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...

How to Push a Git Detached HEAD to Remote

You're working on a Git repository and realize you're in a 'detached HEAD' state....

Debugging Jest Tests in VS Code: Breakpoints Not Hit

You set a breakpoint in a Jest test file, start debugging, and the test runs to completion but th...

How to Fix Chrome Extensions Not Loading

You open Chrome, click the puzzle icon, and your extensions are grayed out or missing. This is co...

Checklist for Troubleshooting Nginx Permission Denied Errors

Understanding the Problem

When Nginx returns a 403 Forbidden or logs an error like ...