CentOS MySQL installation: detailed steps and methods

php editor Apple brings you detailed steps and methods for CentOS MySQL installation. MySQL is a commonly used open source database management system suitable for applications of all sizes. Installing MySQL on CentOS can provide stable and reliable database services. This article will introduce you to how to install MySQL under CentOS, including detailed steps such as downloading the installation package, configuring the environment, and creating a database, to help you successfully complete the installation process and quickly build a powerful database system.

Update system

Before installing MySQL, we first need to update the CentOS system to obtain the latest software packages and security patches. Open the terminal as root user Execute the following command as:

```

yum update

This will update all packages and dependencies in the system.

Install MySQL

Installing MySQL on CentOS is very simple, execute the following command to install MySQL using the yum package manager:

yum install mysql-server

This will automatically download and install the MySQL server and its related components.

Start the MySQL service

After the installation is complete, we need to start the MySQL service and set it to start automatically when the system starts. Execute the following command to start the MySQL service:

systemctl start mysqld

Execute the following command to set MySQL to start automatically when the system starts:

systemctl enable mysqld

Configure MySQL

After the MySQL installation is completed, the default The root password is not set, we need to run a security script to set the root password and other security options. Execute the following command to run the security script:

mysql_secure_installation

Enter the root password as prompted and answer other questions Security issues, once completed, MySQL will be securely configured.

Test MySQL

After the installation and configuration are completed, we can test whether MySQL is working properly, execute the following command to log in to the MySQL server:

mysql -u root -p

Enter the root password you set previously. If you log in successfully, you will see the MySQL command line prompt.

Using MySQL

You can start using MySQL to create databases, tables and execute SQL queries. You can use MySQL's command line interface or connect to the MySQL server through other applications.

In this article, we introduce in detail the steps and methods to install MySQL on CentOS. By updating the system, installing MySQL, starting the service, configuring MySQL and testing MySQL, you can easily install and use it on CentOS. MySQL.

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In LINUX, use the `sudo` command to execute commands with root user privileges. If you need to install a software package as the root user, you can use the following command:

sudo yum install package-name

This will prompt you to enter the password of the current user and temporarily elevate the privileges to execute the command. This is a very useful feature in LINUX and can help you avoid The trouble of switching to the root user from a regular user.

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