> Dear Redhat Users, I have two question about Redhat Linux updating procedure.
> First: Is it possible to update the server's major version, like from RHEL4
> to RHEL5, online?

A clean install is recommended for upgrades between major releases.

And the second, what should i do to update my server if it
> is not connected to internet.
> For additional information: I'm running RHEL AS4 on two machines, one is the
> "real" server and it is not online, and the second one is "testing" server
> which is online.
> I'm new to Redhat , and any help will be appreciated.

If you want to use Red Hat supported software use RHN Satellite. If you
are OK with something free/open source, you can use mrepo.

Hope this helps.

Barry

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