报错"sqlplus: error while loading shared libraries"

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环境平台：  linux  as  5.5 +  oracle  11g  R2
故障描述：
一个11g的bug，在安装完数据库后，能正常创建库以及监听。但在启动sqlplus命令，会发现下面的错误：
[oracle@SANYFCBS ~]$ sqlplus "/as sysdba";
sqlplus: error while loading shared libraries: /opt/ora11/product/11.1/lib/libclntsh.so.11.1: cannot restore segment prot after reloc: Permission denied

解决方法：
检查:[root@SANYFCBS selinux]#getenforce
Enforcing

1. [root@SANYFCBS selinux]#  /usr/sbin/setenforce 0

2. [root@SANYFCBS selinux]# vi  config

# This file controls the state of SELinux on the system.
# SELINUX= can take one of these three values:
#    enforcing - SELinux security policy is enforced.
#    permissive - SELinux prints warnings instead of enforcing.
#    disabled - SELinux is fully disabled.
SELINUX=disabled
# SELINUXTYPE= type of policy in use. Possible values are:
#    targeted - Only targeted network daemons are protected.
#    strict - Full SELinux protection.
SELINUXTYPE=targeted
~