1) runInstaller doesn’t recognize CentOS 5.2.
Solution: ./runInstaller -ignoreSysPreReqs
2) runInstaller died after it said "libXp.so.6 not found"
Solution: yum install libXp
3) opmn start HTTP server, failed with "libdb.so.2 not found"
Solution: ln -s /usr/lib/libgdbm.so.2.0.0 /usr/lib/libdb.so.2
more info to come.. right?