Ubuntu: Ethernet connection is not showing in my ubuntu 14.04



Question:

These are outputs of some useful commands:- May it helps...

1.-> ifconfig output-->

      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:9262 errors:0 dropped:0 overruns:0 frame:0        TX packets:9262 errors:0 dropped:0 overruns:0 carrier:0        collisions:0 txqueuelen:0         RX bytes:845156 (845.1 KB)  TX bytes:845156 (845.1 KB)          wlan0     Link encap:Ethernet  HWaddr e0:ca:94:3e:ec:ef          inet addr:192.168.43.229  Bcast:192.168.43.255  Mask:255.255.255.0        inet6 addr: fe80::e2ca:94ff:fe3e:ecef/64 Scope:Link        UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1        RX packets:223666 errors:0 dropped:0 overruns:0 frame:217706        TX packets:180946 errors:0 dropped:0 overruns:0 carrier:0        collisions:0 txqueuelen:1000         RX bytes:243037937 (243.0 MB)  TX bytes:16583971 (16.5 MB)        Interrupt:16         (2).  cat /etc/nework/interfaces :->        output--> # interfaces(5) file used by ifup(8) and ifdown(8)        auto lo        iface lo inet loopback          (3). ifup eth0 :->        output-->  Ignoring unknown interface eth0=eth0.          (4) lspci -nn :->        output-->          00:00.0 Host bridge [0600]: Intel Corporation 2nd Generation CoreProcessor             Family DRAM Controller [8086:0104] (rev 09)          00:02.0 VGA compatible controller [0300]: Intel Corporation 2nd   Generation               C ore Processor Family Integrated Graphics Controller [8086:0116] (rev 09)         00:16.0 Communication controller [0780]: Intel Corporation 6 Series/C200 Series Chipset Family MEI Controller #1 [8086:1c3a] (rev 04)       00:1a.0 USB controller [0c03]: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #2 [8086:1c2d] (rev 04)       00:1b.0 Audio device [0403]: Intel Corporation 6 Series/C200 Series Chipset Family High Definition Audio Controller [8086:1c20] (rev 04)       00:1c.0 PCI bridge [0604]: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 1 [8086:1c10] (rev b4)       00:1d.0 USB controller [0c03]: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #1 [8086:1c26] (rev 04)       00:1f.0 ISA bridge [0601]: Intel Corporation HM65 Express Chipset Family LPC Controller [8086:1c49] (rev 04)       00:1f.2 SATA controller [0106]: Intel Corporation 6 Series/C200 Series Chipset Family 6 port SATA AHCI Controller [8086:1c03] (rev 04)       00:1f.3 SMBus [0c05]: Intel Corporation 6 Series/C200 Series Chipset Family SMBus Controller [8086:1c22] (rev 04)      01:00.0 Network controller [0280]: Broadcom Corporation BCM4313 802.11bgn Wireless Network Adapter [14e4:4727] (rev 01)  

that it..


Solution:1

By default eth0 doesn't start sometimes. Therefore try

sudo /etc/init.d/networking restart   

Then ifconfig -a

Also check your /etc/network/interfaces file and verify the eth0 interface if exists.

Hope this helps. Let me know.


Note:If u also have question or solution just comment us below or mail us on toontricks1994@gmail.com
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