When installing 10g OID on OEL5, if you run into the following error, you can run the below commands to address the issue:

Error:

OPMN HTTP process fails to start.  When you look in the log file, it says:
/Apache/Apache/bin/httpd: error while loading shared libraries: libdb.so.2: cannot open shared object file:  No such file or directory

To fix, run the following commands:

# ln -s /usr/lib/libgdbm.so.2.0.0 /usr/lib/libdb.so.2
# chmod 755 /usr/lib/libgdbm.so.2.0.0
# chmod 755 /usr/lib/libdb.so.2