#!/bin/bash yum install -y yum-utils device-mapper-persistent-data lvm2 epel-release wget yum groupinstall -y "Development Tools" yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo yum install -y docker /etc/init.d/docker start chkconfig docker on docker pull hashicorp/http-echo docker run -d -p 80:80 hashicorp/http-echo -listen=:80 -text="hello world"