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

Fix Nginx 'upstream connection refused' When Talking to PHP-FPM

You're seeing upstream connection refused in your Nginx error log, and your site...

VSCode Breakpoint Not Working? Here's How to Fix It

You set a breakpoint, start debugging, but the code runs past it without stopping. This is a comm...

Fix Python Permission Denied When Running pip install -r requirements.txt

Cloudflare 522 Error: Server Response Time Troubleshooting

You're browsing a site and get a Cloudflare 522 error—'Connection timed out' or '...

Docker Pull Access Denied on Mac M1: Step-by-Step Fix

If you're running Docker on an Apple M1 Mac and see 'access denied' when pulling an i...

Fix 'Python' Command Not Found on Windows 7

When you type python in Command Prompt on Windows 7 and get 'python' i...