1.

//登录数据库

mysql -u root -pvmwaremysql>use mysql;

//%为所有ip都可以远程访问

mysql>update user set host = '%' where user = 'root';

//或直接添加一条语句也行

mysql>insert into user (host,user,password) values('192.168.0.51','root',password('123'));

//查看一下修改

mysql>select host, user from user;

//推送设置到内存

mysql>FLUSH PRIVILEGES

2.

GRANT ALL PRIVILEGES ON *.* TO 'myuser'@'%'IDENTIFIED BY 'mypassword' WITH GRANT OPTION;

如果是固定ip就这么写

grant all privileges on *.* to 'root'@'192.168.0.49'identified by '123' with grant option;

//推送设置到内存

mysql>FLUSH PRIVILEGES