Linux重置MySQL密码

1.停止mysql程序

[root@H0f ~]# service mysqld stop
Stopping mysqld:                                           [  OK  ]

 2.打开mysql配置文件

[root@H0f ~]# vim /etc/my.cnf
搜索mysqlld    /mysqld
[mysqld]#下一行添加
skip-grant-tables  #忽略MySQL权限问题，直接登录

 3.开启MySQL服务

[root@H0f ~]# service mysqld start

 4.无密码直接进入mysql

[root@H0f ~]# mysql
Welcome to the MySQL monitor.  Commands end with ; or g.
Your MySQL connection id is 2
Server version: 5.1.73-log Source distribution

Copyright (c) 2000, 2013, 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.

5.使用mysql表，进行修改密码

mysql> use mysql
Database changed
mysql> update user set password=password("123") where user="root";#密码修改为123
Query OK, 3 rows affected (0.00 sec)
Rows matched: 3  Changed: 3  Warnings: 0

 6.刷新权限

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

 7.杀死所有mysqld进程

[root@H0f ~]# killall mysqld
[root@H0f ~]# ps -ef|grep mysqld
root      53342  45198  0 20:57 pts/6    00:00:00 grep mysqld

 8.开启mysqld服务

[root@H0f ~]# service mysqld start
Starting mysqld:                                           [  OK  ]

 9.测试进入mysql

[root@H0f ~]# mysql -u root -p
Enter password: 
Welcome to the MySQL monitor.  Commands end with ; or g.
Your MySQL connection id is 2
Server version: 5.1.73-log Source distribution

Copyright (c) 2000, 2013, 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.

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