jacta@jactalappen ~ $ sudo apt-get upgrade
Reading package lists... Done
Building dependency tree
Reading state information... Done
You might want to run 'apt-get -f install' to correct these.
The following packages have unmet dependencies:
 libc-dev-bin : Depends: libc6 (< 2.14) but 2.15-0ubuntu10 is installed
 libc6 : Depends: libc-bin (= 2.15-0ubuntu10) but 2.13-27 is installed
 libc6-dev : Depends: libc6 (= 2.13-27) but 2.15-0ubuntu10 is installed
 libc6-i386 : Depends: libc6 (= 2.13-27) but 2.15-0ubuntu10 is installed
E: Unmet dependencies. Try using -f.
jacta@jactalappen ~ $