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grub-install Command Examples in Linux

by Deepika

GRUB (GRand Unified Bootloader) is a bootloader that is commonly used in Linux and Unix-like systems to load the operating system. grub-bios-setup is a command-line utility that is used to set up a device to use GRUB with a BIOS (Basic Input/Output System) configuration. It is typically used to install GRUB on a device’s Master Boot Record (MBR) or on a partition’s boot sector.

grub-install is a command-line utility that is used to install the GRUB bootloader on a device. GRUB (GRand Unified Bootloader) is a bootloader that is commonly used in Linux and Unix-like systems to load the operating system.

The grub-install command is a versatile command that can be used to install GRUB on a variety of different devices, including BIOS and UEFI systems. It can be used to install GRUB on a device’s Master Boot Record (MBR), on a partition’s boot sector, or on a specific partition on a device.

For example, to install GRUB on the first disk on your system, you would use the following command:

# grub-install /dev/sda

grub-install Command Examples

1. Install GRUB on a BIOS system:

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

2. Install GRUB on an UEFI system:

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

3. Install GRUB pre-loading specific modules:

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

Filed Under: Linux

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