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

Fix Nginx Upstream Connection Refused Behind Cloudflare

If you see upstream connection refused in your Nginx error logs while using Cloudfla...

How to Stop Nginx Redirect Loop: Practical Fixes

An Nginx redirect loop (too many redirects) usually appears as a browser error after multiple 301...

Fix Nginx Permission Denied for Static Files

Common Causes

When Nginx returns a 403 Forbidden or 'permission denied' error for...

Docker Compose 'Network Not Found' Error Fix

When running docker compose up, you might see an error like: