$ sudo dpkg -i vagrant.deb
$ sudo apt-get install libxslt-dev libxml2-dev libvirt-dev zlib1g-dev
$ export PATH=/opt/vagrant/embedded/bin:$PATH
$ vagrant plugin install vagrant-libvirt

$ sudo rpm -i vagrant.rpm
$ sudo yum install libxslt-devel libxml2-devel libvirt-devel libguestfs-tools-c
$ export PATH=/opt/vagrant/embedded/bin:$PATH
$ vagrant plugin install vagrant-libvirt

vagrant plugin install vagrant-disksize

vagrant.configure('2') do |config|
    config.vm.box = 'ubuntu/bionic64'
    config.disksize.size = '50GB'
end

$ mkdir vagrant
$ cd vagrant
$ vagrant init centos/7
$ vagrant up --provider libvirt
$ export VAGRANT_DEFAULT_PROVIDER=libvirt
$ vagrant up
$ vagrant ssh dcos1

cd ~/.vagrant.d/boxes/ubuntu-VAGRANTSLASH-xenial64/20170803.0.0/virtualbox
VBoxManage clonehd ubuntu-xenial-16.04-cloudimg.vmdk tmp.vdi --format vdi
VBoxManage modifyhd tmp.vdi --resize 102400
clonehd tmp.vdi tmp.vmdk --format vmdk
mv tmp.vmdk ubuntu-xenial-16.04-cloudimg.vmdk
rm -f tmp.vdi