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

Fix Cloudflare Wildcard Subdomain Not Working

If you've set up a wildcard DNS record in Cloudflare (e.g., *.example.com) but s...

Fix Chrome Access Violation Error on Mac

If you see an "access violation" error in Chrome on your Mac, it usually means the browse...

Fix VS Code Terminal Not Opening with Conda Environment

You open VS Code, try to launch the integrated terminal, and nothing happens—or the terminal open...

Fix Docker Network Not Found Error: Step-by-Step

When Docker reports 'network not found', it usually means the container tried to connect ...

Fix pnpm ERR! Cannot Find Module – Practical Steps

How to Fix Nginx Upstream Connection Refused Error

If you're seeing upstream connection refused in your Nginx error logs, it usuall...