重启lnmp的时候
Starting php_fpm Failed loading /usr/local/zend/ZendOptimizer.so: /usr/local/zend/ZendOptimizer.so: cannot restore segment prot after reloc: Permission denied
动态链接库加载出错:cannot restore segment prot after reloc: Permission denied
执行：/usr/local/php/sbin/php-fpm restart
提示：
Shutting down php_fpm . done
Starting php_fpm Failed loading /usr/local/Zend/lib/ZendOptimizer.so: /usr/local/Zend/lib/ZendOptimizer.so: cannot restore segment prot after reloc: Permission denied
done
原来这是SELinux搞的鬼，解决办法:
关闭SELINX，执行：/usr/sbin/setenforce 0
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禁止掉SELinux
更改/etc/sysconfig/selinux 文件的内容为 SELINUX=disabled
当然不想关闭SWlinux,我们可以这样：chcon -t textrel_shlib_t /usr/local/zend/ZendOptimizer.so