grub-mkimage - make a bootable image of GRUB
grub-mkimage [,OPTION/...] [,OPTION/]... [,MODULES/]
Make a bootable image of GRUB.
-c, --config=,FILE/ embed FILE as an early config
-C, --compression=(xz|none|auto) choose the compression to use for core image
-d, --directory=,DIR/ use images and modules under DIR [default=/usr/lib/grub/<platform>]
-k, --pubkey=,FILE/ embed FILE as public key for signature checking
-m, --memdisk=,FILE/ embed FILE as a memdisk image
Implies `-p (memdisk)/boot/grub' and overrides
any prefix supplied previously, but the prefix itself can be overridden by later options
-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-pc-eltorito, i386-efi, i386-ieee1275, i386-qemu, x86_64-efi, i386-xen, x86_64-xen, mipsel-yeeloong-flash, mipsel-fuloong2f-flash, mipsel-loongson-elf, powerpc-ieee1275, sparc64-ieee1275-raw, sparc64-ieee1275-cdcore, sparc64-ieee1275-aout, ia64-efi, mips-arc, mipsel-arc, mipsel-qemu_mips-elf, mips-qemu_mips-flash, mipsel-qemu_mips-flash, mips-qemu_mips-elf, arm-uboot, arm-efi, arm64-efi
-p, --prefix=,DIR/ set prefix directory [default=/boot/grub]
-v, --verbose print verbose messages.
-?, --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.
Report bugs to <bug-grub@gnu.org>.
grub-install (8), grub-mkrescue (1), grub-mknetdir (8)
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.