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

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 ...

How to Fix Git Push Rejected Non-Fast-Forward Upstream

When you run git push and see rejected! non-fast-forward, it means your...

Docker Container Exits Immediately with Volume Mount – Fixes

You start a Docker container with a volume mount, and it exits immediately – no error, or just a ...

Fix Chrome Black Screen on Nvidia GPU with Hardware Acceleration

If you're seeing a black screen in Chrome—especially when watching videos or scrolling—and yo...

How to Fix 'Git Remote Origin Already Exists' Error