[CentOS] Is it possible/advisable to run CentOS 4.4 and 5.0 onthe same box

[Russ]

Doesn't centos 5 include xen?  Wouldn't that be faster then VMware server?  

Russ
Sent wirelessly via BlackBerry from T-Mobile.  

-----Original Message-----
From: Warren Young <warren at etr-usa.com>
Date: Thu, 17 May 2007 13:56:13 
To:CentOS mailing list <centos at centos.org>
Subject: Re: [CentOS] Is it possible/advisable to run CentOS 4.4 and 5.0 on
	the	same box

Mark Hull-Richter wrote:
> We are in the process of transiting from 4.4 to 5.0 and I may need to
> be able to switch back and forth for a while.  Is it possible (or
> advisable) to run both 4.4 and 5.0 on the same machine, or does that
> involve a lot of reinstalling/repartitioning and a fair amount of pain
> (I have only one disk on the test machine for this purpose).

If it's just for the purpose of supporting software, I'd use some kind 
of virtualization and put 4.x in a VM hosted by 5.x.  The only time you 
need a real machine (instead of a VM) is when you have some hardware 
level requirement.

I use VMware's free VMware Server to keep many Linuxen around, which I 
need so I can build RPMs for each of the many platforms we have in the 
field.  Once you have a VM solution set up, you find that you then 
create still more VMs for testing and so on.  It's liberating.
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