mysql linux yum installation

MySQL is an open source relational database management system that is widely used in the development of Web applications. On the Linux operating system, we can install MySQL through the yum package manager, making the installation process simpler and faster. This article will detail how to use yum to install MySQL on Linux.

1. Preparation work

Before starting the installation, we need to prepare the following work:

• A server with a Linux operating system installed;
• Administrative access to execute installation commands;
• A stable internet connection to download MySQL packages.

2. Update system yum source

Before installing MySQL, we need to ensure that the yum source used by the system is the latest. You can update through the following command:

sudo yum update

This command will check available updates and download and install them to ensure that the current system is using the latest yum source.

3. Install MySQL

After updating the yum source, you can use the yum package manager to install MySQL. Enter the following command on the command line:

sudo yum install mysql-server

This command will download and install the MySQL server and related components. During the installation, yum will prompt you to confirm the installation, you can enter 'y' to confirm.

4. Start the MySQL service

After the MySQL installation is complete, you need to start the MySQL service to use it. Use the following command to start:

sudo systemctl start mysqld

This command will start the MySQL service and start listening on the default port 3306. If you want MySQL to start automatically at boot, you can use the following command:

sudo systemctl enable mysqld

This command will make MySQL a system service and start it at boot.

5. Set the MySQL root user password

MySQL does not set the root user password after default installation. You need to manually set a password to use MySQL. Use the following command to start the MySQL security script:

sudo mysql_secure_installation

This command will prompt you to make some MySQL security settings, including setting the root user password. You need to follow the prompts. If you don't want to set a password, you can choose to skip it.

6. Using MySQL

After installing and configuring MySQL, you can log in to MySQL using the following command:

mysql -u root -p

This command will prompt you to enter the root user Password, after verification you can start using MySQL.

7. Summary

This article introduces how to use the yum package manager to install MySQL on the Linux operating system. By using yum, installing MySQL will become very simple and only requires executing a few commands to complete. Please remember to set the root user password to ensure the security of MySQL.

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