Workflow manuals for setup steps, repeatable tasks, and software operations.

Fix 'git pull failed index.lock file exists' Error

When running git pull, you may see an error like:

fatal: Unable to create &#...

Python Requests Timeout: Example Code and Fixes

When using the Python requests library, a missing or misconfigured timeout can cause...

Fix Docker Nginx 502 Bad Gateway Upstream Error

When running Nginx as a reverse proxy in Docker, a 502 Bad Gateway error with 'upstream' ...

Docker Compose Environment Variable from Shell Not Working: Fixes

You set an environment variable in your shell, but Docker Compose ignores it. This is a common pi...

How to Fix Chrome ERR_CONNECTION_RESET with DNS Flush

If Chrome shows ERR_CONNECTION_RESET, the connection was interrupted. This often...

How to Fix 'Permission Denied' When Saving Files in VS Code

You're editing a file in VS Code, hit save, and get a 'permission denied' error. This...