Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

You try to install a Python package with pip install somepackage and get a Per...

Fix Nginx Upstream Connection Refused in Docker
You have Nginx running, either on the host or in a container, proxying to another Docker containe...

Fix VS Code 'Permission Denied' When Saving Files
You're editing a file in Visual Studio Code, hit Ctrl+S, and get an error: "Failed to sav...

Fix ERR_NAME_NOT_RESOLVED on All Sites in Chrome
If Chrome shows ERR_NAME_NOT_RESOLVED on every site you visit, it means your bro...

Fix VS Code Terminal Not Opening with Node
You open VS Code, try to start the integrated terminal, and it either doesn't appear, flashes...

Docker Container Exits Immediately in Docker Compose
If your Docker container exits immediately after starting with docker compose up, it...