ernesto@ernesto-Satellite-L500:~$ apt-cache policy gis-workstation
gis-workstation:
  Installato: (nessuno)
  Candidato:  0.0.2ubuntu2
  Tabella versione:
     0.0.2ubuntu2 0
        500 http://it.archive.ubuntu.com/ubuntu/ trusty/universe i386 Packages
ernesto@ernesto-Satellite-L500:~$