[CentOS] (re)load new kernel with rebooting host node?

Mathew S. McCarrell mccarrms at gmail.com
Wed Dec 2 20:36:02 UTC 2009

On Wed, Dec 2, 2009 at 2:22 PM, Rudi Ahlers <Rudi at softdux.com> wrote:

> Hi all,
> Is it possible to reload the dom0 / host node's kernel with a newer
> one, without rebooting the server? I know kexec can do something like
> this for security patches, but I don't know much about kexec, and I
> don't want to mess up a production server either. So, has anyone done
> something like this before? I need to load a new kernel for one of the
> domU's iptables to work, but don't want to reboot the whole server and
> cause downtime for the other domU's.

Mathew S. McCarrell
Clarkson University '10

mccarrms at gmail.com
mccarrms at clarkson.edu
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