diametrica@diametrica-System-Name:~$ sudo apt-get install pastebinit 
Lettura elenco dei pacchetti... Fatto
Generazione albero delle dipendenze       
Lettura informazioni sullo stato... Fatto
Package pastebinit is not available, but is referred to by another package.
This may mean that the package is missing, has been obsoleted, or
is only available from another source

E: Package 'pastebinit' has no installation candidate
diametrica@diametrica-System-Name:~$