How to check mysql password

MySQL is a common database management system, and many websites and applications use MySQL as their back-end database. When using MySQL, you often need to check or reset your password. Here's how to view and reset MySQL passwords.

1. Find the MySQL configuration file

First, in a Linux or Unix system, use the following command in the terminal window to find the MySQL configuration file:

$ sudo find / -name "my.cnf"

This command will Search the system for MySQL configuration files. Typically, the MySQL configuration file is located in the /etc/mysql/my.cnf or /etc/my.cnf file.

2. Enter MySQL

After finding the MySQL configuration file, you need to enter MySQL. Please execute the following command:

$ sudo mysql -u root -p

Please note that in this command, "root" is the user name set. After entering this command, you will be prompted for your MySQL password. Enter the MySQL password and press Enter.

3. Check the MySQL password

Next, check the MySQL password through the following command:

SELECT User,authentication_string,plugin,host FROM mysql.user;

If there is a default username and password in the MySQL server, you can choose change Password. Next, we will introduce how to change the MySQL password.

4. Modify MySQL password

If you need to modify the MySQL password, you can use the following command:

ALTER USER 'root'@'localhost' IDENTIFIED BY 'NEWPASSWORD';

In the above command, "root" is the user name whose password you want to change. , "localhost" is the host name to connect to, and "NEWPASSWORD" is the new password you set.

5. Summary

The above is about the method of viewing and modifying the MySQL password. If you want to make MySQL more secure and reliable, you need to change your MySQL password frequently. By using the above commands, you can easily view and change MySQL passwords.

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