Old kernel version in use even after upgrade. Please suggest.

Hi,

We recently upgraded a server running RHEL AS3 Update3 to
Update5.
We have used yum to update.
I could confirm the upgrade by looking at the
/etc/redhat-release file.

# more /etc/redhat-release
Red Hat Enterprise Linux AS release 3 (Taroon Update 5)

However the kernel version shown for the uname -a command
looks to be still
old.

# uname -a
Linux bngddia6 2.4.21-20.EL #1 SMP Wed Aug 18 20:30:22 EDT
2004 ia64 ia64
ia64 GNU/Linux

# rpm -qa | grep kernel
kernel-2.4.21-20.EL
kernel-2.4.21-32.EL
kernel-utils-2.4-8.37.12
kernel-source-2.4.21-32.EL
kernel-source-2.4.21-20.EL


How do I change this.  Please suggest.

Thanks & Regards
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On Thu, Jun 22, 2006 at 04:10:36PM +0530, unix syzadmin
wrote:
> We recently upgraded a server running RHEL AS3 Update3
to Update5.
> We have used yum to update.

Red Hat has never supported this.  RHEL AS does not ship
with yum and
doesn't use yum for updates. 

> I could confirm the upgrade by looking at the
/etc/redhat-release file.
> 
> # more /etc/redhat-release
> Red Hat Enterprise Linux AS release 3 (Taroon Update 5)
> 
> However the kernel version shown for the uname -a
command looks to be still
> old.
> 
> # uname -a
> Linux bngddia6 2.4.21-20.EL #1 SMP Wed Aug 18 20:30:22
EDT 2004 ia64 ia64
> ia64 GNU/Linux
> 
> # rpm -qa | grep kernel
> kernel-2.4.21-20.EL
> kernel-2.4.21-32.EL
> kernel-utils-2.4-8.37.12
> kernel-source-2.4.21-32.EL
> kernel-source-2.4.21-20.EL
> 
> How do I change this.  Please suggest.

For starters, use up2date - it does what it's supposed to
do.  To fix
the current situation, edit /etc/grub.conf and change the
default kernel
entry.

        .../Ed

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Ed Wilts, RHCE
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mailto:ewiltsewilts.org
Member #1, Red Hat Community Ambassador Program

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On Thu, 22 Jun 2006, unix syzadmin wrote:

> Hi,
>
> We recently upgraded a server running RHEL AS3 Update3
to Update5.
> We have used yum to update.
> I could confirm the upgrade by looking at the
/etc/redhat-release file.
>
> # more /etc/redhat-release
> Red Hat Enterprise Linux AS release 3 (Taroon Update 5)
>
> However the kernel version shown for the uname -a
command looks to be still
> old.
>
> # uname -a
> Linux bngddia6 2.4.21-20.EL #1 SMP Wed Aug 18 20:30:22
EDT 2004 ia64 ia64
> ia64 GNU/Linux
>
> # rpm -qa | grep kernel
> kernel-2.4.21-20.EL
> kernel-2.4.21-32.EL
> kernel-utils-2.4-8.37.12
> kernel-source-2.4.21-32.EL
> kernel-source-2.4.21-20.EL
>
>
> How do I change this.  Please suggest.

Did you reboot after the update?
--
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yum and up2date do the same thing.  They install rpms. 
updating your rpms
using up2date should have the same outcome as updating using
yum.  We use
yum for all of our updates and have no problems.

I suspect Mike is correct and you'll need to reboot to pick
up the new
kernel.  It would be wise to check /etc/grub.conf as well
just to make sure
the rpm did everything correctly.

