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

How to Update Node Version for Package Compatibility

When you run npm install and see warnings about engine incompatibility or errors lik...

Fix Nginx 502 Bad Gateway on Docker Ubuntu

Fixing Cloudflare Wildcard Subdomain Proxy Errors

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

Fix ERR_CONNECTION_RESET Caused by Chrome Extensions

If Chrome suddenly shows ERR_CONNECTION_RESET on sites that used to work, a misb...

Fix WiFi Connected But No Internet on Windows 11 Using Netsh

You connect to WiFi, see full bars, but websites won't load. This is common on Windows 11. Th...

Fix Docker Compose 'Port Already Allocated' for MySQL

You run docker compose up and get an error like Error: Port 3306 is already al...