Ubuntu 14.04 LTS

Install php7 from source on Ubuntu 14.04 LTS

# Install virtualbox

sudo apt-get install virtualbox 
sudo apt-get install virtualbox-dkms

# Install vagrant from source (vagrant from ubuntu repo doesn´t work)

wget https://dl.bintray.com/mitchellh/vagrant/vagrant_1.7.4_i686.deb 
sudo apt-get purge vagrant 
sudo dpkg -i vagrant_1.7.4_i686.deb 

# Install Ubuntu 14.04 LTS

vagrant init ubuntu/trusty32 
vagrant up --provider virtualbox
vagrant ssh

# On Ubuntu machine