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...

Clear Chrome Certificate Cache to Fix NET::ERR_CERT_AUTHORITY_INVALID

When you see NET::ERR_CERT_AUTHORITY_INVALID in Chrome, it usually means the browser...

Fix 'Git Remote Origin Already Exists' Error

When you try to add a remote named 'origin' but Git tells you it already exists, it's...

Fix VSCode Save File Permission Denied Error

You try to save a file in Visual Studio Code and see 'Permission denied'. The file might ...

How to Fix 'Git Remote Origin Already Exists' Error