修改mysql密码

1.登陆mysql

[root@localhost ~]# mysql -u root 
[root@localhost ~]# mysql -uroot -p

2.切换到存储用户名和密码的数据库

执行

use mysql

提示

eading 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，适用password()函数进行加密，实际上就是执行sql语句来更新指定用户的密码

 [mysql]> update user set password=password('新密码') where user='要更新密码的用户名';回车
Query OK, 0 rows affected (0.00 sec)
Rows matched: 5 Changed: 0 Warnings: 0

4.刷新用户权限列表

 flush privileges;

5.退出mysql登陆

quit

6.重启mysql服务

service mysqld restart