Скачать или смотреть How to Fix Connection Error with MariaDB under WSL 2 (Debian)

Struggling to connect to MariaDB under WSL 2 on Windows 11? Learn how to fix common connection errors and successfully set up your database.
---
This video is based on the question https://stackoverflow.com/q/70620283/ asked by the user 'Abhi D.' ( https://stackoverflow.com/u/3951406/ ) and on the answer https://stackoverflow.com/a/70631845/ provided by the user 'Abhi D.' ( https://stackoverflow.com/u/3951406/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

Visit these links for original content and any more details, such as alternate solutions, latest updates/developments on topic, comments, revision history etc. For example, the original title of the Question was: Connection error with MariaDB under WSL (Debian)

Also, Content (except music) licensed under CC BY-SA https://meta.stackexchange.com/help/l...
The original Question post is licensed under the 'CC BY-SA 4.0' ( https://creativecommons.org/licenses/... ) license, and the original Answer post is licensed under the 'CC BY-SA 4.0' ( https://creativecommons.org/licenses/... ) license.

If anything seems off to you, please feel free to write me at vlogize [AT] gmail [DOT] com.
---
How to Fix Connection Error with MariaDB under WSL 2 (Debian)

When using Windows Subsystem for Linux (WSL) for development, you might encounter a frustrating situation: errors when trying to connect to your MariaDB installation. For a lot of developers, this is a common hurdle when setting up a lightweight Linux environment on Windows. Today we'll discuss how to troubleshoot this connection issue and get you back on track with your database setup.

Understanding the Connection Error

If you've followed the installation steps for MariaDB on your WSL Debian system and are now facing a connection error, you're not alone. The error message you might see typically looks like this:

[[See Video to Reveal this Text or Code Snippet]]

Or, when attempting to connect using TCP:

[[See Video to Reveal this Text or Code Snippet]]

These messages indicate that your system is unable to connect to the MariaDB service, leading to confusion and the assumption that something went wrong during the installation.

Why Does This Happen?

The primary reason for this connection error is often that the MariaDB service is not running. When you try to use commands like mysql_secure_installation, the system is looking for the MariaDB service to be up and operational. If it's not, you'll face these connectivity issues.

It’s essential to understand that the WSL does not automatically start services in the same way a native Linux system would.

Solution: Starting the MariaDB Service

To resolve this issue, you simply need to ensure that the MariaDB service is running. Here’s how you can do that:

Step-by-Step Guide

Open Your WSL Terminal: Access your WSL Debian environment where MariaDB is installed.

Start the MariaDB Service: Use the following command to start the service:

[[See Video to Reveal this Text or Code Snippet]]

Verify the Service Status: After starting the service, you can check if it is running by executing:

[[See Video to Reveal this Text or Code Snippet]]

This command will provide you with information about the current state of the MariaDB service.

Run mysql_secure_installation: Now that the service is up and running, you can proceed with the secure installation process:

[[See Video to Reveal this Text or Code Snippet]]

Additional Commands and Considerations

If you encounter any further errors or issues during the process, make sure to check the logs for MariaDB. This can give you insights into what might be going wrong.

Connecting via TCP: If you want to connect using TCP and still face issues, you can run:

[[See Video to Reveal this Text or Code Snippet]]

This should now work smooth as expected, but if it still doesn’t, make sure that the ports are correctly configured and not blocked or in use by other applications.

Conclusion

In summary, when faced with a connection error while using MariaDB under WSL 2 (Debian), remember that the error often lies within the service not running. Simply starting the MariaDB service resolves the majority of connection issues and allows you to set up your environment smoothly.

Happy coding, and may your database queries always return the results you’re looking for!