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Jul 22nd, 2006, 1:55 pm
Ok my latest computer hardship was yesterday when I tried to installed a thing called gfxboot which is like a fancy looking GRUB bootloader that distributions like SUSe use. So it didnt work and it uninstalled my grub or atleast messed it up enough that it didnt work. So I found a couple ways that said how to fix it but it ultimately didnt work. I did find a way to do it and so I thought id share. Just for reference I am using Ubuntu 6.06.

1. You need to have a live cd it doesnt really matter what distro I used ubuntu because it was the closest to me. So load up the livecd

2. You need to mount the hard drive partition that has the bootloader on it in my case it was hdb2 you can check by doing an fdisk -l command in your terminal. Once we now that we need to mount it so here are the commands I used:
#sudo mkdir /media/linux *creates a point we can mount
#sudo gedit /etc/fstab *should launch a text editor with your boot list

add this line to your fstab "/dev/hdb2 /media/linux /ext3". Note that if you are on a KDE enviroment it will probably auto mount the partition.

3. Now we need to get to our GRUB menu
#cd /media/linux/boot/grub/
#sudo gedit menu.lst

4. Now you need to edit your menu.lst to your listings here is what mine looks like:
# menu.lst - See: grub(8), info grub, update-grub(8)
#            grub-install(8), grub-floppy(8),
#            grub-md5-crypt, /usr/share/doc/grub
#            and /usr/share/doc/grub-doc/.

## default num
# Set the default entry to the entry number NUM. Numbering starts from 0, and
# the entry number 0 is the default if the command is not used.
#
# You can specify 'saved' instead of a number. In this case, the default entry
# is the entry saved with the command 'savedefault'.
# WARNING: If you are using dmraid do not change this entry to 'saved' or your
# array will desync and will not let you boot your system.
default        0

## timeout sec
# Set a timeout, in SEC seconds, before automatically booting the default entry
# (normally the first entry defined).
timeout        10

## hiddenmenu
# Hides the menu by default (press ESC to see the menu)
#hiddenmenu

# Pretty colours
#color cyan/blue white/blue

## password ['--md5'] passwd
# If used in the first section of a menu file, disable all interactive editing
# control (menu entry editor and command-line)  and entries protected by the
# command 'lock'
# e.g. password topsecret
#      password --md5 $1$gLhU0/$aW78kHK1QfV3P2b2znUoe/
# password topsecret

#
# examples
#
# title        Windows 95/98/NT/2000
# root        (hd0,0)
# makeactive
# chainloader    +1
#
# title        Linux
# root        (hd0,1)
# kernel    /vmlinuz root=/dev/hda2 ro
#

#
# Put static boot stanzas before and/or after AUTOMAGIC KERNEL LIST

### BEGIN AUTOMAGIC KERNELS LIST
## lines between the AUTOMAGIC KERNELS LIST markers will be modified
## by the debian update-grub script except for the default options below

## DO NOT UNCOMMENT THEM, Just edit them to your needs

## ## Start Default Options ##
## default kernel options
## default kernel options for automagic boot options
## If you want special options for specific kernels use kopt_x_y_z
## where x.y.z is kernel version. Minor versions can be omitted.
## e.g. kopt=root=/dev/hda1 ro
##      kopt_2_6_8=root=/dev/hdc1 ro
##      kopt_2_6_8_2_686=root=/dev/hdc2 ro
# kopt=root=/dev/hdb2 ro

## default grub root device
## e.g. groot=(hd0,0)
# groot=(hd1,1)

## should update-grub create alternative automagic boot options
## e.g. alternative=true
##      alternative=false
# alternative=true

## should update-grub lock alternative automagic boot options
## e.g. lockalternative=true
##      lockalternative=false
# lockalternative=false

## additional options to use with the default boot option, but not with the
## alternatives
## e.g. defoptions=vga=791 resume=/dev/hda5
# defoptions=quiet splash

## altoption boot targets option
## multiple altoptions lines are allowed
## e.g. altoptions=(extra menu suffix) extra boot options
##      altoptions=(recovery mode) single
# altoptions=(recovery mode) single

