[root@sunshine]# mysql -uroot -p
Enter password:
mysql> use mysql
mysql> grant all privileges on *.* to 'root'@localhost identified by '123456';
mysql> flush privileges;
//下次登陸密碼就是 123456
[root@sunshine]# mysql -uroot -p
Enter password:
mysql> use mysql
mysql> grant all privileges on *.* to 'root'@localhost identified by '123456';
mysql> flush privileges;
//下次登陸密碼就是 123456