Example showing how to install MySQL in RHEL

The operating system based on Red Hat Enterprise Linux (RHEL) is a widely used enterprise-level operating system. We often need to install a database when using RHEL. Here is a demonstration of how to install MySQL in RHEL.

Step 1: Install MySQL through yum

RHEL’s default package management tool is yum. Enter the following command in the terminal to install MySQL:

sudo yum install mysql-server

This command will install MySQL from the software Download and install MySQL server from the repository.

Step 2: Start the MySQL service

After the MySQL installation is complete, you need to use the following command to start the MySQL service and set it to start automatically at boot:

sudo systemctl start mysqld
sudo systemctl enable mysqld

Step 3: Set the MySQL root password

After installing MySQL, you need to activate the root user and set a password:

sudo mysql_secure_installation

This command will prompt you to enter the password, set the password strength, etc. It is recommended to set a strong password to ensure database security.

Step 4: Verify MySQL installation

Finally, use the following command to verify whether MySQL is installed successfully:

systemctl status mysqld

If the MySQL service is running, it means that MySQL is installed successfully. .

In addition to installing MySQL through yum, you can also download the software from the MySQL official website and install it manually. The operation steps are as follows:

Step 1: Download MySQL

Download the MySQL software package suitable for RHEL system from the MySQL official website. The download link is: https://dev.mysql.com/downloads/. Select the MySQL version that matches the RHEL version and hardware architecture to download.

Step 2: Install MySQL

After the download is completed, go to the download directory and use the following command to install MySQL:

sudo rpm -ivh mysql-community-server-xxx.rpm

This command will install the downloaded MySQL package to the system middle.

Step 3: Start the MySQL service

After the MySQL installation is complete, use the following command to start the MySQL service:

sudo systemctl start mysqld

Step 4: Set the MySQL root password

After installing MySQL, you need to activate the root user and set a password:

sudo mysql_secure_installation

Step 5: Verify MySQL installation

Use the following command again to verify whether the MySQL installation is successful:

systemctl status mysqld

If If the MySQL service is running, it means that the MySQL installation is successful.

Summary:

Installing MySQL in a RHEL system can be done through the yum command or manual download and installation from the MySQL official website. The operating steps are similar and easy to use. Be careful to set the root user password and start the MySQL service after installation.

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