1、登陆到服务器端
2、service mysql stop
3、mysqld --skip-grant-tables
4、重置密码
[root@testdb1 ~]# mysql -u root -p
Enter password:
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 1
Server version: 5.5.25 MySQL Community Server (GPL)
Copyright (c) 2000, 2011, Oracle and/or its affiliates. All rights reserved.
Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
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
mysql> update user set password=password('xxxxxxxx') where user='root';
Query OK, 4 rows affected (0.09 sec)
Rows matched: 4 Changed: 4 Warnings: 0
mysql> exit
5、kill -TERM pid (pid 为mysqld的进程id)
6、service mysql start