create vagrant box

vagrant-box.sh

#!/bin/bash

# Required linux packages for vagrant
sudo apt-get install linux-headers-generic build-essential dkms

# Install VBoxGuestAdditions
wget http://download.virtualbox.org/virtualbox/4.3.22/VBoxGuestAdditions_4.3.22.iso
sudo mkdir /media/VBoxGuestAdditions
sudo mount -o loop,ro VBoxGuestAdditions_4.3.22.iso /media/VBoxGuestAdditions
sudo sh /media/VBoxGuestAdditions/VBoxLinuxAdditions.run
rm VBoxGuestAdditions_4.3.22.iso 
sudo umount /media/VBoxGuestAdditions
sudo rmdir /media/VBoxGuestAdditions

# Create vagrant user
echo "vagrant" | openssl passwd -1 -stdin
# $1$rEQKVH3j$k9O1r5TDjN.sBhELJP.ID.
sudo useradd --create-home --home-dir /home/vagrant --password '$1$rEQKVH3j$k9O1r5TDjN.sBhELJP.ID.' --shell /bin/bash --user-group vagrant
sudo bash -c 'echo "vagrant ALL=(ALL) NOPASSWD:ALL" > /etc/sudoers.d/vagrant'
sudo apt-get install openssh-server

# Add vagrant key to vagrant
sudo su - vagrant
mkdir -p /home/vagrant/.ssh
chmod 0700 /home/vagrant/.ssh
wget --no-check-certificate \
    https://raw.github.com/mitchellh/vagrant/master/keys/vagrant.pub \
    -O /home/vagrant/.ssh/authorized_keys
chmod 0600 /home/vagrant/.ssh/authorized_keys
chown -R vagrant /home/vagrant/.ssh