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[SOLVED]Grub 2 to grub 1 configuration.
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caaarlos
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Joined: 27 Apr 2012
Posts: 155

PostPosted: Sun Jan 06, 2013 9:39 am    Post subject: [SOLVED]Grub 2 to grub 1 configuration. Reply with quote

Hello,
I'm using gentoo, windows and backtrack. My sda partition is sda1 = boot, sda2= gentoo, sda3= windows and sda6 = backtrack. First I installed gentoo, second windows and the last was backtrack. The problem is, I dont want to use grub.cfg from backtrack so I do not installed grub 2 on my sda from backtrack installation, I'm using grub legacy. I want to setup grub.conf from my partition but only gentoo and windows works and backtrack no. When I click to enter on backtrack at boot the error is files not found.

This is my grub.conf that I'm trying to use...

Code:
# This is a sample grub.conf for use with Genkernel, per the Gentoo handbook
# http://www.gentoo.org/doc/en/handbook/handbook-x86.xml?part=1&chap=10#doc_chap2
# If you are not using Genkernel and you need help creating this file, you
# should consult the handbook. Alternatively, consult the grub.conf.sample that
# is included with the Grub documentation.

default 0
timeout 30
#splashimage=(hd0,0)/boot/grub/splash.xpm.gz

title Gentoo Linux 3.6.11
root (hd0,0)
kernel /boot/kernel-3.6.11-gentoo root=/dev/sda2
#initrd /boot/initramfs-genkernel-x86-2.6.24-gentoo-r5

title Windows 7 Ultimate
rootnoverify (hd0,2)
makeactive
chainloader +1

title BackTrack 5-r3
root(hd0,5)
kernel /boot/vmlinuz-3.2.6 root=/dev/sda6
initrd   /boot/initrd.img-3.2.6



And this is the grub.cfg that backtrack give to me....

Code:
#
# DO NOT EDIT THIS FILE
#
# It is automatically generated by /usr/sbin/grub-mkconfig using templates
# from /etc/grub.d and settings from /etc/default/grub
#

### BEGIN /etc/grub.d/00_header ###
if [ -s $prefix/grubenv ]; then
  load_env
fi
set default="0"
if [ ${prev_saved_entry} ]; then
  set saved_entry=${prev_saved_entry}
  save_env saved_entry
  set prev_saved_entry=
  save_env prev_saved_entry
  set boot_once=true
fi

function savedefault {
  if [ -z ${boot_once} ]; then
    saved_entry=${chosen}
    save_env saved_entry
  fi
}

function recordfail {
  set recordfail=1
  if [ -n ${have_grubenv} ]; then if [ -z ${boot_once} ]; then save_env recordfail; fi; fi
}
if [ ${recordfail} = 1 ]; then
  set timeout=-1
else
  set timeout=10
fi
### END /etc/grub.d/00_header ###

### BEGIN /etc/grub.d/05_debian_theme ###
set menu_color_normal=white/black
set menu_color_highlight=black/light-gray
### END /etc/grub.d/05_debian_theme ###

### BEGIN /etc/grub.d/10_linux ###
menuentry 'Ubuntu, with Linux 3.2.6' --class ubuntu --class gnu-linux --class gnu --class os {
   recordfail
   insmod ext2
   set root='(hd0,6)'
   search --no-floppy --fs-uuid --set 5b0cc55a-7312-451f-b9cb-27ebe8720513
   linux   /boot/vmlinuz-3.2.6 root=UUID=5b0cc55a-7312-451f-b9cb-27ebe8720513 ro   text splash vga=791
   initrd   /boot/initrd.img-3.2.6
}
menuentry 'Ubuntu, with Linux 3.2.6 (recovery mode)' --class ubuntu --class gnu-linux --class gnu --class os {
   recordfail
   insmod ext2
   set root='(hd0,6)'
   search --no-floppy --fs-uuid --set 5b0cc55a-7312-451f-b9cb-27ebe8720513
   echo   'Loading Linux 3.2.6 ...'
   linux   /boot/vmlinuz-3.2.6 root=UUID=5b0cc55a-7312-451f-b9cb-27ebe8720513 ro single
   echo   'Loading initial ramdisk ...'
   initrd   /boot/initrd.img-3.2.6
}
### END /etc/grub.d/10_linux ###

### BEGIN /etc/grub.d/20_memtest86+ ###
menuentry "Memory test (memtest86+)" {
   insmod ext2
   set root='(hd0,6)'
   search --no-floppy --fs-uuid --set 5b0cc55a-7312-451f-b9cb-27ebe8720513
   linux16   /boot/memtest86+.bin
}
menuentry "Memory test (memtest86+, serial console 115200)" {
   insmod ext2
   set root='(hd0,6)'
   search --no-floppy --fs-uuid --set 5b0cc55a-7312-451f-b9cb-27ebe8720513
   linux16   /boot/memtest86+.bin console=ttyS0,115200n8
}
### END /etc/grub.d/20_memtest86+ ###

### BEGIN /etc/grub.d/30_os-prober ###
menuentry "Gentoo Linux 3.6.11 (on /dev/sda2)" {
   insmod ext2
   set root='(hd0,1)'
   search --no-floppy --fs-uuid --set a78709d5-38f3-4656-b999-a8f873f051f2
   linux /boot/kernel-3.6.11-gentoo root=/dev/sda2
}
menuentry "Windows 7 (loader) (on /dev/sda3)" {
   insmod ntfs
   set root='(hd0,3)'
   search --no-floppy --fs-uuid --set 781673C716738542
   chainloader +1
}
### END /etc/grub.d/30_os-prober ###

### BEGIN /etc/grub.d/40_custom ###
# This file provides an easy way to add custom menu entries.  Simply type the
# menu entries you want to add after this comment.  Be careful not to change
# the 'exec tail' line above.
### END /etc/grub.d/40_custom ###


How can I use grub.cfg information and pass it to grub.conf? The boot paste from backtrack is:
# ls /media/boot/
config-3.2.6 initrdf.img-3.2.6 initrds.img-3.2.6 System.map-3.2.6
grub initrd.img-3.2.6 memtest86+.bin vmlinuz-3.2.6


Last edited by caaarlos on Mon Jan 07, 2013 1:24 pm; edited 1 time in total
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audiodef
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Joined: 06 Jul 2005
Posts: 6639
Location: The soundosphere

PostPosted: Sun Jan 06, 2013 3:13 pm    Post subject: Reply with quote

You say you don't want to use grub.cfg from backtrack. Why not set up grub2 from Gentoo? I've never used backtrack, but I'm guessing this approach might solve it. grub2-mkconfig is pretty good at finding OS's as long as the kernels are named according to grub2 convention, which you seem to already have done.
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caaarlos
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Joined: 27 Apr 2012
Posts: 155

PostPosted: Mon Jan 07, 2013 1:24 pm    Post subject: Reply with quote

Great suggestion I did it! Grub2 found all my system. I did it following this tutorial "http://www.gentoo.org/doc/en/grub2-migration.xml"
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