Linux Commands Examples

A great documentation place for Linux commands


make a bootable image of GRUB

see also : grub-install - grub-mkrescue - grub-mknetdir


grub-mkimage [OPTION...] [OPTION]... [MODULES]

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grub-mkimage -p /boot -o tmp_core.img -O i386-pc biosdisk iso9660 multiboot normal ls cat help
cat /usr/lib/grub/i386-pc/cdboot.img tmp_core.img > boot/eltorito.img
MODULES="configfile ext2 fat part_gpt normal linux ls boot echo reboot search search_fs_file search_fs_uuid search_label help font efi_gop efi_uga gfxterm"
grub-mkimage -O x86_64-efi -p "" -o /boot/efi/boot/bootx64.efi -c /boot/load.cfg $MODULES


Make a bootable image of GRUB.
, --config=FILE

embed FILE as an early config

-C, --compression=(xz|none|auto)

choose the compression to use

-d, --directory=DIR

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

-m, --memdisk=FILE

embed FILE as a memdisk image

-n, --note

add NOTE segment for CHRP IEEE1275

-o, --output=FILE

output a generated image to FILE [default=stdout]

-O, --format=FORMAT

generate an image in FORMAT available formats: i386-coreboot, i386-multiboot, i386-pc, i386-pc-pxe, i386-efi, i386-ieee1275, i386-qemu, x86_64-efi, mipsel-yeeloong-flash, mipsel-fuloong2f-flash, mipsel-loongson-elf, powerpc-ieee1275, sparc64-ieee1275-raw, sparc64-ieee1275-aout, ia64-efi, mips-arc, mipsel-qemu_mips-elf, mips-qemu_mips-flash, mipsel-qemu_mips-flash, mips-qemu_mips-elf

-p, --prefix=DIR

set prefix directory [default=/boot/grub]

-v, --verbose

print verbose messages.

-?, --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.

reporting bugs

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

see also

grub-install , grub-setup, grub-mkrescue , grub-mknetdir

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

info grub-mkimage

should give you access to the complete manual.

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