error: E: Could not perform immediate configuration on ‘util-linux’. Please see man 5 apt.conf under APT::Immediate-Configure for details. (2
I got an error while upgrading ubuntu 11.0 to 12.4 , broken apt manager will stop updating the packages. hours after goggling I found the solution that aptitude installation is able to fulfill this requirement , with the blow commands
$ sudo aptitude install upstart
After completing this I can able to continue updating my Ubuntu packages.
$sudo apt-get dist-upgrade -y