执行sqlplus "/as sysdba"
出现错误：sqlplus: error while loading shared libraries: /u01/app/oracle/product/10.2.0/db_1/lib/libclntsh.so.11.1: cannot restore segment prot after reloc: Permission denied
解决办法1：
[root@oracle selinux]# getenforce
Enforcing
[root@oracle selinux]# setenforce 0
[root@oracle selinux]# getenforce
Permissive
解决办法2：
chcon -t texrel_shlib_t /u01/app/oracle/product/10.2.0/db_1/lib/libclntsh.so.11.1
解决办法3：
vi /etc/sysconfig/selinux 修改 SELINUX=permissive