Knowledge base for software setup, errors, and daily tool work.

Python Virtual Environment Not Activating: Common Fixes

You run source venv/bin/activate (or venv\Scripts\activate on Windows) ...

Checklist to Fix npm Permission Denied Errors

If you see "EACCES: permission denied" or "Error: EACCES, mkdir" when running npm...

npm run build Failed: Troubleshooting Checklist

When npm run build fails, the error message can be cryptic. This checklist walks thr...

Fix pip install: Dependency Conflict and Permission Denied

When you run pip install and see messages about dependency conflicts or permission d...

How to Set npm Prefix to Avoid Permission Denied Errors