http://blog.chinaunix.net/uid-26212859-id-3256667.html
参考博客
http://hi.baidu.com/newdreamllc/item/687b263c39207cbb124b1478
参考博客2
echo "/usr/bin" >> /etc/ld.so.conf
这是我加的
phpnow中 无法使用exec()函数 Warning: exec() has been disabled for security reasons in
http://sai-cai-sai.blog.163.com/blog/static/47703827201262131155454/
