grub-mkimage (GRUB) 2.02~beta2-36ubuntu3.7

Usage: 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>.