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

Cloudflare 521 Error: How to Check Server Logs

If you're seeing a Cloudflare 521 error, it means Cloudflare tried to connect to your origin ...

Fix Remote Desktop Connection Blocked by Firewall

When you try to connect to a remote PC using Remote Desktop (RDP) and get an error like “Remote D...

Fix Virtual Environment Not Activating in Terminal

Why Your Virtual Environment Won't Activate

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

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...

How to Fix Nginx Redirect Loop 302 Errors

You're seeing a 302 redirect loop in Nginx — the browser keeps bouncing between URLs until it...

npm package.json Not Found After npm init

You run npm init, answer the prompts, and then try to install a package or run a scr...