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

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: 

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/

Docker Proxy Settings

Docker Proxy Settings

$ cd /etc/systemd/system/docker.service.d

$ touch http-proxy.conf

$ sudo vi http-proxy.conf

Add below content to http-proxy.conf

[Service]

Environment="HTTP_PROXY=YourProxyURL:port"

Environment="HTTPS_PROXY=YourProxyURL:port"