Mysql forgotten password

windows platform

1. Stop the MySQL service

2. In any path, create a new text file and add the operation of changing the password

   # 例如:
   # 在桌面上创建一个文件 root_password.txt
   # 其中的内容如下
   alter user root@localhost identified by '12345678';
   

3. Run Command Prompt as administrator

   mysqld --defaults-file="C:\ProgramData\MySQL\MySQL Server 8.0\my.ini" --init-file="C:\Users\shawn\Desktop\root_password.txt"
   

4. After the carriage return, you can ctrl+c to stop

5. Start the MySQL service and log in with the new password.

mac receipt

1. stop mysql service

2. Open the my.cnf file

   File location:

   dmg direct loading -> /etc/my.cnf

   homebrew ->

   ​ intel -> /usr/local/homebrew/etc/my.cnf

   ​ M1 -> /opt/homebrew/etc/my.cnf

3. Add a line at the end of the file

   skip-grant-tables
   

4. Log in to MySQL without a password and change the password

   # 登录到MySQL
   mysql -uroot -p		# 如果提示输入密码，直接回车即可
   # 刷新权限
   flush privileges;
   # 修改密码，密码要求同时包含大写字母、小写字母、数字，长度至少8位。
   # 如果想要修改为简单的密码，看下一段
   alter user 'root'@'localhost' identified by 'NewPassword123';
   

5. stop the service

6. In my.cnf, delete the line skip permission check just added

7. Start the MySQL service