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

Fixing Nginx Upstream Connection Refused on Port 443

You see "upstream connection refused" in your Nginx error log when proxying requests to p...

Fix npm install Incompatible Node Version Errors

When you run npm install and get an error about an incompatible Node.js version, it ...

Cloudflare DNS Propagation Error Fix: Step-by-Step Guide

You updated your DNS records in Cloudflare, but hours later the changes aren't showing. Visit...

VS Code Debugger Not Hitting Breakpoints in Node.js: Fixes

You set breakpoints in your Node.js code, start the debugger, and the execution runs straight thr...

Fix Virtual Environment Not Activating in Terminal

Why Your Virtual Environment Won't Activate

You open a terminal, navigate to your pro...

Cloudflare Origin Certificate Setup for cPanel

If you use Cloudflare as a reverse proxy, you can install a Cloudflare Origin Certificate on your...