naylor@naylor-desktop:~$ sudo aptitude install -f
Reading package lists... Done
Building dependency tree       
Reading state information... Done
Reading extended state information       
Initialising package states... Done
Writing extended state information... Done
Building tag database... Done             
No packages will be installed, upgraded, or removed.
0 packages upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
Need to get 0B of archives. After unpacking 0B will be used.
Writing extended state information... Done
naylor@naylor-desktop:~$