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Old 08-14-2010, 10:21 AM   #1
Dhanasekaran R
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Question How to triple boot XP, Ubuntu, RHEL 5.4

* I am trying to triple boot XP, Ubuntu, RHEL 5.4, but unable to bring every thing in boot loader.
* It loads XP with Ubuntu successfully or XP with RHEL 5.4 but not all the three.
* when I install XP followed by Ubuntu then RHEL, I am not having a primary partition to install RHEL. It stops there.
* I tried to copy the kernel path of ubuntu from grub.cfg in ubuntu and tried to edit in grub.conf file of rhel and added an entry but it displays in boot loader [start screen where it displays all OS listed] but unable to boot ubuntu [unable to load ubuntu kernel].

Current situation reformat all Linux partitions and installed Ubuntu with below partition. installed successful. But rhel not installed due to error.

Partition table:

/dev/hda1 > XP [primary patition][can boot and work]
/dev/hda2 > Ubuntu [primary patition][can boot and work]
/dev/hda5 > swap for ubuntu [secondary partition]
I cannot create /boot/ or / partition for RHEL to make it getting an error no primary partition available.... [cannot install RHEL]

system configuration
> P4 with 512 RAM, 80 GB IDE

Need Help Please

Last edited by Dhanasekaran R; 08-14-2010 at 10:32 AM. Reason: not provided partition information and system config
Old 08-14-2010, 10:31 AM   #2
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You are aware that Ubuntu uses Grub 2 and RHEL uses Grub 1? I suspect the configuration needs to be different however you might be able to make RHEL 5.4's bootloader chainload to grub 2 for ubuntu... however I think it would be better the other way around, having grub 2 as the bootloader for both (do a grub-install using the live image on the ubuntu disc)... also have you paid for a support license from Red Hat? If not then RHEL 5.4 is gunna be rather lacking
Old 08-14-2010, 10:56 AM   #3
Dhanasekaran R
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Thanks for your quick reply.
* I am just doing my RHEL certification. The RHEL is not licensed.
* Is there any thing with installing sequence. Which OS sud be installed first.
* I know that Ubuntu use GRUB2 and RHEL use GRUB1 but not much about the differences.
* I will try to use GRUB2 as bootloader as per ur suggestion, tonight.
* however can you help me understand why it displays an error while installing stating that it wants a primary partition. till now I have only two primary partitions as and dev/hda2.
* why cant I install RHEL in dev/hda3 and I still have 30 GB free space.

** Only RHEL 5.4 installs in my computer. I tried earlier with 5.0/5.3 which I cannot install in my computer. [only the blue screen displays stating redhat at the top. after loading SATA diver.....]

Last edited by Dhanasekaran R; 08-14-2010 at 11:00 AM.
Old 08-14-2010, 12:57 PM   #4
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You will probably be better off using Grub2, newer and can do more. I have not used it myself so have no advice other than to suggest you read the links below:

Could you post your partition information, as root: fdisk -l (lower case Letter L)
Old 08-14-2010, 01:21 PM   #5
Dhanasekaran R
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Results of su fdisk -l from Ubuntu

Disk /dev/sda: 80.0 GB, 80026361856 bytes

Device Boot Start End Blocks Id System
/dev/sda1 * 1 1275 10241406 7 HPFS/NTFS
/dev/sda2 1276 5531 34179072 83 Linux
/dev/sda3 5531 5655 999425 5 Extended
/dev/sda5 5531 5655 999424 82 Linux swap / Solaris


Can I install RHEL without grub??? So the boot loader will be GRUB2. And will it boot windows xp and RHEL also?????


Thank you

Last edited by Dhanasekaran R; 08-14-2010 at 01:38 PM.


boot, triple

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