httpd: Could not reliably determine the server's fully qualified domain name, using 127.0.0.1 for ServerName
解决办法非常简单：
#nano /usr/local/apache2/conf/httpd.conf
找到#ServerName www.example.com:80 把#去掉，再重启apache即可没事了。
本文转自 IT阿飞 51CTO博客，原文链接:http://blog.51cto.com/itafei/1725814