how install docker code example

Example 1: docker installation

# Docker installation via Curl
curl -fsSL https://get.docker.com -o get-docker.sh

Example 2: install docker linux

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

Example 3: docker for linux

$ sudo apt-get remove docker docker-engine docker.io containerd runc