Multiboot USB Stick

DEVICE=/dev/sda
VOLUME=MultBootUSB
ROOT=/mnt/usb

mount | grep -q ${DEVICE} && exit 1

dd if=/dev/zero of=${DEVICE} bs=512 count=1

# ggf doch fdisk mit defaults, prim 1, typ c NIEMALS a !!!!!!
# echo ",,c," | sfdisk ${DEVICE}
parted ${DEVICE} -- mklabel msdos mkpart primary fat32 2 -1s
# check label, Remaining 4095 unallocated 512-byte sectors

mkfs.vfat -F 32 -n ${VOLUME} ${DEVICE}1

mount ${DEVICE}1 ${ROOT}

# grub 0.97 kennt kein loopback !
grub-install --no-floppy --root-directory=${ROOT} ${DEVICE}

cat << EOF > ${ROOT}/boot/grub/menu.lst
default         0
timeout         10

color cyan/blue white/blue

title           Ubuntu, memtest86+
root            (hd0,0)
kernel          /boot/memtest86+.bin
EOF

# ubuntus memtest86+.bin nach ${ROOT}/boot/memtest86+.bin
# der memtest aus knoppix isolinux geht net

umount ${DEVICE}1

# make backups

tar cvzf usb.tgz -C ${ROOT} boot/grub
dd if=${DEVICE} bs=512 count=1 of=u_mbr
dd if=${DEVICE}1 bs=512 count=1 of=u_bs