Re: Reqst: How get Fedora to boot
From: Daeron (daeron_at_some.net)
Date: 12/30/04
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Date: Fri, 31 Dec 2004 03:44:02 +1100
Charles Sullivan wrote:
> On Thu, 30 Dec 2004 19:58:48 +1100, Daeron wrote:
>> Can someone please tell me which Linux utility Fedora is meant to write
>> to its MBR with, and how to use it.
>>
>> I looked at the "grub" thing & used "grub-install" - - I was hoping it
>> would install a bootloader type thing but instead has installed "grub" as
>> some kind of limited command line that is only usable if you know what
>> names Linux calles things by.
>>
>> I just want one of these Linux drives to be able to boot;
>> can any Linux user please help.
>
> Perhaps I'm misunderstanding, but how would a system boot from
> the MBR of a second drive? The system is always going to start at
> the MBR of the first drive (unless your BIOS has an option to do
> otherwise).
** In short ** The First drive's MBR points to it's OS's & any other drives,
the MBR on the other drives should at least know about the OS on that
drive. I can not recall any OS installation routine that has ever installed
itself without ensuring the drive it was on was bootable.
Also as it happens,
Yes the BIOS does allow one to boot from the second or any specified MBR;
However that is only a fallback trouble-shooting tool. But did allow me to
verify that the Fedora install had left the drive un-bootable.
> The bootloader on the first drive should then point
> to the root partition of the OS in question on the second drive.
> No?
No.
Bad Management: That would special treatment for the Linux system; it &
only it is allowed to write to the primary MBR. Both un-enforcable and:
Dangerous Practice: That would mean any time some other system such as Mr
Gates weapons, wrote to the Primary MBR that the Linux system would become
unbootable.
> Grub displays a menu of OS choices on my system, where I have
> three OSes on three different drives, and I just have to move
> the cursor up or down and hit Enter for the one I want to boot.
Yes, thanks I just need the MBR on the drive to boot the Linux system;
no need for it to do anything else.
From what I've been able to find out, aparantly the Linux BootManager has
to be able to point the system not only at a certain drive or MS-Dos
partition, but at a specific file inside a specific MS-Dos partition --
which is different for each version of the Linux kernel?
Fedora seems to count drives & partitions from One instead of Zero?
And calls drives by 'Letter" instead of number?
If my reading of the docs I've been able to find is correct;
I believe the Fedora name for the 'kernel' is:
/dev/hdb1 (wehich is mounted at /boot) and the file is:
/boot/vmlinuz-2.6.9-1.667
If this is all correct, can you or someone please tell me how to get it to
write the required bootmanager to the drives own MBR.
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