Checklists for software errors, setup, and tool workflows.

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Git Merge Unrelated Histories: When and How to Use --allow-unrelated-histories

You try to merge two branches and get fatal: refusing to merge unrelated histories. ...

Fix 'port already allocated' for Nginx in Docker Compose

You're starting your Docker Compose setup with Nginx, and you see "port is already alloca...

How to Fix "docker context canceled" on Mac

If you're seeing "context canceled" errors when running Docker commands on your Mac, ...

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...

Docker Compose Port Already Allocated: How to Fix

You run docker-compose up and see an error like Error: Port 8080 is already al...

Fix 'pip externally managed environment' on Ubuntu 23.04
If you're on Ubuntu 23.04 (Lunar Lobster) and try to install a Python package with pip, you m...