1. Set the root password for the administrator 123
After opening the MySQL service
PS C:\WINDOWS\system32> mysqladmin -uroot -p password "123"
Enter password:
mysqladmin: [Warning] Using a password on the command line interface can be insecure.
Warning: Since password will be sent to server in plain text, use ssl connection to ensure password safety.
#直接回车,忽略上述提示
Log on again without entering the password appears at the results.
PS C:\WINDOWS\system32> mysql -uroot -p
Enter password:
ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: NO)
2. Change your password
PS C:\WINDOWS\system32>mysqladmin -uroot -p"123" password "456" #修改mysql密码,因为已经有密码了,所以必须输入原密码才能设置新密码
3. Forget password
3.1 Close MySQL server
PS C:\WINDOWS\system32> net stop mysql
MySQL 服务正在停止.
MySQL 服务已成功停止。
3.2 skip Authorization Form
PS C:\WINDOWS\system32> mysqld --skip-grant-tables
No need to enter a password to log in again 3.3
PS C:\WINDOWS\system32> mysql -uroot -p
Enter password:
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 2
Server version: 5.7.27 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.
3.4 Changing the password is 'abc'
mysql> update mysql.user set authentication_string =password('abc') where User='root';
Query OK, 1 row affected (0.01 sec)
Rows matched: 1 Changed: 1 Warnings: 0
3.5 refresh permission to exit
mysql> flush privileges;
Query OK, 0 rows affected (0.00 sec)
mysql> exit
Bye
3.6 Close mysql process
PS C:\WINDOWS\system32> tasklist |findstr mysql
mysqld.exe 11452 Services 0 173,284 K
PS C:\WINDOWS\system32> taskkill /F /PID 11452
成功: 已终止 PID 为 11452 的进程。
3.7 re-open the service, use the new password
PS C:\WINDOWS\system32> net start mysql
MySQL 服务正在启动 .
MySQL 服务已经启动成功。
PS C:\WINDOWS\system32> mysql -uroot -p
Enter password: ***
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 2
Server version: 5.7.27 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.
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