On 6/22/06, Mike Burger <mburgerbubbanfriends.org>
wrote:
>
> On Thu, 22 Jun 2006, unix syzadmin wrote:
>
> > Hi,
> >
> > We recently upgraded a server running RHEL AS3
Update3 to Update5.
> > We have used yum to update.
> > I could confirm the upgrade by looking at the
/etc/redhat-release file.
> >
> > # more /etc/redhat-release
> > Red Hat Enterprise Linux AS release 3 (Taroon
Update 5)
> >
> > However the kernel version shown for the uname -a
command looks to be
> still
> > old.
> >
> > # uname -a
> > Linux bngddia6 2.4.21-20.EL #1 SMP Wed Aug 18
20:30:22 EDT 2004 ia64
> ia64
> > ia64 GNU/Linux
> >
> > # rpm -qa | grep kernel
> > kernel-2.4.21-20.EL
> > kernel-2.4.21-32.EL
> > kernel-utils-2.4-8.37.12
> > kernel-source-2.4.21-32.EL
> > kernel-source-2.4.21-20.EL
> >
> >
> > How do I change this.  Please suggest.
>
> Did you reboot after the update?
> --
> Mike Burger
> http://www.bubbanfriends
.org
>
> Visit the Dog Pound II BBS
> telnet://dogpound2.citadel.org or http://dogpound2.citadel
.org
>
> To be notified of updates to the web site, visit
> http://www.bubbanfriends.org/mailman/listinfo/site-upda
te, or send a
> message to:
>
> site-update-requestbubbanfriends.org
>
> with a message of:
>
> subscribe
>
> --
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ttps://www.redhat.com/mailman/listinfo/redhat-list
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     Hi,
Check the file  /boot/grub/grub.conf
Check defaults=0/---
Value should be depend which kernel version you want to use.
--reboot you will be rebooted with new kernel version.

Shankar RHCE


On 6/23/06, Russell Harrison <rtlm10gmail.com> wrote:
>
> yum and up2date do the same thing.  They install rpms. 
updating your rpms
> using up2date should have the same outcome as updating
using yum.  We use
> yum for all of our updates and have no problems.
>
> I suspect Mike is correct and you'll need to reboot to
pick up the new
> kernel.  It would be wise to check /etc/grub.conf as
well just to make
> sure
> the rpm did everything correctly.
>
> On 6/22/06, Mike Burger <mburgerbubbanfriends.org> wrote:
> >
> > On Thu, 22 Jun 2006, unix syzadmin wrote:
> >
> > > Hi,
> > >
> > > We recently upgraded a server running RHEL
AS3 Update3 to Update5.
> > > We have used yum to update.
> > > I could confirm the upgrade by looking at the
/etc/redhat-release
> file.
> > >
> > > # more /etc/redhat-release
> > > Red Hat Enterprise Linux AS release 3 (Taroon
Update 5)
> > >
> > > However the kernel version shown for the
uname -a command looks to be
> > still
> > > old.
> > >
> > > # uname -a
> > > Linux bngddia6 2.4.21-20.EL #1 SMP Wed Aug 18
20:30:22 EDT 2004 ia64
> > ia64
> > > ia64 GNU/Linux
> > >
> > > # rpm -qa | grep kernel
> > > kernel-2.4.21-20.EL
> > > kernel-2.4.21-32.EL
> > > kernel-utils-2.4-8.37.12
> > > kernel-source-2.4.21-32.EL
> > > kernel-source-2.4.21-20.EL
> > >
> > >
> > > How do I change this.  Please suggest.
> >
> > Did you reboot after the update?
> > --
> > Mike Burger
> > http://www.bubbanfriends
.org
> >
> > Visit the Dog Pound II BBS
> > telnet://dogpound2.citadel.org or http://dogpound2.citadel
.org
> >
> > To be notified of updates to the web site, visit
> > http://www.bubbanfriends.org/mailman/listinfo/site-upda
te, or send a
> > message to:
> >
> > site-update-requestbubbanfriends.org
> >
> > with a message of:
> >
> > subscribe
> >
> > --
> > redhat-list mailing list
> > unsubscribe mailto:redhat-list-requestredhat.com?subject=unsubscribe
> > h
ttps://www.redhat.com/mailman/listinfo/redhat-list
> >
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