Welcome to Ubuntu 12.04 LTS (GNU/Linux 3.2.0-23-generic-pae i686)
 × DFocumentation:  https://help.ubuntu.com/

ubuntu@ubuntu: $
Broadcast message from root@ubuntu
          (Unknow) at 1:59 ...
The sistem is going down for reboot NOW!
modem-manager[1339]: <info> Caught signal 15, shutting down...