Checklists for software errors, setup, and tool workflows.

Fix 'python' Command Not Found on Windows 10 with Python 3.10

After installing Python 3.10 on Windows 10, you might type python in Command Prompt ...

Fixing Nginx Upstream Connection Refused on Port 443

You see "upstream connection refused" in your Nginx error log when proxying requests to p...

Fix Nginx 502 Bad Gateway with Docker Environment Variables

If you see a 502 Bad Gateway from nginx running in Docker, it usually means ngin...

How to Push a Git Detached HEAD to Remote

You're working on a Git repository and realize you're in a 'detached HEAD' state....

Fix Discord Black Screen from Chrome Hardware Acceleration

Why Chrome Hardware Acceleration Causes Discord Black Screen

When Chrome uses hardware a...

How to Fix 'Git Remote Origin Already Exists' Error

When working with Git, you may encounter the error fatal: remote origin already exists