gistfile1.txt

root@ubuntu:~# cat package_list | sudo dpkg --set-selections
root@ubuntu:~# cat package_list | sudo dpkg --set-selections && sudo apt-get dselect-upgrade
Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following packages have unmet dependencies:
 upstart : Depends: initscripts
           Depends: mountall
           Depends: ifupdown (>= 0.6.10ubuntu5)
E: Error, pkgProblemResolver::Resolve generated breaks, this may be caused by held packages.
E: Internal error, problem resolver broke stuff
root@ubuntu:~#