GRUB-INSTALL(8) System Administration Utilities GRUB-INSTALL(8)
NAME
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/<plat-
form>]
--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-extra-removable
force installation to the removable media path also. This option
is only available on EFI.
--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-nvram
don't update the `boot-device'/`Boot*' NVRAM variables. This op-
tion 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 avail-
able 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 avail-
able 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-core-
boot, i386-efi, i386-ieee1275, i386-multiboot, i386-pc,
i386-qemu, i386-xen, i386-xen_pvh, ia64-efi, loongarch64-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@gnu.org>.
SEE ALSO
grub-mkconfig(8), grub-mkimage(1), grub-mkrescue(1)
The full documentation for grub-install is maintained as a Texinfo man-
ual. 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.
GRUB 2.12-9 July 2025 GRUB-INSTALL(8)
Generated by dwww version 1.16 on Tue Dec 16 06:13:54 CET 2025.