Po dodaniu takiego wpisu do pliku /etc/grub.d/40_custom

menuentry "Clonezilla live" {
set isofile="/boot/grub/clonezilla-live-2.5.2-31-amd64.iso"
loopback loop $isofile
linux (loop)/live/vmlinuz boot=live union=overlay username=user config components quiet noswap nolocales edd=on nomodeset ...