marco@ubuntu-vmware.local's password: 
Welcome to Ubuntu 17.04 (GNU/Linux 4.10.0-19-generic x86_64)

 * Documentation:  https://help.ubuntu.com
 * Management:     https://landscape.canonical.com
 * Support:        https://ubuntu.com/advantage

Ubuntu 12.04 LTS end-of-life was April 28, 2017 -- Upgrade your Precise systems!
 $ sudo do-release-upgrade -m server

45 packages can be updated.
34 updates are security updates.