Just in case you want the steps:-
Steps to convert a CentOS5 system to RHEL5
SYSTEM=<hostname>
ARCH=i386|x86_64
ssh $SYSTEM
rpm -e --nodeps centos-release
rpm --import RPM-GPG-KEY-redhat-release
rpm -ivh rhn-setup-0.4.19-17.el5.noarch.rpm
rhn-client-tools-0.4.19-17.el5.noarch.rpm rhnsd-4.6.1-1.el5.$ARCH.rpm \
rhn-check-0.4.19-17.el5.noarch.rpm
yum-rhn-plugin-0.5.3-30.el5.noarch.rpm rhnlib-2.2.6-2.el5.noarch.rpm \
pyOpenSSL-0.6-1.p24.7.2.2.$ARCH.rpm \
redhat-release-5Server-5.3.0.3.$ARCH.rpm
rhn_register
Follow the prompts, after registering the system with redhat:-
yum -y update
Regards
Phil.
Filipe Brandenburger wrote:
> Hi,
>
> On Mon, Jun 15, 2009 at 23:27, Paul Johnson<pauljohn32 at gmail.com> wrote:
>
>> Yes. If you get the release rpm files correct and fix your
>> repositories, it will be OK. [...]
>>
>> Instead of listening to people tell you they don't think it can be
>> done, you should just try to make it work and see!
>>
>
> You really miss the point... The whole reason of using RHEL instead of
> CentOS is Red Hat's support. If you don't need or have their support,
> using RHEL is actually *worse* than using CentOS, as you won't have
> updates.
>
> On the other hand, if you call Red Hat to ask for help to fix an issue
> and it turns out they find out you "upgraded" a CentOS into a Red Hat
> server, they will certainly refuse to help you (and would be right to
> do it).
>
> If you really need Red Hat, you should do a clean install. Period.
> Upgrading from any other existing Linux install would be the same as
> aiming the shotgun towards your own foot...
>
> HTH,
> Filipe
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