[ale] Red Hat upgrades?

[K Phillips]

The only safe route for such an upgrade is a clean install. Jumping from rhel5 to rhel6 is like going from fedora7 to 12 in one step. Although it's theoretically possible to go from 5.6 to 6.0, it's a messy and dangerous process at best (I've tried it, the results weren't good).

Even worse if you try to go from rhel4 to rhel6 - that's 7+ years of technology changes between them. 

Kaerka

On Jul 1, 2011, at 4:13 PM, James Sumners <james.sumners at gmail.com> wrote:

> On Fri, Jul 1, 2011 at 3:57 PM, Lightner, Jeff <JLightner at water.com> wrote:
>> Is the correct version of RHEL4 showing up in /etc/redhat-release and /etc/issue?   Sometimes people change the former to allow 3rd party applications such as Oracle to install because they check the file.  Usually what is in /etc/issue (for RHEL at least) isn't checked so it often has the correct information even if /etc/redhat-release has been changed.
> 
> Yes. In fact I did an upgrade to 4.9 just before rebooting to do the
> upgrade. Neither file has been altered by anyone other than RPM.
> 
> -- 
> James Sumners
> http://james.roomfullofmirrors.com/
> 
> "All governments suffer a recurring problem: Power attracts
> pathological personalities. It is not that power corrupts but that it
> is magnetic to the corruptible. Such people have a tendency to become
> drunk on violence, a condition to which they are quickly addicted."
> 
> Missionaria Protectiva, Text QIV (decto)
> CH:D 59
> 
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