run docker engine ubuntu 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: how to start docker in ubuntu

systemctl start docker
# to start docker from terminal

Example 3: install docker on ubuntu 18.04

sudo add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu bionic stable"

Example 4: docker engine install ubuntu

$ curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -