HOWTO
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Are you looking to set up MySQL on your RHEL 9 or CentOS 9 server? Follow these detailed steps to install MySQL on RHEL 9 or CentOS 9.
Whether you’re a seasoned system administrator or a newcomer to database management, this step-by-step guide will walk you through the process of installing MySQL on the latest Red Hat Enterprise Linux (RHEL9 – as of the date of this publication) and CentOS operating systems. MySQL, the open-source relational database management system, is a crucial component for many web applications and server configurations.
Follow these steps to install MySQL on your RHEL9 or CentOS9 OS.
Before you begin the installation process, it’s essential to ensure that your system is up-to-date. Run the following command(s) in your terminal:
$ sudo dnf update
Install the MySQL Server package using the package manager. In this case, we’ll use DNF:
$ sudo dnf install mysql-server
As shown below, there are quite a few dependencies installed along with the mysql-server package.
Photo by admingeek from Infotechys.com
Start the MySQL service and enable it to start on boot:
$ sudo systemctl start mysqld
$ sudo systemctl enable mysqld
You can also use the --now flag to execute the two commands above at once.
$ sudo systemctl enable --now mysqld
MySQL comes with a script that helps secure your installation. Run it and follow the on-screen instructions:
$ sudo mysql_secure_installation
Access the MySQL shell to interact with the database:
$ sudo mysql
Congratulations! You’ve successfully installed MySQL on your RHEL 9 or CentOS 9 server.
By adhering to these best practices, you’ll ensure a secure, reliable, and optimized MySQL installation on your RHEL 9 or CentOS 9 server.
| Best Practice | Description |
|---|---|
| Regular Backups | Implement a robust backup strategy to safeguard your data. MySQL provides various tools to automate and manage backups. |
| User Permissions | Grant minimal necessary permissions to MySQL users. Follow the principle of least privilege to enhance security. |
| Update and Patch | Keep your MySQL installation updated by regularly applying patches and updates. This ensures you benefit from the latest features and security fixes. |
| Firewall Configuration | Configure your firewall to allow traffic on the MySQL port (default is 3306) and restrict access to trusted IP addresses. |
| Monitoring and Optimization | Use MySQL monitoring tools to keep an eye on performance metrics. Optimize queries and configurations for improved efficiency. |
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