[rhn-users] Upgrading RH ES 3 -> ES 4

[Charith Perera]

Matthew,

I don't know if this will answer your question. However, Redhat seems to 
suggest a fresh install rather than an upgrade. I didn't look into it very 
much, but I'm not sure if you'll be able to change the subscription for the 
machine from RHEL3 to RHEL4 and do an up2date.

http://www.redhat.com/software/rhel/faq/#17

Charith.


On Wednesday 16 February 2005 9:04 am, Matthew Hardy wrote:
> Hi,
>
> Is it possible/safe to do a live upgrade from RedHat ES 3 -> ES 4?
> Version 4 has some new libraries and such that some of our software
> really requires.  However, I'm not sure how different the two systems
> are?  If the kernel is updated, etc., can the whole system be upgraded
> (live) to the new version?  Server is remote, so complete reinstall is
> out of the question.
>
> If it is safe, do I just change my subscriptions for that server to
> version 4 and let up2date handle it?
>
> Thanks,
>
> Matthew
>
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