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