Boot USB pendrive with multiple CD ISO images

make-multi-boot-usb.sh

# http://www.panticz.de/MultiBootUSB

sudo mkfs.vfat -n zed9h /dev/sdb1

mount /dev/sdb1 /mnt/

grub-install --no-floppy --root-directory=/mnt /dev/sdb1

cat <<EOF> /mnt/boot/grub/grub.cfg

menuentry "Ubuntu Live 10.10 32bit" {
 loopback loop /boot/iso/ubuntu-10.10-desktop-i386.iso
 linux (loop)/casper/vmlinuz boot=casper iso-scan/filename=/boot/iso/ubuntu-10.10-desktop-i386.iso noeject noprompt --
 initrd (loop)/casper/initrd.lz
}
EOF

mkdir /mnt/boot/iso

wget http://ftp.uni-kl.de/pub/linux/ubuntu.iso/10.10/ubuntu-10.10-desktop-i386.iso -P /mnt/boot/iso

sync
umount /mnt/