[mysql]mysql设置允许外部访问的方法

配置外部访问帐号密码

本地登录mysql

java代码  
mysql -uroot -p  

执行
java代码  
grant all on *.* to rails@'client_ip' identified by 'password' with grant option;  

例子：所有局域网客户端都可访问
java代码  
grant all on *.* to root@'192.168.0.%' identified by 'root' with grant option;  

例子：为boyu数据库设置用户boyu
java代码  
grant all on boyu.* to boyu@'192.168.0.%' identified by 'p4ssword';  
app_server_id为APP应用服务器的IP

设置mysql外部能访问
/etc/mysql/my.cnf
注释到下面这行
java代码  
bind-address = 127.0.0.1  

重启mysql-server
java代码  
sudo service mysql restart