Installing Docker on Ubuntu 14.04 OS [Update]

Steps:

  s1:    sudo apt-get update
  s2:    sudo apt-get install \
                  apt-transport-https \
                  ca-certificates \
                  curl \
                  software-properties-common
  s3:    curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -
  s4:    sudo add-apt-repository \
                  "deb [arch=amd64] https://download.docker.com/linux/ubuntu \
                  $(lsb_release -cs) \
                  stable edge"
  s5:    sudo apt-get update
  s6:    sudo apt-get install docker-ce
  s7:  For testing the docker
           sudo docker run hello-world

 Create the "docker" group
   sudo groupadd docker
Add the current user to the "docker" group
   sudo usermod -aG docker $USER

Now logout and then login again from the currnet session.

You can download and run the following shell script file.
InstallDocker.sh