grub-mkrescue

make a GRUB rescue image

Synopsis

grub-mkrescue [OPTION] SOURCE...

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examples

source

            
  cp grub.cfg isodir/boot/grub/grub.cfg


  grub-mkrescue -o myos.iso isodir


  rm -rf isodir

source

            
  cp bin/initrd/initrd.img build/iso/initrd


  grub-mkrescue -o alphaos.iso build/iso/


  qemu-system-i386 alphaos.iso

description

Make GRUB CD-ROM, disk, pendrive and floppy bootable image.
-h, --help

print this message and exit

-v, --version

print the version information and exit

-o, --output=FILE

save output in FILE [required]

--modules=MODULES

pre-load specified modules MODULES

--rom-directory=DIR

save ROM images in DIR [optional]

--xorriso=FILE

use FILE as xorriso [optional]

--grub-mkimage=FILE

use FILE as grub-mkimage

--diet

apply size reducing measures [optional]

xorriso -as mkisofs -help generates a bootable rescue image with specified source files, source directories, or mkisofs options listed by the output of ’grub-mkrescue’

Option -- switches to native xorriso command mode.

reporting bugs

Report bugs to <bug-grub[:at:]gnu[:dot:]org>.
Mail xorriso support requests to <bug-xorriso[:at:]gnu[:dot:]org>.

see also

grub-mkimage

The full documentation for grub-mkrescue is maintained as a Texinfo manual. If the info and grub-mkrescue programs are properly installed at your site, the command

info grub-mkrescue

should give you access to the complete manual.