sqlplus: error while loading shared libraries......, sqlplus 실행시 에러

CentOS 5.5 x86-64 에서 Oracle 11g R2 설치후 sqlplus 실행시 아래와 같은 에러 메세지 발생.

sqlplus: error while loading shared libraries: /oracle/product/11.2.0/dbhome_1/lib/libclntsh.so.11.1: cannot restore segment prot after reloc: Permission denied

해결 : chcon -t texrel_shlib_t [so 라이브러리]
          chcon -t texrel_shlib_t /oracle/product/11.2.0/dbhome_1/lib/libclntsh.so.11.1