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

Fix Python venv Activation Script Not Running in PowerShell

You create a Python virtual environment, run the activation script, and nothing happens—or you se...

Pip Install Permission Denied: Practical Fixes

When you run pip install somepackage and get a Permission denied er...

How to Fix Git Push Rejected Non-Fast-Forward Error

You run git push and see: ! [rejected] main -> main (non-fast-forward). Thi...

Resolving npm Dependency Conflicts After an Update

How to Fix Nginx 502 Bad Gateway Error

When you see a 502 Bad Gateway error from Nginx, it means Nginx could not get a valid response fr...