[CentOS] 5.4 kernel versions?

Yeah! I agree you !
If you get the newer kernel , you should reboot the computer ,then the OS
will read the file called /etc/grub.conf
That file decide which kernel  you login ~~




On Sat, Oct 31, 2009 at 3:44 AM, NiftyCluster Tom Mitchell <
niftycluster at niftyegg.com> wrote:

> On 10/30/09, Rob Kampen <rkampen at kampensonline.com> wrote:
> > Please excuse a possibly dumb question.
> > Prior to the release of CentOS 5.4 I believe two updated 5.4 kernels
> > were released as part of 5.3
> > 2.6.18-164.el5 and 2.6.18-164.2.1.el5
> > Now that 5.4 is released we have just the 2.6.18-164.el5 kernel.
> > Now the dumb question - what happened to the updated kernel?
> > I now have workstations running 5.4 with the 164.2.1.el5 as they get yum
> > update run regularly, however I do not reboot my servers as often and
> > now find these do not have the later kernel.
> > If some kind soul would please enlighten me.....
> > Rob
>
> If you do not reboot the new kernel never activates.
>
> Almost the same with libs and binaries.
> If an old binary is running then the update is not magically activated.
> For libs and binaries it is possible that the old buggy bits to
> continue to run at the same time that new version is available or
> running.   Some interesting actions with programs like
> firefox, apache, python and other plugin friendly programs might be
> observed.
>
> Some programs/ services like sshd do force a restart on the live system
> to side step some of these risks when reinstalled or updated.
>
> It does pay to inspect the announcements, change log and release notes
> so a reboot
> is not delayed and the system left open to risk.
>
> --
>        NiftyCluster
>        T o m   M i t c h e l l
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>
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