MySQL密码破解

第1步：停止MySQL进程的运行

[root@mysql-2 mysql]# service mysqld stop Shutting down MySQL.. SUCCESS!

第2步：修改配置文件

[root@mysql mysql]# vim /etc/my.cnf [mysqld] user=mysql #指定启动MySQL进程的用户 skip-grant-tables #跳过密码验证

在其中插入这两条

第3步：启动MySQL进程

[root@mysql mysql]# service mysqld restart 启动MySQL进程 Starting MySQL. SUCCESS!

第4步：登录MySQL，不接密码

[root@mysql-2 mysql]# mysql -uroot -p Enter password: Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 2 Server version: 5.7.25 Source distribution Copyright (c) 2000, 2019, 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.

第5步：刷新权限

mysql> flush privileges; Query OK, 0 rows affected (0.01 sec)

刷新权限（会加载原来没有加载的权限表–>用户名和密码所在的表user等）

第6步：修改密码

mysql> set password for 'root'@'localhost' = 'Sanchuang1234#'; Query OK, 0 rows affected (0.00 sec)

修改密码，指定用户名为root@localhost 也可以用alter命令修改

root@(none) 10:35 scmysql>alter user 'root'@'localhost' identified by 'Sanchuang123#'; Query OK, 0 rows affected (0.00 sec)

第7步：重新修改mysql的配置文件

[root@mysql mysql]# vim /etc/my.cnf [mysqld] socket=/data/mysql/mysql.sock #user=mysql -->注释掉 #skip-grant-tables -->注释掉

第8步：刷新服务

[root@mysql-2 mysql]# service mysqld restart #重新刷新服务 Shutting down MySQL.. SUCCESS! Starting MySQL. SUCCESS!

第9步：验证修改密码是否成功

[root@mysql-2 mysql]# mysql -uroot -p'Sanchuang1234#' mysql: [Warning] Using a password on the command line interface can be insecure. Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 3 Server version: 5.7.25 Source distribution Copyright (c) 2000, 2019, 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>