install docker

curl -fsSL https://get.docker.com -o get-docker.sh
sudo sh get-docker.sh
sudo usermod -aG docker $USER $ sudo apt-get update
 $ sudo apt-get install docker-ce docker-ce-cli containerd.io
 sudo apt-get install -y linux-image-generic-lts-trusty linux-headers-generic-lts-trusty
sudo apt-get update
sudo apt-get upgrade
sudo apt install docker.io
systemctl start docker
systemctl enable docker
docker --version$ sudo apt-get remove docker docker-engine docker.io containerd runc
 sudo apt-get install -y xserver-xorg-lts-trusty libgl1-mesa-glx-lts-trusty