docker-without-sudo.sh

sudo /etc/init.d/docker status

#Create new docker group (in case  the previous one is not exist)
sudo groupadd docker
#groupadd: group ‘docker’ already exists

#add your current logged in user t the docker group
sudo usermod -aG docker $USER

#Restart docker daemon / service
sudo service docker restart

#re-login your current user
su ${USER}