Ethernet is a way of connecting computers together in a local area network or LAN.

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Why do Ethernet devices not show up in “/dev”?

Generally I have noticed that plugging in a new device in a Linux system causes a new entry to be listed in /dev (assuming you have the correct drivers). For example: When you plug in a new hard ...
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557 views

Disappearing and reappearing ethernet connection

I have internet via ethernet cable plugged in directly into my desktop machine; windows and ubuntu on the same machine. The problem is that after loggin in internet is working (though the speed is ...
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1answer
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Trying to configure eth0 and eth1 but Failed to bring up eth1

Trying to do below on Ubuntu 12.04. Trying to configure eth0 and eth1, eth0 works fine, but failed to bring eth1. Below is the settings /etc/network/interfaces: auto eth0 eth1 iface eth0 inet ...
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775 views

Problem sharing ethernet connection via WiFi

I've an Ethernet connection to the Internet and I need to share it via Wifi with my other mobile devices. I followed up the instructions of setting up a hotspot in Ubuntu: I created a new connection ...
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1answer
773 views

Ubuntu 12.04 ethernet is not working?

I recently installed ubuntu 12.04 LTS, and have tried every method out there to get my Ethernet cable to work...unfortunately not one of the methods out there worked for me. here are some of the tests ...
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2answers
657 views

Added second network adapter and can't get a connection from ether

I have since dropped the second Ethernet adapter totally. I still couldn't get it to work so I reinstalled ubuntu (was working with a fresh install anyway) The adapter worked fine to begin. Then I ...
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1answer
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Ethernet not detected whatsoever

I recently installed Lubuntu 13.04 64-bit on one of my older computers (the computer is ancient - DDR1, no USB boot, yet it's 64-bit. Go figure.) Anyway, the Wi-Fi adapter I tried to use ...
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My Ubuntu Live CD will only connect to my wired internet on one computer

I recently burned the Ubuntu 12.4.2 live cd, and put it in my Lenovo N580 notebook to install Ubuntu to my 32 GB Sandisk flash drive. It completed successfully, but after booting from my flash drive ...
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1answer
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Configure “Link-Local Only” without NetworkManager?

I have two computers, each of which I want to connect to a camera that communicates via "Link-Local" Ethernet. The first computer has a full install of 12.10. I can get the camera communicating by ...
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1answer
365 views

Ethernet Card doesn't connect

I have tried multiple gigabit network cards, the latest ST1000BT32 Startech, and two different gigabit routers. The machine refuse to connect and pull an IP address. I've tried different ethernet ...
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1answer
626 views

Dell M6700 ethernet (e1000e) not working in 13.04

I have 13.04 64-bit on my Dell M6700. Wired ethernet worked for a while, but now stopped working. As an extra information, the ethernet works through the docking station (port replicator), but not ...
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341 views

Ubuntu 13.04 Upload Speed Slow

I have 2 machines on the same LAN. One downloads and uploads perfectly. The other downloads great, but the upload is painfully slow ~30kb/s. It's using the onboard ethernet port, which I think is a ...
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168 views

Driver install question

VERY new to all this. Built a box to run Ubuntu server 12.04 During installation it would not automatically make a internet connection. I figure the new board needed to have drivers installed ...
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873 views

Ethernet port on thinkpad doesn't connect but the one on the ultrabase (dock) does [closed]

I just recently bought a used Thinkpad X200s and installed Xubuntu 13.04 on it. I am have issues getting the ethernet port on the laptop to connect. I also have a Ultrabase dock for the laptop. While ...
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124 views

How do I pxeboot all of ubuntu onto a computer without any i/o exept ethernet (and keyboard) while without an hd?

I have an old Vaio computer that was going to be thrown out because it has a faulty hard drive, and no i/o ports work except the ethernet (and the keyboard). (Note: I know that it is possible to ...
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0answers
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Two gateways on the same network (10.12.15.20 and 10.12.15.21) - is there a way to combine them into single bonded internet connection?

