docker warning config.json permission denied
Try running
sudo chown "$USER":"$USER" /home/"$USER"/.docker -R
sudo chmod g+rwx "/home/$USER/.docker" -R
$USER is the username of the currently logged in user.
Try running
sudo chown "$USER":"$USER" /home/"$USER"/.docker -R
sudo chmod g+rwx "/home/$USER/.docker" -R
$USER is the username of the currently logged in user.