bash-4.2$ docker info
Got permission denied while trying to connect to the Docker daemon socket at unix:///var/run/docker.sock: Get http://%2Fvar%2Frun%2Fdocker.sock/v1.27/info: dial unix /var/run/docker.sock: connect: permission denied
Solution:
Got permission denied while trying to connect to the Docker daemon socket at unix:///var/run/docker.sock: Get http://%2Fvar%2Frun%2Fdocker.sock/v1.27/info: dial unix /var/run/docker.sock: connect: permission denied
Solution:
bash-4.2$ sudo usermod -a -G docker $USER
https://techoverflow.net/2017/03/01/solving-docker-permission-denied-while-trying-to-connect-to-the-docker-daemon-socket/