[ maxime @ neo ~]
$ 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.
 linux-server : Depends: linux-headers-server (= 3.2.0.45.54) but 3.2.0.52.62 is installed
E: Unmet dependencies. Try using -f.