## controls how many kernels should be put into the menu.lst
## only counts the first occurence of a kernel, not the
## alternative kernel options
## e.g. howmany=all
##      howmany=7
# howmany=all

## should update-grub create memtest86 boot option
## e.g. memtest86=true
##      memtest86=false
# memtest86=true

## should update-grub adjust the value of the default booted system
## can be true or false
# updatedefaultentry=false

## ## End Default Options ##

title        Ubuntu, kernel 2.6.15-26-386
root        (hd1,1)
kernel        /boot/vmlinuz-2.6.15-26-386 root=/dev/hdb2 ro quiet splash
initrd        /boot/initrd.img-2.6.15-26-386
savedefault
boot

title        Ubuntu, kernel 2.6.15-26-386 (recovery mode)
root        (hd1,1)
kernel        /boot/vmlinuz-2.6.15-26-386 root=/dev/hdb2 ro single
initrd        /boot/initrd.img-2.6.15-26-386
boot

##title        Ubuntu, kernel 2.6.15-25-386
##root        (hd1,1)
##kernel        /boot/vmlinuz-2.6.15-25-386 root=/dev/hdb2 ro quiet splash
##initrd        /boot/initrd.img-2.6.15-25-386
##savedefault
#boot

##title        Ubuntu, kernel 2.6.15-25-386 (recovery mode)
##root        (hd1,1)
##kernel        /boot/vmlinuz-2.6.15-25-386 root=/dev/hdb2 ro single
##initrd        /boot/initrd.img-2.6.15-25-386
#boot

##title        Ubuntu, kernel 2.6.15-23-386
##root        (hd1,1)
##kernel        /boot/vmlinuz-2.6.15-23-386 root=/dev/hdb2 ro quiet splash
##initrd        /boot/initrd.img-2.6.15-23-386
##savedefault
#boot

##title        Ubuntu, kernel 2.6.15-23-386 (recovery mode)
##root        (hd1,1)
##kernel        /boot/vmlinuz-2.6.15-23-386 root=/dev/hdb2 ro single
##initrd        /boot/initrd.img-2.6.15-23-386
#boot

##title        Ubuntu, kernel 2.6.12-10-386
##root        (hd1,1)
##kernel        /boot/vmlinuz-2.6.12-10-386 root=/dev/hdb2 ro quiet splash
##initrd        /boot/initrd.img-2.6.12-10-386
##savedefault
#boot

##title        Ubuntu, kernel 2.6.12-10-386 (recovery mode)
##root        (hd1,1)
##kernel        /boot/vmlinuz-2.6.12-10-386 root=/dev/hdb2 ro single
##initrd        /boot/initrd.img-2.6.12-10-386
#boot

##title        Ubuntu, kernel 2.6.12-9-386
##root        (hd1,1)
##kernel        /boot/vmlinuz-2.6.12-9-386 root=/dev/hdb2 ro quiet splash
##initrd        /boot/initrd.img-2.6.12-9-386
##savedefault
#boot

##title        Ubuntu, kernel 2.6.12-9-386 (recovery mode)
##root        (hd1,1)
##kernel        /boot/vmlinuz-2.6.12-9-386 root=/dev/hdb2 ro single
##initrd        /boot/initrd.img-2.6.12-9-386
#boot

title        Ubuntu, memtest86+
root        (hd1,1)
kernel        /boot/memtest86+.bin 
boot

### END DEBIAN AUTOMAGIC KERNELS LIST

# This is a divider, added to separate the menu items below from the Debian
# ones.
title        Other operating systems:
root


# This entry automatically added by the Debian installer for a non-linux OS
# on /dev/hda1
title        Microsoft Windows XP Home Edition
root        (hd0,0)
savedefault
makeactive
chainloader    +1


I hope that is helpful if anyone has the same problem.
This blog entry was written by mikeandike22. It has received 19,910 views, 0 comments, and 118 linkbacks. 1 voter has rated this entry 5 out of 5 stars.
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