解决方法：
Linux系统下启动MySQL报错：Neither host 'localhost.localdomain' nor 'localhost' could be looked up with
Linux系统下启动MySQL报错：Neither host ‘localhost.localdomain‘ nor ‘localhost‘ could be looked up with
摘要
Linux系统下安装完MySQL,启动MySQL报错：Neither host ‘localhost.localdomain‘ nor ‘localhost‘ could be looked up with... Linux系统下装完MySQL，然后重启动时报错：
查看cat /etc/hosts 发现什么文件也没有，编辑内容相关配置。vim /etc/hosts 输入以下内容：127.0.0.1localhost.localdomain localhost
然后重新启动MySQL
正常启动OK了~
文章来自：http://blog.csdn.net/dongqinliuzi/article/details/39648627