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...

Fix Windows 11 Blue Screen After Update Uninstall Problem

You uninstalled a Windows 11 update to fix another issue, but now you're stuck with a blue sc...

Fix Nginx Permission Denied for Static Files

Common Causes

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

Using Git LFS Migrate on an Existing Repository

If you have a Git repository that already contains large files—like binaries, archives, or datase...

How to Disable pip's Externally Managed Environment Warning

If you see the error error: externally-managed-environment when trying to install Py...

Fix Nginx Redirect Loop in WordPress

You visit your WordPress site and get a "redirect loop" or "too many redirects" e...