What should I do if I forget mysql default password under centos?

Solution: 1. Use the "grep 'temporary password' /var/log/mysqld.log" command to retrieve the initial password during installation; 2. Modify the configuration file "my.cnf" to avoid Log in to the mysql server with your password and use the update command to set a new password.

The operating environment of this tutorial: CentOS 6 system, mysql8 version, Dell G3 computer.

Solution to the forgotten mysql default password under centos

Method 1. Retrieve the initial password during installation:

Execute the following command directly

grep 'temporary password' /var/log/mysqld.log

##Method 2. Configure the my.cnf file, log in to the mysql server without a password, and use the update command Set a new password

#vim /etc/my.cnf(Note: windows The modification below is my.ini)

explicit_defaults_for_timestamp=true
skip-grant-tables

service mysqld restart

mysql -uroot

use mysql
update user set authentication_string=password(“123456”) where user=“root”;

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