给MySQL授权远程访问

putty登录服务器;

登录MySQL：

mysql -u root -p

新建远程用户：

CREATE USER 'myusername' IDENTIFIED BY 'mypassword';

授权：

grant all on *.* to john@'101.102.103.104' identified by 'mypassword';
flush privileges;

101.102.103.104是你的外网ip

现在，你就可以用客户端从远程访问了