root@lubuntu:/# sudo apt-get install --reinstall grub-common
sudo: unable to resolve host lubuntu
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:
 grub-pc : Depends: grub2-common (= 2.02~beta2-9ubuntu1.12)
           Depends: grub-pc-bin (= 2.02~beta2-9ubuntu1.12)
           Depends: grub-gfxpayload-lists but it is not going to be installed
E: Unmet dependencies. Try 'apt-get -f install' with no packages (or specify a solution).