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

Fix npm ENOWENT Package.json Not Found on Mac

If you see 'ENOENT: no such file or directory, open /path/to/package.json' when running n...

Fix Ethernet Connected but No Internet on Windows 11

You plug in an Ethernet cable, Windows 11 shows you're connected, but websites won't load...

How to Fix Nginx Upstream Connection Refused Error

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

Cloudflare Wildcard Subdomain CNAME Setup Guide

If you need to route all subdomains (e.g., *.example.com) to the same target, a wildcard CNAME re...

How to Fix Cloudflare SSL Full Strict Self-Signed Certificate Error

How to Fix Cloudflare 522 Error: Step-by-Step Support Guide

When you see a Cloudflare 522 error, it means the connection between Cloudflare and your origin s...