MYPWD=`pwd`
WHERE=../../images/
mount -o loop $WHERE/boot.iso /mnt/cdrom
mkdir /tmp/bootiso
cd /mnt/cdrom
find . -print | cpio -pvdum /tmp/bootiso
cd /tmp/bootiso/
umount /mnt/cdrom
cd /tmp/newbootiso
find . -print | cpio -pvdum /tmp/bootiso/ 
cd /tmp/bootiso/
/bin/rm TRANS.TBL
mkisofs -o /tmp/boot.iso -b isolinux/isolinux.bin -c isolinux/boot.cat -no-emul-boot -boot-load-size 4 -boot-info-table -R -J -V "SLF 53 x86_64" .

#
cd $MYPWD
mount -o loop $WHERE/diskboot.img /mnt/cdrom
cd /tmp/newbootiso/isolinux/
find . -print | cpio -pvdum /mnt/cdrom
umount /mnt/cdrom