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installgrub(1M)		System Administration Commands	       installgrub(1M)

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. You
	     must  use this option if Solaris is installed on an extended par‐
	     tition.

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
       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

       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

FILES
       /boot/grub    Directory where GRUB files reside.

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

       ┌─────────────────────────────┬─────────────────────────────┐
       │      ATTRIBUTE TYPE	     │	    ATTRIBUTE VALUE	   │
       ├─────────────────────────────┼─────────────────────────────┤
       │Availability		     │SUNWcs			   │
       ├─────────────────────────────┼─────────────────────────────┤
       │Interface Stability	     │Uncommitted		   │
       └─────────────────────────────┴─────────────────────────────┘

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 parti‐
       tion is active.

SunOS 5.11			  2 Jul 2009		       installgrub(1M)

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