mkdir iso
#mkdir -p iso/boot/grub
cp -rf /boot/ iso/boot/
rm iso/boot/grub/menu.lst
cp iso/boot/grub/grub.conf iso/boot/grub/menu.lst
rm iso/boot/grub/grub.conf*
mkisofs -R -b boot/grub/stage2_eltorito -no-emul-boot -boot-load-size 4 -boot-info-table -o grub.iso iso
#genisoimage -R -b boot/grub/stage2_eltorito \ -input-charset iso8859-1 \ -V "iso" \ -no-emul-boot \ -boot-load-size 4 -boot-info-table -o grub.iso iso 

#This produces a file named grub.iso, which then can be burned into a CD (or a DVD). mkisofs has already set up the disc to boot from the boot/grub/stage2_eltorito file, so there is no need to setup GRUB on the disc. (Note that the -boot-load-size 4 bit is required for compatibility with the BIOS on many older machines.)

Y#ou can use the device `(cd)' to access a CD-ROM in your config file. This is not required; GRUB automatically sets the root device to `(cd)' when booted from a CD-ROM. It is only necessary to refer to `(cd)' if you want to access other drives as well.