1.使用个人账户登陆系统(注意登陆后切换到root权限:su root) [nsroot@COS7-PY ~]$ su root Password:

2.停止MySQL服务。 [root@COS7-PY nsroot]# service mysqld stop

3.跳过授权表选项,重启MySQL。 [root@COS7-PY nsroot]# mysqld_safe --skip-grant-tables &

4.登陆MySQL [root@COS7-PY nsroot]# mysql

5.在登陆MySQL 成功后使用命令重置root密码: mysql> UPDATE mysql.user SET Password=PASSWORD('NEW-PASSWORD') WHERE User='root';

6.退出MySQL, mysql>FLUSH PRIVILEGES; mysql>EXIT;

7.使用更改后的密码,停止MySQL mysql>mysqladmin -u root -p shutdown

8.启动MySQL服务。 mysql>service mysqld start

9.使用新密码登陆MySQL。 [root@COS7-PY nsroot]# mysql -uroot -p Enter password: elcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 2 Server version: 5.6.43 MySQL Community Server (GPL)

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>