install docker on ubuntu 18.04

Step 1: Update Software Repositories

sudo apt-get update

Step 2: Uninstall Old Versions of Docker

sudo apt-get remove docker docker-engine docker.io

Step 3: Install Docker

sudo apt install docker.io

Step 4: Start and Automate Docker

sudo systemctl start docker

sudo systemctl enable docker

Step 5 (Optional): Check Docker Version

docker --version