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RE: HP Trap Alerts



I finally got around to looking at this again. Here is part of my
grub.conf.

default=1
timeout=5
splashimage=(hd0,0)/grub/splash.xpm.gz
hiddenmenu
title Red Hat Enterprise Linux AS (2.6.9-34.0.2.EL)
        root (hd0,0)
        kernel /vmlinuz-2.6.9-34.0.2.EL ro root=/dev/VolGroup00/LogVol00
rhgb q
        initrd /initrd-2.6.9-34.0.2.EL.img
title Red Hat Enterprise Linux AS (2.6.9-34.0.2.ELsmp)
        root (hd0,0)
        kernel /vmlinuz-2.6.9-34.0.2.ELsmp ro
root=/dev/VolGroup00/LogVol00 rhg
        initrd /initrd-2.6.9-34.0.2.ELsmp.img
title Red Hat Enterprise Linux AS (2.6.9-34.EL)
        root (hd0,0)
        kernel /vmlinuz-2.6.9-34.EL ro root=/dev/VolGroup00/LogVol00
rhgb quiet
        initrd /initrd-2.6.9-34.EL.img
title Red Hat Enterprise Linux AS (2.6.9-34.ELsmp)
        root (hd0,0)
        kernel /vmlinuz-2.6.9-34.ELsmp ro root=/dev/VolGroup00/LogVol00
rhgb qu
        initrd /initrd-2.6.9-34.ELsmp.img

As you can see the default is 1 and hiddenmenu is turned on. Would the
next oldest kernel be 2 or 3? Line 2 is the ELsmp but line 3 looks like
the next oldest kernel.

Paul Crittenden
Computer Systems Manager
Simpson College
Phone: 515-961-1680
Email: paul crittenden simpson edu

-----Original Message-----
Message: 3
Date: Thu, 27 Jul 2006 19:08:01 +0200
From: David Tonhofer
Subject: Re: HP Trap Alerts
To: General Red Hat Linux discussion list <redhat-list redhat com>
Message-ID: <44C8F2F1 9000708 m-plify com>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed

Paul Crittenden wrote:
> I know
> we used to be able to choose which kernel to boot, although I don't
know
> for sure if it was available in RHE 4.0. How can I go back to an older
> kernel and see if this fixes my problem? Does anyone have any other
> suggestions.
>
>   

Hi Paul,

Going back to an older kernel sounds good

In principle, the GRUB boot menu should allow you to choose the kernel. 
Immediately after
the BIOS has handed control over to the boot loader, you have a couple 
of seconds to
hit a button, then you can select an earlier kernel manually.

For permanent selection, edit "/boot/grub/grub.conf" and edit the 
"default" index value to your
desired kernel as described here:

http://www.gnu.org/software/grub/manual/grub.html#default

-- David



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