menuentry "Ubuntu 16.04.3 64 bits live" {
	set isoname="ubuntu-16.04.3-desktop-amd64.iso"
	set isofile="${isoroot}/${isoname}"
	loopback loop $isofile
	linux (loop)/casper/vmlinuz.efi $fra iso-scan/filename=$isofile boot=casper file=/cdrom/preseed/ubuntu.seed noprompt quiet splash --
	initrd (loop)/casper/initrd.lz
}