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

VS Code Git Not Detecting Changes: Step-by-Step Fix

You've edited files in VS Code, but the Source Control panel shows no changes. The git icon m...

Fix Windows Security App Permission Issues

You open Windows Security and see a message like "This app has been blocked for your protecti...

Fix Nginx Upstream Connection Refused Error

If you see upstream connection refused in your Nginx error logs, it means Nginx trie...

Fix Nginx 502 Bad Gateway on Docker Ubuntu

Fix 'docker network not found default network' Error

When you see docker network not found default network, it usually means Docker can&#...

Cloudflare 522 Error After Server Migration: Fixes That Work

If you've just migrated your website to a new server and now see a Cloudflare 522 error (conn...