Could not reliably determine the server's fully qualified domain name, using xxx for ServerName

centos6.5rpm 安装 apache 后，执行 service httpd start 命令报错：Could not reliably determine the server's fully qualified domain name, using xxx for ServerName

解决方法如下：

修改/etc/httpd/conf/httpd.conf 文件，添加以下代码：

  ServerName localhost:80

保存后即可正常启动 apache 服务。