Ubuntu下Apache重启出现错误提示:Could not reliably determin

错误信息：
* Restarting web server apache2
apache2: Could not reliably determine the server's fully qualified domain name, using 127.0.1.1 for ServerName
apache2: Could not reliably determine the server's fully qualified domain name, using 127.0.1.1 for ServerName

解决方法：
sudo gedit /etc/apache2/apache2.conf

在文件后面加上:
#Server Name
ServerName 127.0.0.1