Ethernet não detectada no Ubuntu 16.04 LTS

Question

Eu sou novo no Linux. Não consigo obter uma conexão LAN no Ubuntu 16.04 LTS. Ele costumava trabalhar no Windows 7.

Aqui está o resultado de if config -a

enp0s25   Link encap:Ethernet  HWaddr f0:de:f1:2c:0c:ce  
          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)
          Interrupt:20 Memory:f8500000-f8520000 

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:93790 errors:0 dropped:0 overruns:0 frame:0
          TX packets:93790 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:8114335 (8.1 MB)  TX bytes:8114335 (8.1 MB)

wlp3s0    Link encap:Ethernet  HWaddr 00:24:d7:69:9f:28  
          inet addr:192.168.0.9  Bcast:192.168.0.255  Mask:255.255.255.0
          inet6 addr: 2606:a000:4dc4:e300:9058:8ec2:f59e:27d8/64 Scope:Global
          inet6 addr: fe80::6476:3f7c:2c08:839a/64 Scope:Link
          inet6 addr: 2606:a000:4dc4:e300:72bc:fcf9:87c9:a0b1/64 Scope:Global
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:225018 errors:0 dropped:1 overruns:0 frame:0
          TX packets:118451 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:86856712 (86.8 MB)  TX bytes:17154818 (17.1 MB)

Aqui está a saída de lspci

00:00.0 Host bridge: Intel Corporation Core Processor DRAM Controller (rev 02)
00:01.0 PCI bridge: Intel Corporation Core Processor PCI Express x16 Root Port (rev 02)
00:02.0 VGA compatible controller: Intel Corporation Core Processor Integrated Graphics Controller (rev 02)
00:16.0 Communication controller: Intel Corporation 5 Series/3400 Series Chipset HECI Controller (rev 06)
00:19.0 Ethernet controller: Intel Corporation 82577LM Gigabit Network Connection (rev 06)
00:1a.0 USB controller: Intel Corporation 5 Series/3400 Series Chipset USB2 Enhanced Host Controller (rev 06)
00:1b.0 Audio device: Intel Corporation 5 Series/3400 Series Chipset High Definition Audio (rev 06)
00:1c.0 PCI bridge: Intel Corporation 5 Series/3400 Series Chipset PCI Express Root Port 1 (rev 06)
00:1c.1 PCI bridge: Intel Corporation 5 Series/3400 Series Chipset PCI Express Root Port 2 (rev 06)
00:1c.3 PCI bridge: Intel Corporation 5 Series/3400 Series Chipset PCI Express Root Port 4 (rev 06)
00:1c.4 PCI bridge: Intel Corporation 5 Series/3400 Series Chipset PCI Express Root Port 5 (rev 06)
00:1d.0 USB controller: Intel Corporation 5 Series/3400 Series Chipset USB2 Enhanced Host Controller (rev 06)
00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev a6)
00:1f.0 ISA bridge: Intel Corporation QM57 Chipset LPC Interface Controller (rev 06)
00:1f.2 SATA controller: Intel Corporation 5 Series/3400 Series Chipset 6 port SATA AHCI Controller (rev 06)
00:1f.3 SMBus: Intel Corporation 5 Series/3400 Series Chipset SMBus Controller (rev 06)
00:1f.6 Signal processing controller: Intel Corporation 5 Series/3400 Series Chipset Thermal Subsystem (rev 06)
01:00.0 VGA compatible controller: NVIDIA Corporation GT218M [NVS 3100M] (rev a2)
03:00.0 Network controller: Intel Corporation Centrino Ultimate-N 6300 (rev 35)
0d:00.0 SD Host controller: Ricoh Co Ltd MMC/SD Host Controller (rev 01)
0d:00.1 System peripheral: Ricoh Co Ltd R5U2xx (R5U230 / R5U231 / R5U241) [Memory Stick Host Controller] (rev 01)
0d:00.3 FireWire (IEEE 1394): Ricoh Co Ltd R5C832 PCIe IEEE 1394 Controller (rev 01)
ff:00.0 Host bridge: Intel Corporation Core Processor QuickPath Architecture Generic Non-core Registers (rev 02)
ff:00.1 Host bridge: Intel Corporation Core Processor QuickPath Architecture System Address Decoder (rev 02)
ff:02.0 Host bridge: Intel Corporation Core Processor QPI Link 0 (rev 02)
ff:02.1 Host bridge: Intel Corporation 1st Generation Core i3/5/7 Processor QPI Physical 0 (rev 02)
ff:02.2 Host bridge: Intel Corporation 1st Generation Core i3/5/7 Processor Reserved (rev 02)
ff:02.3 Host bridge: Intel Corporation 1st Generation Core i3/5/7 Processor Reserved (rev 02)

E aqui está a saída de sudo lshw -C network

  *-network               
       description: Ethernet interface
       product: 82577LM Gigabit Network Connection
       vendor: Intel Corporation
       physical id: 19
       bus info: pci@0000:00:19.0
       logical name: enp0s25
       version: 06
       serial: f0:de:f1:2c:0c:ce
       capacity: 1Gbit/s
       width: 32 bits
       clock: 33MHz
       capabilities: pm msi bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
       configuration: autonegotiation=on broadcast=yes driver=e1000e driverversion=3.2.6-k firmware=0.12-1 latency=0 link=no multicast=yes port=twisted pair
       resources: irq:25 memory:f8500000-f851ffff memory:f8525000-f8525fff ioport:1820(size=32)
  *-network
       description: Wireless interface
       product: Centrino Ultimate-N 6300
       vendor: Intel Corporation
       physical id: 0
       bus info: pci@0000:03:00.0
       logical name: wlp3s0
       version: 35
       serial: 00:24:d7:69:9f:28
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
       configuration: broadcast=yes driver=iwlwifi driverversion=4.10.0-32-generic firmware=9.221.4.1 build 25532 ip=192.168.0.9 latency=0 link=yes multicast=yes wireless=IEEE 802.11
       resources: irq:30 memory:f8100000-f8101fff

Eu realmente não sei como interpretar esses resultados em termos de solução de problemas, mas agradeço qualquer ajuda que você possa fornecer.

Atualizar

Sinto muito pela pobre explicação. O Ubuntu não está detectando o fato de estar conectado (por exemplo, "Wire Unplugged"). As luzes da porta ethernet estão apagadas.

Aqui está a saída de dmesg | grep -e e100 -e enp

 dmesg | grep -e e100 -e enp
[    1.253294] e1000e: Intel(R) PRO/1000 Network Driver - 3.2.6-k
[    1.253294] e1000e: Copyright(c) 1999 - 2015 Intel Corporation.
[    1.253459] e1000e 0000:00:19.0: Interrupt Throttling Rate (ints/sec) set to dynamic conservative mode
[    1.411004] e1000e 0000:00:19.0 eth0: (PCI Express:2.5GT/s:Width x1) f0:de:f1:2c:0c:ce
[    1.411007] e1000e 0000:00:19.0 eth0: Intel(R) PRO/1000 Network Connection
[    1.411083] e1000e 0000:00:19.0 eth0: MAC: 9, PHY: 10, PBA No: A002FF-0FF
[    1.411697] e1000e 0000:00:19.0 enp0s25: renamed from eth0
[   20.756979] IPv6: ADDRCONF(NETDEV_UP): enp0s25: link is not ready
[   20.954637] IPv6: ADDRCONF(NETDEV_UP): enp0s25: link is not ready

    

Answer 1

É detectado. É enp0s25. Você simplesmente não tem um endereço IP. Procure em Configurações - > Rede - > Com fio e ligue o dhcp