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On rhel 5.3 I want to update to kernel version "2.6.18-128.8.1.el5" due to a security patch.

when performing:

<code>yum check-update | grep kernel
kernel.x86_64                            2.6.18-164.2.1.el5     rhel-x86_64-server-5
kernel-devel.x86_64                      2.6.18-164.2.1.el5     rhel-x86_64-server-5
kernel-headers.x86_64                    2.6.18-164.2.1.el5     rhel-x86_64-server-5
</code>

But 2.6.18-164.2.1.el5 correspond to rhel 5.4, and I dont want to move to this version, I want to keep rhel 5.3.

I tried yum update kernel-2.6.18-128.8.1

But it seems to be the wrong way. How could I update the server to this specific kernel version?

You are on the right track. You just didn't specify the kernel version the way yum expects it. The correct command would be

yum install kernel-2.6.18-128.8.1.el5

(Note that kernel packages are not updates for each other, each of them is a separate install, and the old ones remain until you run "rpm -e".)

For compatibility with a program :

• I need to keep one of our servers in a specific version, for example rhel 5.1
• I would like to keep it as updated as possible, but not to change versions.

What should I do:

Configure yum?
Configure satellite repository?

Solution:

<code>$ rpm -qf /etc/redhat-release<br />redhat-release-5Server-5.3.0.3<br /></code>

<code>[main]<br />exclude=redhat-release-5Server-*<br /></code>