连接mysql 2003 Can't connect to Mysql on 'xxx'(10061)

1. 备份
   cp /etc/mysql/my.cnf /etc/mysql/my.cnf.bak

2. 修改
   vim /etc/mysql/my.cnf
   在[mysqld]下修改为bind-address=0.0.0.0
   没有的话就直接加上

   [mysqld]
   bind-address = 0.0.0.0

3. 重启
   service mysql restart