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

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How to test ethernet adapter?

Is there a way in Ubuntu to test your Ethernet adapter to see whether it's working correctly or not?
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Ubuntu Server wont recognize ethernet

I have recently acquired an old computer that I tried to install Ubuntu 12.04.3 server onto, however the system could not be booted into any external medias (USB and CD drives). So I hooked the hard ...
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Wired networking issues 13.10 after 0-14 kernel update

I apologize if the subject of the question is redundant, but since it's about very recent updates I'm having trouble finding the solutions. Running Ubuntu 13.10 on .13 kernel: No network on boot, i ...
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Network cable unplugged message after Motherboard change

SOLVED!!! Jan 1, 2014. (see last edit) The motherboard on my win PC blew the PCI-EX slot, so I had to swap it to my Ubuntu box. Everything works fine except the NIC. I keep getting a cable unplugged ...
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Trying to install NVIDIA Corporation MCP61 Ethernet Ubuntu 13.04

I've just uninstalled Windows 7 from my pc and installed a fresh copy of Ubuntu 13.04 on my desktop. Everything has gone well except for one very important thing, namely the network card. My network ...
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Unable to connect wifi and ethernet

I have installed Ubuntu on my Dell Latitude e6400 laptop. However, I am unable to connect either with Ethernet or wifi. There are no drivers detected under additional drivers. I enabled networking and ...
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Ethernet works with live CD, but doesn't after fresh install. [duplicate]

I just installed 13.10 on a dell laptop. During the install process it connected to the ethernet. Once install finished and I logged in for the first time I did not have ethernet. It has the ...
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563 views

Ethernet/Broadband Internet on Ubuntu (12.04.3 LTS) ?

How can I connect to the Internet in Ubuntu by Ethernet/Broadband cable ? I need to log in with username and password, but I don't know what to do. Can someone tell me which steps should I take?
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Cannot establish Wired connection on Acer Aspire 5930G

I use an Acer Aspire 5930G, dual booted with Windows 7 and Ubuntu 13.10. My problem is that i cannot establish wired connection on my ubuntu. Wireless connection works in both of my OSs but the ...
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Sharing Laptops wifi internet to Desktop via ethernet [duplicate]

I'm running Ubuntu 13.10 on a Dell Inspiron 530s. It has a Linksys network adapter card, but I do not have the adapter, so my computer is connection-less. What I'd like to know is if there is a way ...
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How to assign unique MAC addresses to sub-interfaces

I'm in a corporate environment with a DHCP server with static assignments for my server. I have one physical nic with several sub-interfaces. I statically assign different MAC addresses for each ...
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How to configure PPPoE in ubuntu under wired connection not DSL

I have ISP who gave me username, password, and authentication type for PPoE and provide ethernet cable wire home to home for accessing internet. Now my problem is how to configure it for wired ...
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587 views

Wi-Fi..Ethernet..Nothing Works for 13.10

I've been at this for a couple of days. Can't find a solution that works. Did the trial of 13.1 and everything worked great. As soon as I did the install on my laptop (Dell Vostro 1520) I can't get ...
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Ubuntu 12.04 ethernet not working on an Desktop

I am new to ubuntu and just wiped my harddrive to oinstall it on an old desktop. But I cannot connect to the internet even though the cable is plugged in ( I checked the cable with my laptop and it ...
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How can I make wired internet connection work in 12.04 LTS?

It stopped working after the first software update. I would be grateful if someone can help me fix this problem. Running a System Test for networking only, the following results were obtained: ...
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How to use the Raring/Saucy netboot installer to install Precise?

