AH00558: apache2: Could not reliably determine the server‘s fully qualified domain name, using 127.0.1.1. Set the ‘ServerName‘ directive globally to suppress this message
解决的问题是：
sudo gedit /etc/apache2/apache2.conf
在文件后面加上:
#Server Name
ServerName 127.0.0.1
原文：http://www.cnblogs.com/linguoguo/p/4819208.html