pingui@Pingui-Lubuntu-15:~$  sudo apt-get install linux-firmware-nonfree | pastebinit
[sudo] password for pingui: 
E: dpkg è stato interrotto. È necessario eseguire "sudo dpkg --configure -a" per correggere il problema. 
You are trying to send an empty document, exiting.
pingui@Pingui-Lubuntu-15:~$ sudo dpkg --configure -a | pastebinit

^Cdpkg: errore nell'elaborare il pacchetto bcmwl-kernel-source (--configure):
 sottoprocesso installato script di post-installation interrotto
KeyboardInterrupt caught.
Si sono verificati degli errori nell'elaborazione:
 bcmwl-kernel-source
pingui@Pingui-Lubuntu-15:~$ sudo dpkg --configure -a
Configurazione di bcmwl-kernel-source (6.30.223.248+bdcom-0ubuntu2)...
Removing old bcmwl-6.30.223.248+bdcom DKMS files...

-------- Uninstall Beginning --------
Module:  bcmwl
Version: 6.30.223.248+bdcom
Kernel:  3.19.0-15-generic (i686)
-------------------------------------

Status: Before uninstall, this module version was ACTIVE on this kernel.

wl.ko:
 - Uninstallation
   - Deleting from: /lib/modules/3.19.0-15-generic/updates/dkms/
 - Original module
   - No original module was found for this module on this kernel.
   - Use the dkms install command to reinstall any previous module version.

depmod....

DKMS: uninstall completed.

------------------------------
Deleting module version: 6.30.223.248+bdcom
completely from the DKMS tree.
------------------------------
Done.
Loading new bcmwl-6.30.223.248+bdcom DKMS files...
Building only for 3.19.0-15-generic
Building for architecture i686
Building initial module for 3.19.0-15-generic
Done.

wl:
Running module version sanity check.
 - Original module
   - No original module exists within this kernel
 - Installation
   - Installing to /lib/modules/3.19.0-15-generic/updates/dkms/

depmod....

DKMS: install completed.