rabbitmq_ubuntu_16_installer.sh

#!/bin/sh

## Script adapted from https://www.rabbitmq.com/install-debian.html
##

## If sudo is not available on the system,
## uncomment the line below to install it
# apt-get install -y sudo

sudo apt-get update -y

## Install prerequisites
sudo apt-get install curl gnupg -y

## Install RabbitMQ signing key
curl -fsSL https://github.com/rabbitmq/signing-keys/releases/download/2.0/rabbitmq-release-signing-key.asc | sudo apt-key add -

## Install apt HTTPS transport
sudo apt-get install apt-transport-https

## Add Bintray repositories that provision latest RabbitMQ and Erlang 21.x releases
sudo tee /etc/apt/sources.list.d/bintray.rabbitmq.list <<EOF
## Installs the latest Erlang 22.x release.
## Change component to "erlang-21.x" to install the latest 21.x version.
## "bionic" as distribution name should work for any later Ubuntu or Debian release.
## See the release to distribution mapping table in RabbitMQ doc guides to learn more.
deb https://dl.bintray.com/rabbitmq-erlang/debian xenial erlang
deb https://dl.bintray.com/rabbitmq/debian xenial main
EOF

## Update package indices
sudo apt-get update -y

## Install rabbitmq-server and its dependencies
sudo apt-get install rabbitmq-server -y --fix-missing

## Set it to start at boot time
sudo systemctl enable  rabbitmq-server

Instructions

1. Copy the script into a sh file (e.g. rabbitmq_ubuntu_16_installer.sh) on your ubuntu 16.04 machine
2. Make the script executable by running the following command:

   sudo chmod +x rabbitmq_ubuntu_16_installer.sh

3. Run the script

   ./rabbitmq_ubuntu_16_installer.sh