Untitled

 apt-get dist-upgrade

Reading package lists... Done

Building dependency tree

Reading state information... Done

Calculating upgrade... Failed

The following packages have unmet dependencies:

 cron : Depends: upstart-job

 perl : Depends: libdb5.3 but it is not going to be installed

E: Error, pkgProblemResolver::Resolve generated breaks, this may be caused by held packages.

E: Internal error, Upgrade broke stuff