Checklists for software errors, setup, and tool workflows.

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Latest checklists

If you see a 'permission denied' error when running pip install somepackage ...

If you're on a modern Linux distribution (like Ubuntu 23.04+, Fedora 38+, or Debian 12+) and ...

When you type python in the Command Prompt and see 'python is not recognized...

Fix 'Python' Command Not Found on Windows 7
When you type python in Command Prompt on Windows 7 and get 'python' i...

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

Git Merge Conflict Resolution Tool Setup Guide When you encounter a merge conflict in Git, the default conflict markers (<<<<<<...