1、在/etc/mysql/my.cnf中的[mysqld]段注释掉bind-address = 127.0.0.1
2、用mysql -uroot -p 登陆mysql，然后采用以下方法开启远程访问权限：
方法1：mysql>use mysql;
mysql>update user set host = '%' where user = 'root';
mysql>flush rivileges；
方法2：mysql>grant all privileges on *.* to 'myuser'@'%' identified by 'mypassword' with grant option;
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