permission denied while trying to connect to the Docker daemon socket code example

Example 1: Got permission denied while trying to connect to the Docker daemon socket

sudo chmod 666 /var/run/docker.sock

Example 2: Got permission denied while trying to connect to the Docker daemon socket at unix:///var/run/docker.sock

sudo chmod 666 /var/run/docker.sock

Example 3: Docker permission denied

sudo usermod -a -G docker $USER

Example 4: permission denied while trying to connect to the docker daemon socket

sudo usermod -aG docker ${ubuntu}

Example 5: Got permission denied while trying to connect to the Docker daemon socket at unix:///var/run/docker.sock:

newgrp docker

Example 6: permission denied while trying to connect to the docker daemon socket

sudo usermod -aG docker ${USER}