Technical requirements

Throughout this chapter, we're going to use the following Vagrantfile; note that we only use two machines: CentOS to highlight SELinux features and abilities, and an Ubuntu installation for AppArmor:

# -*- mode: ruby -*-
# vi: set ft=ruby :

$provisionScript = <<-SCRIPT
sed -i 's/console=tty0 console=ttyS0,115200n8//g' /boot/grub2/grub.cfg
systemctl restart sshd
SCRIPT

Vagrant.configure("2") do |config|

 config.vm.define "centos7" do |centos7|
 centos7.vm.box = "centos/7"
 centos7.vm.box_version = "1804.02"
 centos7.vm.provision "shell",
 inline: $provisionScript
 end

 config.vm.define "ubuntu1804" do |ubuntu1804|
 ubuntu1804.vm.box = "ubuntu/bionic64"
 ubuntu1804.vm.box_version = "20180927.0.0"
 end

end

At the time of writing, the provisionScript used here is to fix a slight...