How to Uninstall MariaDB in CentOS 7
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Summary: Learn how to properly uninstall MariaDB from your CentOS 7 system with step-by-step instructions, ensuring a clean removal process without leaving any residual files or configurations behind.
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If you’ve decided to remove MariaDB from your CentOS 7 system, perhaps to replace it with another database management system or due to other reasons, it’s essential to perform the uninstallation process correctly to avoid any potential issues. Here’s a step-by-step guide to help you uninstall MariaDB from CentOS 7:
Step 1: Stop the MariaDB Service
Before uninstalling MariaDB, you should stop the service to prevent any active processes from interfering with the removal process. You can do this by executing the following command in your terminal:
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Step 2: Disable MariaDB Auto-Start (Optional)
If you don’t plan to use MariaDB again in the future, you can disable the automatic startup to prevent it from launching on system boot. Execute the following command:
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Step 3: Uninstall MariaDB Packages
Now it’s time to remove the MariaDB packages from your CentOS 7 system. You can do this using the yum remove command:
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This command will uninstall both the MariaDB server and client packages from your system.
Step 4: Remove MariaDB Data and Configuration Files
After uninstalling the packages, it’s a good idea to clean up any remaining data and configuration files associated with MariaDB. Execute the following commands to remove them:
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These commands will remove the MariaDB configuration files (my.cnf and my.cnf.d directory) as well as the MySQL data directory (/var/lib/mysql).
Step 5: Verify Uninstallation (Optional)
To ensure that MariaDB has been successfully uninstalled from your CentOS 7 system, you can check if the relevant packages and directories no longer exist. You can also attempt to start the MariaDB service to confirm that it’s no longer available.
Conclusion
By following these steps, you can properly uninstall MariaDB from your CentOS 7 system, ensuring a clean removal process without leaving any residual files or configurations behind. Whether you’re switching to a different database management system or simply no longer need MariaDB, it’s important to perform the uninstallation process correctly to maintain the integrity of your system.
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