10-14-2010
How to install grub on USB flash drive?
I wanna install grub on my flash drive for rescue usage.
My computer installs winxp, and I have fedora12 installed in vmware. I did like this:
step1: format the flash drive as FAT in winXP.
step2: in fedora12, mount the flash drive on /media/flash
step3: excute the command: grub-install --root-directory=/media/flash --no-floppy /dev/sdb.
in step3, It says: the file /media/flash/boot/grub/stage1 not read correctly. why?
In fact the command has created the flowing files on my flash drive:
.
`-- boot
`-- grub
|-- device.map
|-- e2fs_stage1_5
|-- fat_stage1_5
|-- ffs_stage1_5
|-- iso9660_stage1_5
|-- jfs_stage1_5
|-- minix_stage1_5
|-- reiserfs_stage1_5
|-- stage1
|-- stage2
|-- ufs2_stage1_5
|-- vstafs_stage1_5
`-- xfs_stage1_5
content in device.map is:
(hd0) /dev/sda
(hd1) /dev/sdb
Last edited by vistastar; 10-14-2010 at 11:40 PM..
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LEARN ABOUT LINUX
grub-install
GRUB-INSTALL(8) System Administration Utilities GRUB-INSTALL(8)
NAME
grub-install - install GRUB to a device
SYNOPSIS
grub-install [OPTION] install_device
DESCRIPTION
Install GRUB on your drive.
-h, --help
print this message and exit
-v, --version
print the version information and exit
--modules=MODULES
pre-load specified modules MODULES
--boot-directory=DIR
install GRUB images under the directory DIR/grub instead of the /boot/grub directory
--grub-setup=FILE
use FILE as grub-setup
--grub-mkimage=FILE
use FILE as grub-mkimage
--grub-mkrelpath=FILE
use FILE as grub-mkrelpath
--grub-mkdevicemap=FILE use FILE as grub-mkdevicemap
--grub-probe=FILE
use FILE as grub-probe
--no-floppy
do not probe any floppy drive
--allow-floppy
Make the drive also bootable as floppy (default for fdX devices). May break on some BIOSes.
--recheck
probe a device map even if it already exists
--force
install even if problems are detected
--disk-module=MODULE
disk module to use
INSTALL_DEVICE can be a GRUB device name or a system device filename.
grub-install copies GRUB images into /boot/grub, and uses grub-setup to install grub into the boot sector.
REPORTING BUGS
Report bugs to <bug-grub@gnu.org>.
SEE ALSO
grub-mkconfig(8), grub-mkimage(1), grub-setup(8), grub-mkrescue(1)
The full documentation for grub-install is maintained as a Texinfo manual. 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 (GRUB) 1.99-12ubuntu5 October 2011 GRUB-INSTALL(8)