parted /dev/disk/by-id/usb-SanDisk_U3_Cruzer_Micro_000015257760C493-0:0-part1
  mklabel msdos
  mkpart primary 128 989311
  set 1 boot on

mke2fs -v -L boot -t ext2 -T custom -b 4096 -N 131072 -I 128 -m 5 /dev/disk/by-id/usb-SanDisk_U3_Cruzer_Micro_000015257760C493-0:0-part1
tune2fs -c 0 -i 1m -m 1 -e remount-ro /dev/disk/by-id/usb-SanDisk_U3_Cruzer_Micro_000015257760C493-0:0-part1

mkdir -p /mnt/ragoqaxa
mount /dev/disk/by-id/usb-SanDisk_U3_Cruzer_Micro_000015257760C493-0:0-part1 /mnt/ragoqaxa

mkdir /mnt/ragoqaxa/extlinux
extlinux -i /mnt/ragoqaxa/extlinux
dd if=/usr/lib/syslinux/mbr.bin of=/dev/disk/by-id/usb-SanDisk_U3_Cruzer_Micro_000015257760C493-0:0

mkdir /mnt/ragoqaxa/sysrcd
...

cat <<'EOS' >/mnt/ragoqaxa/extlinux/extlinux.conf

default sysrcd-64
prompt 1
timeout 60

label sysrcd-32
    linux /sysrcd/rescuecd
    initrd /sysrcd/initram.igz
    append subdir=sysrcd docache scandelay=1 setkmap=dvorak panic=60 sysrq=1

label sysrcd-64
    linux /sysrcd/rescue64
    initrd /sysrcd/initram.igz
    append subdir=sysrcd docache scandelay=1 setkmap=dvorak panic=60 sysrq=1

EOS