Manual: grub-mkrescue

GRUB-MKRESCUE(1)					User Commands					    GRUB-MKRESCUE(1)

NAME
       grub-mkrescue - make a GRUB rescue image

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

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

       --appended-signature-size=SIZE
	      Add a note segment reserving SIZE bytes for an appended signature

       --compress=no|xz|gz|lzo
	      compress GRUB files [optional]

       --disable-cli
	      disabled command line interface access

       --disable-shim-lock
	      disable shim_lock verifier

       --dtb=FILE
	      embed a specific DTB

       -d, --directory=DIR
	      use images and modules under DIR [default=/usr/lib/grub/]

       --fonts=FONTS
	      install FONTS [default=unicode]

       --install-modules=MODULES
	      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
	      [default=/usr/share/locale]

       --locales=LOCALES
	      install only LOCALES [default=all]

       --modules=MODULES
	      pre-load specified modules MODULES

       --sbat=FILE
	      SBAT metadata

       --themes=THEMES
	      install THEMES [default=starfield]

       -v, --verbose
	      print verbose messages.

       -x, --x509key=FILE
	      embed FILE as an x509 certificate for appended signature checking

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

       --core-compress=xz|none|auto
	      choose the compression to use for core image

       --label-bgcolor=COLOR
	      use COLOR for label background

       --label-color=COLOR
	      use COLOR for label

       --label-font=FILE
	      use FILE as font for label

       -o, --output=FILE
	      save output in FILE [required]

       --product-name=STRING
	      use STRING as product name

       --product-version=STRING
	      use STRING as product version

       --rom-directory=DIR
	      save ROM images in DIR [optional]

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

       --xorriso=FILE
	      use FILE as xorriso [optional]

       -?, --help
	      give this help list

       --usage
	      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 .

REPORTING BUGS
       Report bugs to .

SEE ALSO
       grub-mkimage(1)

       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.

GRUB 2.14-2ubuntu2					 March 2026					    GRUB-MKRESCUE(1)