mandriva2010.tgz : archive containing a virtual machine based on mandriva2010.0
supporting the actual default kernel (2.6.18) (F. Butelle 20101802).

debian2.tgz : archive containing a virtual machine based on debian lenny used for
courses at the IUT de Villetaneuse (built by F. Butelle, nov-dec 2010).

router-debian-lenny-13129 : archive containing a virtual router based on debian lenny 
(built by J.V. Loddo, march 2013).