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

Fixing Nginx Upstream Connection Refused in Load Balancing

When Nginx load balancing returns upstream connection refused, it means one or more ...

Windows 11 Installation Assistant Stuck at 99% After Restart

You've run the Windows 11 Installation Assistant, it reached 99% after restart, and now it...

Cloudflare SSL Full Strict Not Working? Try These Fixes

You've set Cloudflare SSL/TLS encryption mode to Full (Strict), but your site shows a secure ...

Fix Git Push Rejected Non Fast Forward Error

Fix Nginx Permission Denied for Static Files

Common Causes

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

How to Remove an Existing Git Remote Origin

If you've cloned a repository or added a remote origin that you no longer need—or if you need...