kubuntu@kubuntu:~$ uname -r
3.16.0-30-generic
kubuntu@kubuntu:~$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description:    Ubuntu 14.04.2 LTS
Release:        14.04
Codename:       trusty
kubuntu@kubuntu:~$ lspci -nnk | grep -iA2 net
10:00.0 Ethernet controller [0200]: Broadcom Corporation NetLink BCM5787M Gigabit Ethernet PCI Express [14e4:1693] (rev 02)
        Subsystem: Hewlett-Packard Company Device [103c:30c2]
        Kernel driver in use: tg3
30:00.0 Network controller [0280]: Broadcom Corporation BCM4311 802.11a/b/g [14e4:4312] (rev 02)
        Subsystem: Hewlett-Packard Company Broadcom 802.11a/b/g WLAN [103c:1371]
        Kernel driver in use: b43-pci-bridge
kubuntu@kubuntu:~$ rfkill list all
0: hci0: Bluetooth
        Soft blocked: no
        Hard blocked: no