Uma vez instalado o Ubuntu 14.04LTS, é necessário habilitar dispositivos ou drivers de rede? A eth0 e wlan0 estão lá, no entanto, são inutilizáveis

Question

Placa mãe XFX MG63Mi7109 LGA 775 NVIDIA GeForce 7100 / nForce 630i HDMI Micro ATX Intel

Adaptador PCI-Express N900 TP-LINK TL-WDN4800 de banda dupla sem fio, 2,4 GHz 450 Mbps / 5 Ghz 450 Mbps

Processador Intel Core 2 Quad Q9300 2,50 GHz

Komputerbay 4 GB 2X 2 GB DDR2 800 MHz PC2-6300 PC2-6400 DDR2 800 (240 PIN) Memória de mesa DIMM

# lshw -C network
  *-network               
       description: Network controller
       product: BCM4321 802.11b/g/n
       vendor: Broadcom Corporation
       physical id: 5
       bus info: pci@0000:01:05.0
       version: 01
       width: 32 bits
       clock: 33MHz
       capabilities: bus_master
       configuration: driver=b43-pci-bridge latency=64
       resources: irq:19 memory:fe9fc000-fe9fffff
  *-network
       description: Wireless interface
       product: AR93xx Wireless Network Adapter
       vendor: Qualcomm Atheros
       physical id: 0
       bus info: pci@0000:03:00.0
       logical name: wlan0
       version: 01
       serial: 30:b5:c2:12:90:65
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress bus_master cap_list rom ethernet physical wireless
       configuration: broadcast=yes driver=ath9k driverversion=3.16.0-30-generic firmware=N/A latency=0 link=no multicast=yes wireless=IEEE 802.11abgn
       resources: irq:17 memory:febe0000-febfffff memory:febd0000-febdffff
  *-network
       description: Ethernet interface
       product: MCP73 Ethernet
       vendor: NVIDIA Corporation
       physical id: f
       bus info: pci@0000:00:0f.0
       logical name: eth0
       version: a2
       serial: 00:1d:92:eb:5f:e9
       size: 1Gbit/s
       capacity: 1Gbit/s
       width: 32 bits
       clock: 66MHz
       capabilities: pm msi bus_master cap_list ethernet physical mii 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
       configuration: autonegotiation=on broadcast=yes driver=forcedeth driverversion=0.64 duplex=full latency=0 link=yes maxlatency=20 mingnt=1 multicast=yes port=MII speed=1Gbit/s
       resources: irq:45 memory:fe877000-fe877fff ioport:c880(size=8) memory:fe87e800-fe87e8ff memory:fe87e400-fe87e40f


# lspci | egrep -i --color 'network|ethernet'
00:0f.0 Ethernet controller: NVIDIA Corporation MCP73 Ethernet (rev a2)
01:05.0 Network controller: Broadcom Corporation BCM4321 802.11b/g/n (rev 01)
03:00.0 Network controller: Qualcomm Atheros AR93xx Wireless Network Adapter (rev 01)
# ifconfig
eth0      Link encap:Ethernet  HWaddr 00:1d:92:eb:5f:e9  
          inet6 addr: fe80::21d:92ff:feeb:5fe9/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:296 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)
lo        Link encap:Local Loopback  
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:65536  Metric:1
          RX packets:325 errors:0 dropped:0 overruns:0 frame:0
          TX packets:325 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0 
          RX bytes:24453 (24.4 KB)  TX bytes:24453 (24.4 KB)
wlan0     Link encap:Ethernet  HWaddr 30:b5:c2:12:90:65  
          UP BROADCAST MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)
# ifconfig -a
eth0      Link encap:Ethernet  HWaddr 00:1d:92:eb:5f:e9  
          inet6 addr: fe80::21d:92ff:feeb:5fe9/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:295 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)
lo        Link encap:Local Loopback  
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:65536  Metric:1
          RX packets:325 errors:0 dropped:0 overruns:0 frame:0
          TX packets:325 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0 
          RX bytes:24453 (24.4 KB)  TX bytes:24453 (24.4 KB)
wlan0     Link encap:Ethernet  HWaddr 30:b5:c2:12:90:65  
          UP BROADCAST MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)

    

Answer 1

Você pode ter seu trabalho sem fio da Broadcom assim. Tun no terminal

sudo apt-get install bcmwl-kernel-source
sudo monprobe -r b43 bcma
sudo modprobe wl

E eu sugiro fazer uma pergunta separada sobre o seu adaptador de rede com fio.