How to Add Flutter SDK to PATH Permanently on Ubuntu Linux

Описание: Learn how to permanently set up the `Flutter SDK` in your `PATH` on Ubuntu. Follow these simple steps to avoid frustrations and enhance your development experience.
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This video is based on the question https://stackoverflow.com/q/60145848/ asked by the user 'Mwase' ( https://stackoverflow.com/u/12123833/ ) and on the answer https://stackoverflow.com/a/62767412/ provided by the user 'Aayush24' ( https://stackoverflow.com/u/10082720/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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How to Add Flutter SDK to PATH Permanently on Ubuntu Linux

If you're new to Linux, you might find the command line intimidating and confusing at times. After a fresh installation of Ubuntu, you might have encountered an issue when trying to access the Flutter SDK. You might have run into the frustrating message of flutter: command not found. Don't worry! In this guide, we will guide you through the simple steps to permanently add the Flutter SDK to your PATH on Ubuntu Linux.

Understanding the Problem

During the setup of Flutter on your Ubuntu system, you successfully executed the command to add its location to your PATH, but as soon as you closed the terminal, the command wasn't recognized anymore. This is a common issue for many new users who wish to install software on their machines but find that changes disappear after the terminal closes.

Why Does This Happen?

The command you used,

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only sets the PATH variable temporarily for the duration of that terminal session. Once you close the terminal, all changes made will be lost, and you will have to re-enter the command every time you open a new terminal session. The good news is that there’s a way to make it permanent!

The Solution: Modifying the .bashrc File

To ensure that the flutter command is always recognized, you need to add the necessary export command to your .bashrc file. This file is read and executed whenever a new terminal session is started, allowing you to set up your environment variables permanently.

Steps to Add Flutter SDK to PATH

Here are the detailed steps to achieve this:

Open Terminal: You can do this by searching for "Terminal" in your applications or using the shortcut Ctrl + Alt + T.

Edit the .bashrc File: You can use any text editor to open the .bashrc file. For example, you can use nano:

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Add the Export Command: Scroll to the bottom of the file and add the following line:

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Replace [path to the directory you have installed flutter] with your actual Flutter installation path. For example:

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Save and Exit: If you're using nano, you can save your changes by pressing CTRL + O, then hit Enter, and exit with CTRL + X.

Reload the .bashrc File: For the changes to take effect immediately, run:

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Test the Configuration: Now type flutter in your terminal, and it should work without any command not found errors!

Conclusion

By following the steps above, you have successfully added the Flutter SDK to your PATH permanently. This means you can confidently open your terminal and run Flutter commands anytime without the hassle of reconfiguring the PATH each time.

Now you're all set to start your Flutter development journey on Ubuntu Linux! Happy coding!