We have a Haswell motherboard with onboard ethernet controllers which are not supported in the Precise (3.2) kernel. However, we're using netboot installation, and we'd really like to stick with the ...
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Cant connect to Ethernet after system installation (Ubuntu Server)

I have installed Ubuntu server edition on a computer. During the installation I skipped the network configuration, and now I don't know how to connect to the internet via LAN / Ethernet.
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1answer
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Wake On Lan (WOL) for Realtek RTL8101E/RTL8102E

I'm unsuccessfully trying to get Wake on Lan to work with my local server (IP Address : 192.168.0.2, distro Ubuntu 12.04.3 LTS) which has a Realtek RTL8101E/RTL8102E ethernet card. The computer ...
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Dell vostro 3460, from ubuntu 11.04 to 12.04 no ethernet [duplicate]

I've just upgraded ubuntu on my dell vostro 3460 to the 12.04. 64 bit version. Now the ethernet connection doesn't work anymore. Wifi is working. Someone had this problem? lspci -nn | grep 0200: ...
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Booting system without full network configuration, how to reverse?

Hi I am running Ubuntu 12.04 LTS and I have not been able to connect to the internet through a cable from the satellite. So I found the following advice: start the terminal and type gksu gedit ...
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Share wireless Internet connection through ethernet

I want to share the wireless Internet connection on my desktop with my old laptop, through ethernet. I have ticked the option "Make available to others" on both connections, on my desktop, but my ...
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435 views

setup PPPoE over ethernet card

How to setup PPPoE connection over wired DSL connection (Ethernet)? I'm using Ubuntu 12 dual-booting with windows. It runs OK. on windows
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How does a computer decide which network interface to send traffic to?

I have a computer (Ubuntu) with one wired and one wireless network interface. The wired one is statically assigned and connected to another single machine with a statically assigned address. The ...
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Ethernet cable is not detected in Ubuntu

I'm using a Lenovo Thinkpad Edge 530. When I connect the ethernet cable while running Ubuntu, it's not being detected. The ethernet cable and network connection works fine when using Windows 8. Can ...
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After 12.04 installation on Dell Inspiron 1520, no wired connectivity

Obviously the installation CD could use the Ethernet connection. However, it didn't install/configure it. ifconfig -a only reports a 'lo' interface. Fortunately, the usb device works... Couldn't ...
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Connection issues on Ubuntu 13.04

So I have this tp link adapter (TL-PA4010) and Ubuntu finds and connects to the Ethernet but it's so slow... It feels worst then the dial-up connections back in the days. Do you have any idea on how ...
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Forwarding multicast packets in wired-wireless-nat-router

I am receiving IPTV (multicast) from my ISP (Deutsche Telekom) and it is already working without any issues for the main receiver which is directly connected to my dsl router (AVM Fritz!Box 7390). ...
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579 views

What determines ethernet port name?

I have two computers which are supposed to be identical hardware. However on one machine, the ethernet port shows up as "eth1" whereas on the other it appears as "eth2". I am trying to manage an ...
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Ethernet and Wireless not working in Ubuntu 12.04

I installed Ubuntu 12.04 on my computer using Wubi recently, and I'm unable to connect to the internet using either Ethernet or Wireless. At first, it was showing these errors while starting up: ...
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Why WOL don't boot my system anymore?

a few days ago I managed wakeonlan to work on my pc, I was able to turn it on via lan successfully. I installed ethtool, run ethtool -s eth0 wol g, checked that Wake-on: g was displayed with ethtool ...
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No wired connection in 12.04 LTS (64bit)

I have installed 13.04 (64bit) and after not having any wired internet, did a fresh install with 12.04 (64bit). The machine was previously running Windows 7 with wired connection working fine. A wierd ...
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How do I install network drivers on my Ubuntu Server OS via command line

Basically as the title says, I haven't any idea how I am to install network drivers onto my Dell Poweredge 2950 II. I am a complete noob when it comes to command line and its operations. Just to ...
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Qualcomm Atheros AR8172 Driver fix? (lenovo g500s)

Recently I took a lenovo g500s laptop. the product id is LENOVO_MT_20245. after the installation, it could not recognize LAN network adapter. After googling I found out that it has a Qualcomm Atheros ...
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Ethernet *-network DISABLED

Just installed Ubuntu Server 12.04 on my laptop. The desktop version always had driver issues but only with WiFi not the ethernet, and I could just hard wire and install the proprietary drivers ...
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No network device available [duplicate]

OUTPUT - sudo lshw -C network *-network description: Network controller product: BCM4311 802.11b/g WLAN vendor: Broadcom Corporation physical id: 0 bus info: pci@0000:0b:00.0 ...
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I want to bridge my ethernet to my wifi, but there is no ethernet port listed. What can I do?

