grub-install

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]

       --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

       --themes=THEMES
              install THEMES [default=starfield]

       -v, --verbose
              print verbose messages.

       --allow-floppy
              make the drive also bootable as  floppy  (default  for  fdX  de-
              vices). 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 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
              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 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,   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-install 2.04-1ubuntu26.17   December 2022                 GRUB-INSTALL(8)