[CentOS] Grub upgrade for CentOS 5.5?

Mon Jan 3 22:35:57 UTC 2011
Daniel J Walsh <dwalsh at redhat.com>

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On 01/03/2011 06:42 AM, Ron Blizzard wrote:
> On Mon, Jan 3, 2011 at 5:09 AM, Ned Slider <ned at unixmail.co.uk> wrote:
>> Yes, I installed rhel6's grub to the rhel6 /boot partition during the
>> rhel6 installation and then added a chainloader entry to the end of the
>> CentOS-5 /boot/grub/grub.conf to boot rhel6:
>> title RHEL6 Buildsys
>>         rootnoverify (hd0)
>>         root (hd0,1)
>>         chainloader +1
>> Adjust to suit your partitioning scheme :-)
> That's all it needed. Thanks. Writing from Red Hat now. Would have
> been here sooner, except SELinux did a "relabel" -- whatever that is.
> Probably didn't like me messing with grub. I thought I could do a
> "normal" Linux grub entry (like CentOS) but I got an grub error number
> 2 when I tried that (13 with the chainloader, which makes sense since
> I didn't have grub there). I'll use the chainloader from now on when I
> tri-boot.
> Thanks very much.
If you boot a machine with SELinux disabled and then renenable it, the
init scripts will relabel the machine.
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