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How do I upgrade a REDHAT E4 WS install - to ES?

I have 15 machines that I just licensed for Redhat ES.  Unfortunately the up2date program does not work for them because  they are all running WS.
Tech Support told me a (non supported) way to take care of this would be to install the ES package.  How do I do this?  Which package do I download?  Can you point me to it?
Then I run rpm -e redhat release ?

Thanks!
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bjmorse
Asked:
bjmorse
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1 Solution
 
wesly_chenCommented:
If you have RHEL ES CDs, the find the file
/mnt/cdrom/RedHat/RPMS/redhat-release-3ES-x.x.x.i386.rpm   (x.x.x is the package version number)
or
/mnt/cdrom/RedHat/RPMS/redhat-release-4ES-x.x.x.i386.rpm

Then run
rpm -Uvh /mnt/cdrom/RedHat/RPMS/redhat-release-*ES-*.i386.rpm
and
reboot your machine.

After reboot, do
cat /etc/redhat-release
cat /var/lib/supportinfo

To see if it gives you the information like ES...
Then run "up2date --register" and "up2date" again.
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wesly_chenCommented:
Or other simple way is copy all files on RHEL ES CDs on the NFS share system.
Then cd to the all the rpm file directory and run

rpm -Fvh /path-to-all-rpm-files/*.rpm

Before you do that, make sure your ES version is newer than the your existing WS.
So download RHEL ES 3.0 Update 7 or RHEL ES 4 Update 3 CD ISO files from http://rhn.redhat.com/ first.
Then covert those ISO files into CD (burning it).
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