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

Fix Windows Explorer Restarting with SFC Scannow

If Windows Explorer keeps restarting on its own—your taskbar disappears and reappears, or File Ex...

Docker Compose Environment Variable Not Updating? Fix It

How to Remove the Externally Managed Environment Flag in pip

If you're seeing error: externally-managed-environment when using pip on a moder...

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

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

Docker Container Exits Immediately in Foreground Mode: Fixes

You run a Docker container with docker run -it myimage and it exits immediately. The...

Cloudflare SSL Full Strict Configuration Checklist

If you see 'This website is not available' or a redirect loop after enabling Cloudflare S...