linux 版mysql开启远程登陆

1  登陆数据库  

mysql -u root -p 

2 use mysql;

3 select  User,authentication_string,Host from user  (查询用户表)

4 GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED BY '123456'    

5 flush privileges;   (实时生效)

6 select  User,authentication_string,Host from user  （再次查看用户表）