Centos下如何修改Mysql的root密码

1、用帐号登录mysql

mysql –u root

或#mysql –uroot –p

2、改变用户数据库

命令：mysql>use mysql

mysql> use mysql
Reading table information for completion of table and column names
You can turn off this feature to get a quicker startup with -A

Database changed

3、修改密码

密码要用password()函数进行加密！！！！

命令：mysql> update user set password=password('root') where user='root';

mysql> update user set password=password('root') where user='root';
Query OK, 3 rows affected (0.00 sec)
Rows matched: 3  Changed: 3  Warnings: 0

4、刷新权限表

命令：mysql> flush privileges;

mysql> flush privileges;
Query OK, 0 rows affected (0.00 sec)

5、退出mysql并对mysql进行重启即可！！

service mysqld restart