重启Apache报错apache2: Could not reliably determine the server's fully qualified domain name, using 127.0.1.1 for ServerName ... waiting的解决方法

启动apache提示 ：

apache2: Could not reliably determine the server's fully qualified domain name, using 127.0.1.1 for ServerName
... waiting apache2: Could not reliably determine the server's fully qualified domain name, using 127.0.1.1 for ServerName

(1)、进入apache的安装目录: cd /etc/apache2/ 

(2)、编辑http.conf文件，添加ServerName localhost:80

      sudo vim httpd.conf

(3)、最后，再次重启apache

      sudo /etc/init.d/apache2 restart