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

Grant Docker Registry Pull Access: Step-by-Step Guide

If you manage a private Docker registry, you often need to give certain users or CI systems the a...

Fix Nginx 502 Bad Gateway with Docker and PHP-FPM

You have a Docker setup with Nginx proxying to a PHP-FPM container, and you're getting a 502 ...

Fix Windows Defender Real-Time Protection Stuck Off in Windows 11

You open Windows Security, see real-time protection is off, click the toggle, and it turns back o...

Fix Windows Security App Missing from Start Menu

You open the Start menu, type “Windows Security,” but nothing appears. The app may have been unre...

Fix Nginx Upstream Connection Refused Socket Error