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installgrub(1M)

Name | Synopsis | Description | Options | Operands | Examples | Files | Attributes | See Also | Warnings

Name

installgrub– install GRUB in a disk partition or a floppy

Synopsis

/sbin/installgrub [-fm] stage1 stage2 raw-device

Description

The installgrub command is an x86–only program. GRUB stands for GRand Unified Bootloader.

installgrub installs GRUB stage 1 and stage 2 files on the boot area of a disk partition. If you specify the -m option, installgrub installs the stage 1 file on the master boot sector of the disk.

Options

The installgrub command accepts the following options:

-f

Suppresses interaction when overwriting the master boot sector.

-m

Installs GRUB stage1 on the master boot sector interactively.

Operands

The installgrub command accepts the following operands:

stage1

The name of the GRUB stage 1 file.

stage2

The name of the GRUB stage 2 file.

raw-device

The name of the device onto which GRUB code is to be installed. It must be a character device that is readable and writable. For disk devices, specify the slice where the GRUB menu file is located. (For Solaris it is the root slice.) For a floppy disk, it is /dev/rdiskette.

Examples

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Example 1 Installing GRUB on a Hard Disk Slice




The following command installs GRUB on a system where the root slice is c0d0s0:

example# /sbin/installgrub /boot/grub/stage1 \
         /boot/grub/stage2 /dev/rdsk/c0d0s0

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Example 2 Installing GRUB on a Floppy




The following command installs GRUB on a formatted floppy:

example# mount -F pcfs /dev/diskette /mnt
# mkdir -p /mnt/boot/grub
# cp /boot/grub/* /mnt/boot/grub
# umount /mnt
# cd /boot/grub
# /sbin/installgrub stage1 stage2 /dev/rdiskette

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Files

/boot/grub

Directory where GRUB files reside.

Attributes

See attributes(5) for descriptions of the following attributes:

ATTRIBUTE TYPE	ATTRIBUTE VALUE
Availability	SUNWcsu
Interface Stability	Evolving

See Also

boot(1M), fdisk(1M), fmthard(1M), kernel(1M), attributes(5)

Warnings

Installing GRUB on the master boot sector (-m option) overrides any boot manager currently installed on the machine. The system will always boot the GRUB in the Solaris partition regardless of which fdisk partition is active.

Name | Synopsis | Description | Options | Operands | Examples | Files | Attributes | See Also | Warnings