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

Git Push Rejected Non Fast Forward: Troubleshooting Checklist

Fix Cloudflare 522 Error with Nginx Configuration

You're seeing a Cloudflare 522 error: connection timed out between Cloudflare and your origin...

DNS Probe Finished NXDOMAIN: Meaning and Fixes

You're trying to visit a website but Chrome shows "DNS_PROBE_FINISHED_NXDOMAIN". This...

Python Virtual Environment Not Activating in Git Bash: Fixes

You're in Git Bash on Windows, you run source venv/Scripts/activate, and nothing...

Fix VS Code IntelliSense Not Working in Workspace

When you open a workspace in VS Code and IntelliSense stops showing suggestions, it usually point...

Docker Compose Port Already Allocated: Checklist

You run docker-compose up and get an error like Error starting userland proxy:...