MultiBoot USB with Grub2 (boot directly from iso files)

#!/bin/bash

##############################################
# Source: http://www.panticz.de/MultiBootUSB #
#       Thank you, Pawel Konczalski          #
##############################################

DEVICE=/dev/$1
VOLUME=MultiBootUSB


# create filesystem on usb pen
sudo mkfs.vfat -n ${VOLUME} ${DEVICE}1


sudo mkdir /mnt/MultiBootUSB
# mount usb
sudo mount ${DEVICE}1 /mnt/MultiBootUSB


# install grub2 on usb pen
sudo grub-install --no-floppy --root-directory=/mnt/MultiBootUSB ${DEVICE}


# create grub config
cat <<EOF> /mnt/MultiBootUSB/boot/grub/grub.cfg
menuentry "Ubuntu Live 10.04 32bit" {
 loopback loop /boot/iso/ubuntu-10.04-desktop-i386.iso
 linux (loop)/casper/vmlinuz boot=casper iso-scan/filename=/boot/iso/ubuntu-10.04-desktop-i386.iso noeject noprompt --
 initrd (loop)/casper/initrd.lz
}

menuentry "Ubuntu Live 10.04 64bit" {
 loopback loop /boot/iso/ubuntu-10.04-desktop-amd64.iso
 linux (loop)/casper/vmlinuz boot=casper iso-scan/filename=/boot/iso/ubuntu-10.04-desktop-amd64.iso noeject noprompt --
 initrd (loop)/casper/initrd.lz
}

menuentry "Ubuntu Alt 10.04 32bit" {
 loopback loop /boot/iso/ubuntu-10.04-alternate-i386.iso
  linux (loop)/casper/vmlinuz boot=casper iso-scan/filename=/boot/iso/ubuntu-10.04-alternate-i386.iso noeject noprompt --
   initrd (loop)/casper/initrd.lz
}

menuentry "Ubuntu Alt 10.04 64bit" {
 loopback loop /boot/iso/ubuntu-10.04-alternate-amd64.iso
   linux (loop)/casper/vmlinuz boot=casper iso-scan/filename=/boot/iso/ubuntu-10.04-alternate-amd64.iso noeject noprompt --
      initrd (loop)/casper/initrd.lz
   }


menuentry "tinycore" {
 loopback loop /boot/iso/tinycore_2.3.1.iso
 linux (loop)/boot/bzImage --
 initrd (loop)/boot/tinycore.gz
}


menuentry "BackTrack 4" {
 linux /boot/bt4/boot/vmlinuz BOOT=casper boot=casper nopersistent rw vga=0x317 --
 initrd /boot/bt4/boot/initrd.gz
}

menuentry "Memory test (memtest86+)" {
 linux16 /boot/img/memtest86+.bin
}

menuentry "BackTrack ERR" {
 loopback loop /boot/iso/bt4-pre-final.iso
 linux (loop)/boot/vmlinuz find_iso/filename=/boot/iso/bt4-pre-final.iso BOOT=casper boot=casper nopersistent rw vga=0x317--
 initrd (loop)/boot/initrd.gz
}


menuentry "netboot.me" {
 loopback loop /boot/iso/netbootme.iso
 linux16 (loop)/GPXE.KRN
}

EOF

# create iso directory
sudo mkdir /mnt/MultiBootUSB/boot/iso

#
# download images
#


# tinycore
wget http://distro.ibiblio.org/pub/linux/distributions/tinycorelinux/2.x/release/tinycore_2.3.1.iso -P /mnt/MultiBootUSB/boot/iso



# netboot.me
wget http://static.netboot.me/gpxe/netbootme.iso -P /mnt/MultiBootUSB/boot/iso

# umount
sync
sudo umount /mnt/MultiBootUSB








# update debian installation files (/mnt/boot/debian/update.sh)
mount $DEVICE /mnt/MultiBootUSB
wget http://ftp.de.debian.org/debian/dists/stable/main/installer-amd64/current/images/netboot/debian-installer/amd64/initrd.gz -O initrd.gz
wget http://ftp.de.debian.org/debian/dists/stable/main/installer-amd64/current/images/netboot/debian-installer/amd64/linux -O linux




# links
#https://bugs.launchpad.net/ubuntu/+bug/94204
#http://debianforum.de/forum/viewtopic.php?f=32&t=111249
#http://michael-prokop.at/blog/2009/05/25/boot-an-iso-via-grub2/
#https://wiki.edubuntu.org/Grub2