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Discover how to effectively refresh your environment variables in VS Code when editing .bashrc on an SSH remote server.
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This video is based on the question https://stackoverflow.com/q/72949011/ asked by the user 'PyDude' ( https://stackoverflow.com/u/15257677/ ) and on the answer https://stackoverflow.com/a/72983479/ provided by the user 'Anaander' ( https://stackoverflow.com/u/19550705/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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How to Refresh Environment Variables in VS Code When Using SSH Not Working?

Have you ever experienced the frustration of editing your .bashrc file in VS Code only to find that the changes you’ve made aren’t reflected in your running processes, especially when working on a remote server? This is a common issue faced by developers, particularly when using Jupyter notebooks or similar programming environments over SSH.

When you edit environment variables within your profile files (.bash_profile, .bashrc, etc.) and then use the command source ~/.bashrc to reload them, it may seem like a straightforward task. However, the struggle arises when the expected changes do not take effect in your integrated terminal or remote server instances.

The Problem

You might find that after editing your .bashrc:

You run the source ~/.bashrc command.

You restart VS Code.

You even delete your SSH session.

Despite these efforts, the modified environment variables still don’t surface in your Jupyter notebooks or other applications. This can be particularly frustrating when you're eager to implement changes and your workflow is hindered.

Solution: Restarting the VS Code Server

So how do you ensure your changes to .bashrc are recognized where they matter? The answer lies in restarting the VS Code server itself. Here’s a step-by-step method to refresh the environment variables effectively:

Step-by-Step Guide

Access the Command Palette:

Open VS Code.

Activate the command palette by pressing CTRL + SHIFT + P.

Search for and Use the Command:

In the command palette, type Kill VS Code Server On Host....

Select this command from the list.

Choose Your Host:

You'll be prompted to select the SSH remote server you are connected to. Make sure to choose the correct one where you faced the issue.

Restart VS Code:

Once you initiate the command, close VS Code altogether.

Then, reopen VS Code to establish a new SSH session with the remote server.

Why This Works

When you use the Kill VS Code Server On Host... command, you essentially terminate the running instance of the VS Code server on that particular host. This process forces the server to reload any changes made to environment variables like those in your .bashrc file, ensuring that the most up-to-date configurations are applied.

Conclusion

By following the outlined steps to kill and restart the VS Code server, you should be able to refresh your environment variables seamlessly. This method resolves the common issue of edits not appearing in your remote session when working through SSH.

Next time you face this hurdle, remember to refresh the server and your workflow should continue smoothly. Happy coding!