破解Mysql数据库的管理员密码（不时之需）

LinuxProbe

本文档详细介绍破解 MySQL5.7 数据库的 root 登录密码

忘记 root 登录密码
[root@MySQL1 ~]# mysql -uroot -p1231234mysql: [Warning] Using a password on the command line interface can be insecure.ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: YES)在 /etc/my.cnf 配置文件中添加 skip-grant-tables 绕开 MySQL5.7 数据库密码验证
[root@MySQL1 ~]# echo skip-grant-tables >> /etc/my.cnf[root@MySQL1 ~]# /etc/init.d/mysqld restartShutting down MySQL.. SUCCESS! Starting MySQL. SUCCESS! 直接使用 mysql 命令登录 MySQL5.7 数据库并修改 root 登录密码
[root@MySQL1 ~]# mysqlWelcome to the MySQL monitor.  Commands end with ; or \g.Your MySQL connection id is 3Server version: 5.7.19-log Source distributionCopyright (c) 2000, 2017, Oracle and/or its affiliates. All rights reserved.Oracle is a registered trademark of Oracle Corporation and/or itsaffiliates. Other names may be trademarks of their respectiveowners.Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.mysql> ALTER  USER   'root'@'localhost'   IDENTIFIED BY  'password';ERROR 1290 (HY000): The MySQL server is running with the --skip-grant-tables option so it cannot execute this statementmysql> flush privileges;Query OK, 0 rows affected (0.00 sec)mysql> ALTER  USER   'root'@'localhost'   IDENTIFIED BY  'password';Query OK, 0 rows affected (0.00 sec)mysql> quitBye

注意：如果在执行该步骤的时候出现 ERROR 1290 (HY000): The MySQL server is running with the --skip-grant-tables option so it cannot execute this statement 错误。则执行下 flush privileges; 命令，再执行该命令即可。

使用新密码 password 登录 MySQL5.7 数据库
[root@MySQL1 ~]# mysql -uroot -ppasswordmysql: [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 4Server version: 5.7.19-log Source distributionCopyright (c) 2000, 2017, Oracle and/or its affiliates. All rights reserved.Oracle is a registered trademark of Oracle Corporation and/or itsaffiliates. Other names may be trademarks of their respectiveowners.Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.mysql> exitBye使用其他密码不能登录 MySQL5.7 数据库
[root@MySQL1 ~]# mysql -uroot -ppassworddmysql: [Warning] Using a password on the command line interface can be insecure.ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: YES)优化
删掉 /etc/my.cnf 里的 skip-grant-tables
[root@MySQL1 ~]# sed -i -e '/skip-grant-tables/d' /etc/my.cnf重启数据库
[root@MySQL1 ~]# /etc/init.d/mysqld restart总结

以上就是破解 MySQL5.7 数据库的 root 登录密码的方法，希望能给大家带来帮助。

fjq0215

破解Mysql数据库的管理员密码

vaio

棒，之前还在想mysqld --initialize的密码丢了也没修改咋办00
以后要系统学一下mysql了