mysql 启动报错信息如下：
[root@xxx ~]# 2018-01-26 17:06:35 33 [Warning] Host name 'bogon' could not be resolved: Name or service not known 2018-01-26 17:06:36 33 [Warning] Host name 'bogon' could not be resolved: Name or service not known 2018-01-26 17:06:41 33 [Warning] Host name 'bogon' could not be resolved: Name or service not known skip-name-resolve
解决办法如下，在配置文件中的mysqld里面加入下面一条：
[mysqld]下面一行加入skip-name-resolve重启mysql服务就可以了。