Install docker on a new machine

dockerify.sh

#!/bin/bash

# run:
# bash <(curl -fsSL <url-to-gist>)

apt-get update \
&& apt-get upgrade -y 

bash <(curl -fsSL https://get.docker.com )
curl -L https://github.com/docker/compose/releases/download/1.28.2/docker-compose-`uname -s`-`uname -m` -o /usr/local/bin/docker-compose \
&& chmod +x /usr/local/bin/docker-compose

echo "Current entropy:"
cat /proc/sys/kernel/random/entropy_avail
apt-get install rng-tools -y
echo 'HRNGDEVICE=/dev/urandom' >> /etc/default/rng-tools
echo 'RNGDOPTIONS="-W 90% -t 1"' >> /etc/default/rng-tools
/etc/init.d/rng-tools restart
echo "New entropy:"
cat /proc/sys/kernel/random/entropy_avail

bash <(curl -fsSL https://gist.githubusercontent.com/chriskalmar/b4012e18131e45d05b1f19c84dbaacd7/raw/751efe8a43184b15eccf26426852577112a03134/dockerify.sh)