sudoless docker command for none root user

1. add docker user group

#cat /etc/group         #view all users groups
#sudo cat /etc/shadow   #view all users
# if the docker user group not exist, then create docker user group using command as follows: 
sudo groupadd docker #add docker user group

 

2. add current user to docker user group

sudo gpasswd -a ${USER} docker #add current user to docker user group

 

3. restart docker service

sudo systemctl restart docker #restart docker service

 

4. autharization

sudo chmod a+rw /var/run/docker.sock                #add read and read/write permmision for docker.sock
sudo chown -R ${USER}:docker /home/${USER}/.docker  #docker login info, may not exists, if not exist, then ignore it.