$ vagrant init precise64 http://files.vagrantup.com/precise64.box 

$ vagrant init precise64

$ vagrant init centos/7

  # Create a private network, which allows host-only access to the machine
  # using a specific IP.
  # config.vm.network "private_network", ip: "192.168.33.10"
  config.vm.network "private_network", ip: "192.168.33.10"

  # Create a public network, which generally matched to bridged network.
  # Bridged networks make the machine appear as another physical device on
  # your network.
  # config.vm.network "public_network"
  config.vm.network "public_network", bridge: "eth0"

$ vagrant box add precise64 http://files.vagrantup.com/precise64.box 

$ vagrant box add centos/7

$ vagrant up

$ vagrant ssh 
Welcome to Ubuntu 12.04 LTS (GNU/Linux 3.2.0-23-generic x86_64)

 * Documentation:  https://help.ubuntu.com/
New release '14.04.5 LTS' available.
Run 'do-release-upgrade' to upgrade to it.

Welcome to your Vagrant-built virtual machine.
Last login: Sat Sep  3 23:00:55 2016 from 10.0.2.2

$ cat /etc/os-release
NAME="Ubuntu"
VERSION="12.04 LTS, Precise Pangolin"
ID=ubuntu
ID_LIKE=debian
PRETTY_NAME="Ubuntu precise (12.04 LTS)"
VERSION_ID="12.04"

$ vagrant box list 

$ vagrant box remove sparkmooc/base 

$ vagrant halt

$ vagrant ssh-config

$ sudo add-apt-repository ppa:webupd8team/java
$ sudo apt-get update
$ sudo apt-get install oracle-java8-installer

config.vm.provider "virtualbox" do |v|
  v.memory = 1024
  v.cpus = 2
end

10.0.2.2