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

Fixing Nginx 502 Bad Gateway with Docker and Load Balancers

If you're running Nginx as a reverse proxy or load balancer in a Docker setup, a 502 Bad Gate...

Docker Compose Environment Variable Not Set in Dockerfile

You set an environment variable in your docker-compose.yml file, but when you try to...

Fix Docker Volume Permission Denied as Root

You start a container as root, mount a volume, and get a 'permission denied' error. This ...

Bluetooth Icon Missing in Windows 11: How to Restore It

You open the system tray on Windows 11 and the Bluetooth icon is gone. Even if Bluetooth is turne...

Fix Windows 11 Update Stuck at 0% – BITS Service Issues

You click 'Check for updates' in Windows 11, and it sits at 0% for minutes or hours. Ofte...

Fix npm install Permission Denied After Node Update