sudo apt-get install bcmwl-kernel-source
Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following extra packages will be installed:
  dkms fakeroot libfakeroot
Suggested packages:
  dpkg-dev debhelper
The following NEW packages will be installed:
  bcmwl-kernel-source dkms fakeroot libfakeroot
0 upgraded, 4 newly installed, 0 to remove and 304 not upgraded.
E: Could not get lock /var/cache/apt/archives/lock - open (11: Resource temporarily unavailable)
E: Unable to lock directory /var/cache/apt/archives/