php相关错误

1. PHP链接MySQL数据库，出现错误：Fatal error: Call to undefined function mysql_connect()；
   环境：centos 6.5
   解决方法：yum install php-mysql

2. 启动apache遇到错误：httpd: Could not reliably determine the server’s fully qualified domain name, using 10.xx.xx.xx for ServerName
   环境:centos 6.5
   解决方法: vim /etc/httpd/conf/httpd.conf ,搜索”#ServerName”，添加ServerName localhost:80,并注释掉ServerName www.example.com:80