I have two gateways to internet on the same network. Ubuntu is installed on server with only one ethernet card. Is there a way to create a bonding of this two gateways from the same network where I ...
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2answers
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Can't connect to ethernet with Atheros AR8161 on Ubuntu 12.04.2

I have read most of the answers that seem relevant to this, but I thinlk my issue is different and I haven't found the answer. I have a new HP Pavilion HPE h8-1360t computer. It has Windows 7 and ...
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5answers
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Ubuntu 13.04 on Mac Mini 6,2 ethernet port Broadcom NetXtreme BCM57766 not detected

The said network adapter is not recognized in 13.04. In 12.04 and 12.10 I had used the driver proposed from broadcom download site, configured as dkms package it was always updated. On the 3.8.x ...
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Is there a way to use a laptop with a wireless card to bridge connectivity to a computer that only supports Ethernet? [duplicate]

How would I setup my laptop (which obviously has a wireless card) to bridge the internet provided by the wireless to a device (Raspberry Pi) that doesn't have wireless access, through my laptop's ...
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1answer
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Inconsistent internet connection device (eth0 eth1 eth2)

I'm running Ubuntu 12.04, and to my knowledge there is only 1 networking card on my machine (Dell laptop) --- I can't imagine why there would be more than 1. Sometimes my internet connection runs ...
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384 views

Ethernet problem after upgrading to 13.04 wired connection

I upgraded from 12.10 to 13.04 but now I do not have an Ethernet connection. I upgraded just an hour ago. Is there a way to enable or check the hardware to see if my card is supported. I need help as ...
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MSI Bigfoot gaming LAN Killer e2200 not working [duplicate]

I have done lspci -vnn and got this 02:00.0 Ethernet controller [0200]: Qualcomm Atheros Killer E2200 Gigabit Ethernet Controller [1969:e091] (rev 13) Subsystem: Micro-Star International Co., ...
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No networking on boot after upgrading Kubuntu to 13.04

I upgraded Kubuntu to 13.04 today. I'm using an ethernet connection. On every boot, networking service is running and everything is configured properly, but it can't establish a connection. I have to ...
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1answer
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MAC address changing in Ubuntu 12.04 [duplicate]

I am trying to change the MAC address of my device. I tried the ifconfig way as well as the macchanger tool way. However although the MAC address changes on interface eth0. I do not get a DHCP based ...
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Ethernet problem in ubuntu 13.04

Can't wait till raring officially release, I decided to use daily-image of it. However, my ethernet is not working. cannot be selected and activated to retrieve DHCP from my LAN. It was working ...
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How do I enable the alx ethernet driver on Ubuntu 13.04?

I just upgraded to Ubuntu 13.04 64 bit on my Lenovo IdeaPad laptop and am having trouble getting the Ethernet to work. The alx driver required for my laptop's AR8161 Gigabit Ethernet controller to ...
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Dynamic switching between Ethernet and Wifi

At my university, or specifically in my dorm, Ethernet speed is a sluggish 10 Mb/s. Wifi, on the other hand, is as much as 100 Mb/s if you have a good antenna - I do not, so speeds range from 50 Mb/s ...
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1answer
214 views

Wlan unplugs when ethernet connected

I own an HP ProBook 4510s Energy Star. I am connected over WiFi to the internet with a broad-com BCM4312 using the b43 driver. I am trying to share my Internet connection to a tp-link access ...
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Ethernet not working (neither even detected) on Ubuntu 12.04

Ethernet is not being detected on my computer running Ubuntu 12.04 with LAMP. The last thing I remember doing is following this tutorial: ...
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1answer
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problem with D-Link DUB-E100 usb to ethernet adapter

I am trying to use a D-Link DUB-E100 usb to Ethernet adapter. It uses the ASIX 8817X chipset. I have Ubuntu 12.04 kernel 3.2.0-39. The driver supplied with the adapter did not compile. I downloaded an ...
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How do I get a StarTech USB 3.0 to Gigabit Ethernet Adapter working?

I bought a Startech USB 3.0 to Gigabit Ethernet Adapter and looking for linux drivers. I did google search and did not come up with anything. Startech.com has only windows drivers. Any help on ...
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ethtool on Ubuntu and an USB to Ethernet adapter

I'm using Ubuntu 12.04, recently I purchased an USB to Ethernet adapter. The dmesg command shows the model as "Davicom DM9601 USB Ethernet". I'm unable to use ethtool to modify any of its settings. ...
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How to fix networking after installing a new CPU/Motherboard?

