Funny story, I actually succeeded in doing this a 9 months ago but I didn't write down the commands/procedure I used and have managed to completely forget it.
Does anyone know how I can go about making a live usb without taking up the whole usb stick? Using
dd or usb creator results in the whole usb being used up. I've tried using
dd if=/path/to/iso of=/dev/sdb count=6GB bs=2048
and then using parted to create a partition after 6.1GB but the partition was usable, trying to format gave a "quarks error".
I tried making a partition at the beginning of the stick and just copying the content of the iso to it. It managed to boot to GRUB but crashed during boot up as it was unable to find the squashfs file.