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

Fix Nginx Permission Denied for Static Files

Common Causes

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

Fix Nginx 13 Permission Denied Error: Step-by-Step

You're configuring Nginx and see 13: Permission denied in the error log. This us...

Fixing NGINX Upstream Connection Refused SSL Errors

When NGINX logs upstream connection refused for an SSL backend, it usually means the...

Fix Cloudflare Wildcard Subdomain Not Resolving

You set up a wildcard DNS record in Cloudflare (e.g., *.example.com) expecting all s...

Fix Git Clone Connection Timed Out on GitHub Enterprise

When you run git clone on a GitHub Enterprise repository and see connection ti...