grub-install (8) Linux Manual Page

grub-install – install GRUB to a device

Synopsis

grub-install [,OPTION/…] [,OPTION/] [,INSTALL_DEVICE/]

Description

Install GRUB on your drive.

–compress=,no/|xz|gz|lzo

compress GRUB files [optional]

–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/<platform>]

–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.

–allow-floppy

make the drive also bootable as floppy (default for fdX devices). May break on some BIOSes.

–boot-directory=,DIR/

install GRUB images under the directory DIR/grub instead of the boot/grub directory

–bootloader-id=,ID/

the ID of bootloader. This option is only available on EFI and Macs.

–core-compress=,xz/|none|auto

choose the compression to use for core image

–disk-module=,MODULE/

disk module to use (biosdisk or native). This option is only available on BIOS target.

–efi-directory=,DIR/

use DIR as the EFI System Partition root.

–force

install even if problems are detected

–force-file-id

use identifier file even if UUID is available

–label-bgcolor=,COLOR/

use COLOR for label background

–label-color=,COLOR/

use COLOR for label

–label-font=,FILE/

use FILE as font for label

–macppc-directory=,DIR/ use DIR for PPC MAC install.

–no-bootsector

do not install bootsector

–no-extra-removable

Do not install bootloader code to the removable media path. This option is only available on EFI.

–no-nvram

don’t update the `boot-device’/`Boot*’ NVRAM variables. This option is only available on EFI and IEEE1275 targets.

–no-rs-codes

Do not apply any reed-solomon codes when embedding core.img. This option is only available on x86 BIOS targets.

–no-uefi-secure-boot

do not install an image usable with UEFI Secure Boot, even if the system was currently started using it. This option is only available on EFI.

–product-version=,STRING/

use STRING as product version

–recheck

delete device map if it already exists

–removable

the installation device is removable. This option is only available on EFI.

-s, –skip-fs-probe

do not probe for filesystems in DEVICE

–target=,TARGET/

install GRUB for TARGET platform [default=i386-pc]; available targets: arm-coreboot, arm-efi, arm-uboot, arm64-efi, i386-coreboot, i386-efi, i386-ieee1275, i386-multiboot, i386-pc, i386-qemu, i386-xen, i386-xen_pvh, ia64-efi, mips-arc, mips-qemu_mips, mipsel-arc, mipsel-loongson, mipsel-qemu_mips, powerpc-ieee1275, riscv32-efi, riscv64-efi, sparc64-ieee1275, x86_64-efi, x86_64-xen

–uefi-secure-boot

install an image usable with UEFI Secure Boot. This option is only available on EFI and if the grub-efi-amd64-signed package is installed.

-?, –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.

INSTALL_DEVICE must be system device filename. grub-install copies GRUB images into boot/grub. On some platforms, it may also install GRUB into the boot sector.

Reporting Bugs

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

See Also

grub-mkconfig(8), grub-mkimage(1), grub-mkrescue(1) The full documentation for grub-install is maintained as a Texinfo manual. If the info and grub-install programs are properly installed at your site, the command

info grub-install

should give you access to the complete manual.