Since you sound committed to using RHL9, be sure to look into using fedoralegacy.org for post
End of Life RHL9 security and critical bug fix errata packages.
I just updated an old RHL9 installation that already had all official RedHat updates applied and was very impressed with the number of updates available at fedoralegacy.org, including a kernel update.
Also, they have a version of yum for use with RHL9 that makes updating very pleasant:
http://download.fedoralegacy.org/red...acy.noarch.rpm