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grub2-mkrescue - Man Page

make a GRUB rescue image


grub-mkrescue [OPTION...] [OPTION] SOURCE...


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


Add a note segment reserving SIZE bytes for an appended signature


compress GRUB files [optional]


disable shim_lock verifier


embed a specific DTB

-d,  --directory=DIR

use images and modules under DIR [default=/usr/lib/grub/<platform>]


install FONTS [default=unicode]


install only MODULES and their dependencies [default=all]

-k,  --pubkey=FILE

embed FILE as public key for signature checking

--locale-directory=DIR use translations under DIR



install only LOCALES [default=all]


pre-load specified modules MODULES


SBAT metadata


install THEMES [default=starfield]

-v,  --verbose

print verbose messages.

-x,  --x509key=FILE

embed FILE as an x509 certificate for signature checking


enable ARCS (big-endian mips machines, mostly SGI) boot. Disables HFS+, APM, sparc64 and boot as disk image for i386-pc


choose the compression to use for core image


use COLOR for label background


use COLOR for label


use FILE as font for label

-o,  --output=FILE

save output in FILE [required]


use STRING as product name


use STRING as product version


save ROM images in DIR [optional]


enable sparc boot. Disables HFS+, APM, ARCS and boot as disk image for i386-pc


use FILE as xorriso [optional]

-?,  --help

give this help list


give a short usage message

-V,  --version

print program version

Mandatory or optional arguments to long options are also mandatory or optional for any corresponding short options.

Generates a bootable CD/USB/floppy image.  Arguments other than options to this program are passed to xorriso, and indicate source files, source directories, or any of the mkisofs options listed by the output of `xorriso -as mkisofs -help'.

Option -- switches to native xorriso command mode.

Mail xorriso support requests to <bug-xorriso@gnu.org>.

Reporting Bugs

Report bugs to <bug-grub@gnu.org>.

See Also


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.


May 2024 GRUB 2.06