Скачать или смотреть Accessing Jupyter Lab in the Terminal on Windows

Learn how to easily access Jupyter Lab on your Windows terminal by solving common installation issues. This guide provides step-by-step instructions to get you started quickly.
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Accessing Jupyter Lab in the Terminal on Windows: A Step-by-Step Guide

If you've recently installed Jupyter Lab on your Windows machine, you might have encountered a frustrating issue when trying to launch it from the terminal. You may receive an error message stating that the term 'jupyter' is not recognized. This can be confusing, especially for those who are new to using Python and Jupyter. But don't worry! In this guide, we'll walk through the steps to successfully access Jupyter Lab in the command line.

The Problem

You installed Jupyter Lab using the command:

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

After the installation, you attempted to run Jupyter Lab by typing jupyter-lab in your terminal and received the following error message:

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

This error typically indicates that the command-line interface (CLI) cannot find the Jupyter executable in your system's PATH. Let's break down how to resolve this issue.

Solution: Running Jupyter Lab Correctly

Step 1: Use the Correct Command

Instead of attempting to run jupyter-lab directly, you can use the following command:

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

This command tells Python to execute the Jupyter Lab module directly, which is a reliable workaround when the command line isn't recognizing the jupyter command.

Step 2: Adding Jupyter to Your PATH (Optional)

If you want to run jupyter-lab directly in the terminal without using python -m, you'll need to ensure that the scripts directory for Python is added to your system environment PATH. Here’s how to do this:

Find Your Python Scripts Directory:

Open your command prompt and type:

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

This command shows the directory where packages are installed, usually something like C:\Users\YourUsername\AppData\Roaming\Python\Python39\Scripts.

Update Your Environment Variables:

Right-click on 'This PC' or 'My Computer' on your desktop and select 'Properties'.

Click on 'Advanced system settings' on the left panel.

In the System Properties window, click on the 'Environment Variables' button.

Under 'System variables,' find and select the 'Path' variable, then click 'Edit…'.

Click 'New' and paste in your Python Scripts directory.

Click 'OK' to close all dialogs.

Restart Your Terminal: Close and reopen your command prompt or terminal to apply the new PATH settings.

Step 3: Try Running Jupyter Lab Again

Now that you have either used the python -m jupyterlab command or updated your PATH environment variable, try launching Jupyter Lab again by typing:

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

If everything is set up correctly, Jupyter Lab should start without any issues!

Conclusion

Accessing Jupyter Lab in the Windows terminal is straightforward once you understand how to resolve common installation issues. Using the command python -m jupyterlab is an immediate solution, while updating your system's PATH allows for more seamless access using the jupyter lab command in the future. We hope this guide helps you get started with Jupyter Lab on Windows! Happy coding!