grub-install

Install GRUB to a device. More information: https://www.gnu.org/software/grub/manual/grub/html_node/Installing-GRUB-using-grub_002dinstall.html.

• Install GRUB on a BIOS system:

grub-install --target=i386-pc path/to/device

• Install GRUB on an UEFI system:

grub-install --target=x86_64-efi --efi-directory=path/to/efi_directory --bootloader-id=GRUB

• Install GRUB pre-loading specific modules:

grub-install --target=x86_64-efi --efi-directory=path/to/efi_directory --modules="part_gpt part_msdos"