error while loading shared libraries:

[oraprod@fakprotest bin]$ ./sqlplus /nolog
./sqlplus: error while loading shared libraries: /home/oraprod/app/oraprod/product/11.1.0/db_3/lib/libnnz11.so: cannot restore segment prot after reloc: Permission denied

during the installation of 11gr1 on redhat 5.

after that successful installation and database creation while i was trying to connect to database through "sqlplus" that time i got the above mention error.

Kindly find the below solution ( what is the reason for that issue don't know, need to findout).
connect with ROOT user and execute the following command.


#] /usr/sbin/setenforce 0