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Old 12-02-2006, 04:41 AM   #1
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Registered: Nov 2006
Posts: 14

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Fedora Core 6 and RHEL 4 AS booting issue.

Hi Guys.

I have installed Fedora Core 6 on my P4 1.7Ghz,512Ram and 80 gig harddrive. I've also installed RHEL 4 AS (without bootloader).
Now I wan't to add RHEL on grub bootloader. Can you guyz help me out? I have already read the different solutions on this forum but I can't figure it out . I've installed the OSs in the partition listed below:


/dev/hda1 ext3 /boot 100 mb (Fedora Core 6)
/dev/hda2 ext3 / 36500 mb (Fedora Core 6)
/dev/hda3 swap 1024 mb (Fedora Core 6)

Extended Partition /dev/hda4
/dev/hda5 ext3 / 37500 mb (RHEL 4 AS)
/dev/hda6 swap / 1184 mb (RHEL 4 AS)

Existing grub loader configuration which is installed by FC6 listed below :

# grub.conf generated by anaconda
# Note that you do not have to rerun grub after making changes to this file
# NOTICE: You have a /boot partition. This means that
# all kernel and initrd paths are relative to /boot/, eg.
# root (hd0,0)
# kernel /vmlinuz-version ro root=/dev/hda2
# initrd /initrd-version.img
title Fedora Core (2.6.18-1.2798.fc6)
root (hd0,0)
kernel /vmlinuz-2.6.18-1.2798.fc6 ro root=LABEL=/ rhgb quiet
initrd /initrd-2.6.18-1.2798.fc6.img

P.S : The RHEL 4 AS kernel version is 2.6.9-5.EL

Please help me out in this matter.


Old 12-02-2006, 04:53 AM   #2
Simon Bridge
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Registered: Oct 2003
Location: Waiheke NZ
Distribution: Ubuntu
Posts: 9,211

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Add lineslike the following to the bottom of grub.conf
title RHEL4 (2.6.9-5.EL)
root (hd0,4)
kernel /vmlinuz-2.6.9-5.EL ro root=LABEL=/ rhgb quiet
initrd /initrd-2.6.9-5.EL.img
You may need to change the initrd name in the last line (because I'm guessing), and the root= could be better as root=/dev/hda5 ...

Of course, why you would want to pay for the enterprise version as well as install fedora is beyond me... and your business entirely.

Last edited by Simon Bridge; 12-02-2006 at 04:55 AM.
Old 12-03-2006, 03:05 AM   #3
LQ Newbie
Registered: Nov 2006
Posts: 14

Original Poster
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Thanks for the reply Simon.


Hey by the way I am a engineer in an ISP and am learning linux and both distro has already been bought by our company, so I am doing some R&D on that.

Once again thanks for everything.

Old 12-03-2006, 04:35 PM   #4
Simon Bridge
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Registered: Oct 2003
Location: Waiheke NZ
Distribution: Ubuntu
Posts: 9,211

Rep: Reputation: 198Reputation: 198
Oh, I forgot, this all assumes that the RHEL kernel and initrd are in the boot artition (hda1) and this is shared by the two OS's.

What's this? Company want's to know if RHEL is worth the support cost or if you can support Fedora without outside assistance?

Fedora and RHEL are very different to maintain - have fun.

See also:

Last edited by Simon Bridge; 12-03-2006 at 04:36 PM.


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