Linux重置MySQL密码

Posted 2021-03-05 lalalalalalalala

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1.停止mysql程序

1 2	`[root@H0f ~]# service mysqld stop` `Stopping mysqld: [ OK ]`

2.打开mysql配置文件

1	`[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

1	`[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

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

6.刷新权限

1 2	`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

1 2	`[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.
 
mysql>

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