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

Fix DNS Probe Finished NXDOMAIN on Custom DNS Server

If you see “DNS PROBE FINISHED NXDOMAIN” in Chrome or another browser while using a custom DNS se...

Cloudflare SSL Full Strict Setup Guide

If you enable Cloudflare's SSL/TLS encryption and set it to Full (Strict), y...

Fix VS Code Breakpoint Not Hit in Express App

You set a breakpoint in your Express route handler, start debugging, and the breakpoint is never ...

Fix ERR_CONNECTION_RESET in Chrome on Mac

If you see ERR_CONNECTION_RESET in Chrome on your Mac, the browser cannot establ...

Checklist for Troubleshooting Nginx Permission Denied Errors

Understanding the Problem

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