docker dial unix /var/run/docker.sock: connect: permission denied code example

Example 1: Got permission denied while trying to connect to the Docker daemon socket at unix:///var/run/docker.sock: Get http://%2Fvar%2Frun%2Fdocker.sock/v1.40/containers/json: dial unix /var/run/docker.sock: connect: permission denied

sudo usermod -aG docker ${USER}

Example 2: docker dial unix /var/run/docker.sock: connect: permission denied

sudo chmod 666 /var/run/docker.sock

Example 3: Docker permission denied

sudo usermod -a -G docker $USER

Example 4: containers/create: dial unix /var/run/docker.sock: connect: permission denied

sudo setfacl --modify user:<user name or ID>:rw /var/run/docker.sock