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Centos7 initializes the MySQL5.7 database

Since there was no specific description of how to install MySQL5.7 under Centos7 in the previous article

An important step before you start using the database is to initialize the database. So today I would like to make up this specific operation of the article.

1. Start the database

Systemctl start mysqld

2. Set self-boot.

Systemctl enable mysqld

3. View the default database password

Cat / var/log/mysqld.log | grep password

Note: if you change the database password before initializing the database as I did in the previous article, then this step can be omitted.

4. Initialize the database

Mysql_secure_installation

Note: after executing the initialization command, you need to enter the database root user password, and then enter all the way by default as the screenshot above. (the above screenshot questions can also be selected according to your own actual situation)

5. Log in to MySQL

Mysql-uroot-p

Note: the above also completed all the operations of initializing the database!

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