Install an Ubuntu Vivid container :

README.md

• DebProotstrap : https://github.com/gboddin/debprootstrap
• Debproot bundles : https://debproot.siwhine.net/bundles/
• Proot : http://proot.me

install-vivid-proot-container.sh

user@host$ curl -sS http://debproot.siwhine.net/bundles/install-ubuntu-vivid-amd64-201502280227.bundle|bash -s -- vivid
Installing in vivid...
Installation done
Run vivid/start-container to chroot/proot in your new environment
user@host$ vivid/start-container 
root@vivid-container:~# apt-get moo 
                 (__) 
                 (oo) 
           /------\/ 
          / |    ||   
         *  /\---/\ 
            ~~   ~~   
..."Have you mooed today?"...
root@vivid-container:~#