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

Fix Wi-Fi Adapter Not Working in Windows 11: No Internet

You connect to Wi-Fi in Windows 11, but the icon shows a globe with “No internet.” The adapter mi...

Fix VS Code IntelliSense Not Showing Suggestions

You're typing code in VS Code, expecting autocomplete suggestions, but nothing appears. This ...

Fix Nginx Upstream Connection Refused Error

If you see upstream connection refused in your Nginx error logs, it means Nginx trie...

Fix Git Push Rejected Non Fast Forward Error

Setup Cloudflare Origin Certificate for Nginx

If you use Cloudflare as a reverse proxy, enabling HTTPS between Cloudflare and your Nginx server...

Fixing Cloudflare Wildcard Subdomain Permissions Denied Errors

You set up a wildcard DNS record in Cloudflare, but requests to subdomains return a permissions d...