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Interacting with remote resources

Interlude: some background

The modular design of VS Code lets you choose where to run the user interface and the backend independently. Let's understand how this came to be.

The Remote development extension pack

Developing inside pre-packaged local DevContainers, on a virtual machine in the cloud, in a GitHub Codespace, and more.

  • WSL: Windows Subsystem for Linux was VS Code's first remote development scenario
  • Remote - SSH: Connect your local VS Code to a remote machine over SSH
    • Automatic port forwarding (web apps, Jupyter servers)
  • Remote - Tunnels: Reach remote machines behind firewalls
    • On remote machine, open a terminal and run: 
      curl -Lk 'https://code.visualstudio.com/sha/download?build=stable&os=cli-alpine-x64' --output vscode_cli.tar.gz
tar -xf vscode_cli.tar.gz
./code tunnel
    • Connect from Desktop app via Remote Tunnels: Connect to tunnel
  • Dev Containers: Work inside containers & make your environment reproducible for others

Exercise Play with different UI/backend scenarios, and share with your group, involving them if you can

Here are some ideas:

  • Contribute a devcontainer.json to your favorite repository on GitHub & make it easier for everyone to give the package a try
  • Connect remotely to a machine you typically use a command line editor like vim/emacs on
    • For tutorial participants:
      • Connect to JupyterHub, choose user/password
      • Click New => Terminal
      • Create a file .ssh/authorized_keys and add your SSH public key to it
      • Connect to Hub using jupyter-<username> at port 2222
  • Windows users: install WSL, and use this trick to have VS Code read your SSH config file from the WSL environment
  • Start a GitHub codespace on the scipy-vscode-tutorial repository and connect to it from your local VS Code via "Open Codespace in new Window"
  • Start a VS Code server (code tunnel) on your machine and connect from your tablet / let your neighbor connect

vscode.dev / github.dev

Everything runs inside your browser

  • Press . on any GitHub repo
  • Continue working on a different device without having to commit
  • More "workspace extensions" are coming to vscode.dev
    • Already there: LiveShare, some language servers, ...

Exercise