/dev/loop0 /dev/loop0p1 /dev/loop0p2

1. mount /dev/loop0p1 /mnt/tmp

See also

• dd, losetup
• lsblk

https://superuser.com/a/684707