how install docker on 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: install docker ubuntu

sudo apt install docker.io

Example 3: intall docker ubuntu command

$ sudo apt-get update
 $ sudo apt-get install docker-ce docker-ce-cli containerd.io

Example 4: install docker on ubuntu 18.04

sudo apt update

Example 5: docker engine install ubuntu

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