Got permission denied while trying to connect to the Docker daemon socket

Ich habe mal wieder eine nette Fehlermeldung von einer Docker-Neuinstallation auf einem Raspberry PI bekommen ;) 1 2 Warning: failed to get default registry endpoint from daemon (Got permission denied while trying to connect to the Docker daemon socket at unix:///var/run/docker.sock: Get http://%2Fvar%2Frun%2Fdocker.sock/v1.37/info: dial unix /var/run/docker.sock: connect: permission denied). Using system default: https://index.docker.io/v1/ Login with your Docker ID to push and pull images from Docker Hub. If you don't have a Docker ID, head over to https://hub....