the VERY VERY VERY hard way
you manually look for everything an manually install
and PRAY that you do not KILL ( read as FUBAR) the install of RHEL 5
doing that is likely to royally mess up the rhel5 install
it is NOT RECOMMENDED
there is a reason "yum" is used it takes care of the dependencies
seeing as this IS RHEL5 you do have a paid for support contract
use it
http://www.redhat.com/support/
you might also want to read the red hat documentation
https://access.redhat.com/knowledge/...erprise_Linux/