vagrant_ansible_chef.txt

Get fresh ubuntu machine:
vagrant init ubuntu/trusty64
vagrant up --provider virtualbox

SSH into newly built machine:
vagrant ssh

Dispose machine using:
vagrant destroy

To create vagrant file:
vagrant init

ls /vagrant
Vagrantfile

Reload Vagrantfile:
vagrant reload

Save the current state:
vagrant suspend 

Gracefully shutdown the machine
vagrant halt

Display the ssh configuration:
vagrant ssh-config

ssh-keygen