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

Remove Large Files from Git History

If your Git repository is bloated because a large file was committed and later removed, the file ...

Python venv Not Working on Windows 10: Common Fixes

If you're trying to create or activate a Python virtual environment on Windows 10 and it'...

How to Fix Nginx Upstream Connection Refused on Port 80

When nginx logs show "upstream connection refused" while connecting to port 80, it means ...

How to Fix Python Requests Connection Timeout Errors

Fix Git Authentication Failed in VS Code on Linux

You're working in VS Code on Linux, try to push or pull, and get a popup: "Git authentica...

Docker Image Pull Access Denied: Troubleshooting Checklist

When you run docker pull and get an access denied error, it usually mea...