Install docker on ubuntu 1804 code example
Example 1: how to install docker ubuntu
sudo apt-get update
sudo apt-get upgrade
sudo apt install docker.io
systemctl start docker
systemctl enable docker
docker --version
Example 2: install docker ubuntu
sudo apt install docker.io -y
Example 3: install docker linux
sudo apt-get install -y linux-image-generic-lts-trusty linux-headers-generic-lts-trusty