1. Download Vagrant install package then install and verify.
   link: https://www.vagrantup.com/downloads.html

$ vagrant

2. Create a directory for your vagrant box environment.

mkdir work
cd work
vagrant init

3. Download a box template(ubuntu) from official site

$ vagrant box add hashicorp/precise64

4. Edit Vagrantfile : set vagrant box by editing the config.

$ sudo vim Vagrantfile

**make sure this line is uncommented and the value is set for the box.

config.vm.box = "hashicorp/precise64"
config.vm.network "private_network", ip: "192.168.33.10"

5. Vagrant Up

$ vagrant up
$ vagrant ssh

Type vagrant ssh to log in.

6. Your ubuntu vagrant box is good to go. Install nginx or whatever you want in the box.