현상 : [oracle@oratest admin]$ sqlplus /nolog
            sqlplus: error while loading shared libraries: /oracle/11g/lib/libclntsh.so.11.1: cannot restore segment prot after reloc: Permission denied
      
     조치 : root user로 접속한 다음
            [root@oratest ~]# getenforce
            Enforcing
            [root@oratest ~]# setenforce 0
            [root@oratest ~]# getenforce
            Permissive