Upgraded from an AthlonII to an FX-8350. This meant new motherboard/integrated LAN. I can't figure out how to configure the new setup to connect to my network. Any help appreciated. Also, as i ...
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1answer
229 views

Suspend problem associated with ethernet on ubuntu 12.10

I have an Asus Vivobook s200 with Ubuntu 12.10 64bit on it. I have the following problem. After booting the laptop the ethernet works and if i click suspend it works normally. Then when I wake the ...
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Ubuntu 12.10 Wireless internet works but wired internet with Ethernet doesn't

I've recently installed Ubuntu 12.10 as a dual boot with Windows 7 but I've found my that neither operating systems can detect any of my ethernet cables. Wireless internet does work on both though. My ...
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Ubuntu 12.10 - “the system network services are not compatible with this version”

Fairly new to Ubuntu, know my way around, but novice user. Started my Laptop running Ubuntu 12.10 this morning, and no wireless or Eth. Look at Network Manager and this message: "the system network ...
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What is the best way to trigger scripts or actions when the computer is disconnected from the network?

I am running 12.04 LTS. There are a number of shared resources that I use that are housed remotely on a local server. When disconnected from the network (on say a network, or router failure), I would ...
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253 views

Wifi disconnects when Ethernet connected

I'm using a WiFi connection on Ubuntu 12 and connecting to XP directly via Ethernet cable. I've set the ipv4 settings of the Ubuntu wired connection to: share with other computers and restarted. ...
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1answer
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how to enable internet with ubuntu 10.04

I have installed UBUNTU 10.04 dual with my windows 8. but the internet is disabled, both the Ethernet and wireless, I try this link but when type this commands sudo apt-get update there are ...
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1answer
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Ubuntu Server 12.10 not obtaining IP address until a user logs in

I just did a recent install of Ubuntu Server 12.10 (no GUI, command line only) on a new system. I noticed that upon booting the server does not obtain an IP address from my router. However, once I ...
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Can't start ethernet network connection

After electric surge grub loader has stoped working which i fixed with 'grub-install', but now i can't make ethernet working again. Bootable version of Ubuntu doesn't working too. What is the ...
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Cannot connect to ethernet with wired connection Ubuntu 12.10

I am new to Ubuntu (installed Ubuntu 12.10 desktop on my Mac Mini today from Ubuntu iso – mac mini had blank SSD on it i.e. no OS X at all). First drama is that Ubuntu installer seems to be setup for ...
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1answer
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Why doesn't Ubuntu automatically disable wireless networking when a wired connection is active?

When I have Wireless enabled and plug in my Ethernet cable, the wireless connection stays active, even when the wireless and wired connections are through the same network. I'm aware of this question ...
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1answer
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How do I share my wireless connection via a wired cable?

Im trying to share the wireless from my netbook eeepc to my desktop computer that does not have any wifi, it can run internet through a cable connected to my internet router but im wondering if there ...
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1answer
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wired network not working DELL 17R SE

Wired Network not working; it shows connected to network but I get no Internet access..! System DELL 17R SE Output of lspci -nnk | grep -iEA3 "(network|ethernet|wireless|broadcom)" lspci -nnk | grep ...
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How to troubleshoot ethernet port on laptop

I have a problem with my wired connection. To be more specific, my laptop doesn't seems to recognize that I have plugged in an ethernet cable. I tried to download new drivers for my ethernet card, ...
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1answer
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Why won't Ubuntu use my ethernet cable?

I have Ubuntu 12.04 LTS and for some reason, Ubuntu will not use an Ethernet cord. It will recognize it and say that I have a connection, but it won't access the internet through it. I plan to use ...
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What is the Ethernet driver in Ubuntu 12.10?

I have been asked by the IT people at my work to uninstall and reinstall my Ethernet driver in order to try and fix a connection problem. When looking in Software Centre, I find those packages when ...
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No network on Ubuntu Server after changing the modem

I upgraded my Internet connection, and after changing the Modem my Ubuntu Server's eth0 doesn't come up. I looked at /etc/netwrork/interfaces, it looks all normal eth0 is set to auto and dhcp # The ...
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Wired ethernet on a Mac mini 2012 with Ubuntu 12.10 problem

I have a issue with a late mac mini 6.1 2012 Ubuntu: 12.10 Kernel: 3.5.0-25 generic lspci -nnk | grep -i net -a3: 00:1f.3 SMBus [0c05]: Intel Corporation 7 Series/C210 Series Chipset Family SMBus ...