Under Network Connections, I have no "Wired Connection"
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Ubuntu 12.10 can't see eth0 after update from 12.04

I just updated my laptop from Ubuntu 12.04 to 12.10. After the update I could no longer get to the login screen, and after a while I realized that during the update my nvidia-drivers had been ...
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i installed ubuntu 12.4 version both wifi and lan are not working

May laptop is Lenovo g580 which is now dual booting Windows 7 & Ubuntu. In Ubuntu, the WiFi symbol is present at the top but there's no list of active WiFi networks. I tried LAN but its also not ...
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Z87-GD65 Gaming Motherboard Killer Ethernet not working [duplicate]

I just built my new computer today, install Ubuntu 13.04 on it, took a bit of hacking to get it working and such but now that it boots, I cannot get the ethernet to work. It simply do not sees it ...
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Ubuntu 13.04: Ethernet works at office but not at home. DHCP issue maybe?

I am fairly new to Linux and just installed Ubuntu 13.04 on an external USB HD (using the liveCD). The computer the drive is connected to is a Dell Precision M4500 (laptop). After the fresh install, ...
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Wired Network Problem in Ubuntu 12.04.2, Ethernet controller- Realtek PCIe GBE Family netwok controller

"sudo lshw -C network", this command results into PCI (sysfs) *-network description: Network controller product: BCM4312 802.11b/g LP-PHY vendor: Broadcom Corporation physical id: ...
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How do I fix my ethernet card losing network connection every few minutes with kernels 3.8.x?

I'm using Ubuntu 13.04. My laptop is Acer Aspire one 722-c58rr, and my ethernet card works for a few seconds at a time with kernels 3.8.x, however, kernels 3.5.x and below worked fine. On kernels ...
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Acer Aspire One 722-0369 Flaky Ethernet Connection

I have an Acer Aspire One 722 Netbook running Ubuntu 13.04. It has a "Qualcomm Atheros AR8152 v2.0 Fast Ethernet" Ethernet controller. When I connect to the internet via a WiFi connection it works ...
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How do I get a Qualcomm Atheros Killer E2200 gigabit ethernet card working?

I bought a new computer, hoping to dual boot Win 8 and Ubuntu 13.04. I have successfully installed both OS, but in Ubuntu I have no connection to the internet, even though the ethernet cable is ...
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eth0 Not working/has no inet address?

I'm fairly new to Linux and networking and i've been playing with tcpdump but when ever I try to run tcpdump it tells me eth0 has no IPv4 address which is true it has no inet whatsoever. This is the ...
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2 ethernet ports, one on 100mbps, one on 1000mbps problem?

I ran across a strange sight when I ran ifconfig first time today. I have a gigabit server card with 2 ports. I have it set in a bond for 802.3ad usage as my switch supports it. It appears though ...
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Why does my ethernet connection fail AFTER installation is complete?

I am installing Ubuntu for the first time on an old laptop (Inspiron 6400) and have run into an odd problem right off the bat. During installation, I am directed to connect the computer to the ...
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Ethernet and wireless connection problems [duplicate]

I am unable get wireless or ethernet connection to work at all. I have tried many things like trying to download the drivers while booting from the installation disc, and so forth, because this was ...
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Can't connect to a wired connection

I installed Ubuntu 13.04 while Windows 7 dual booted. I have a Local wired cable connection which is working fine with windows 7, but in the case of Ubuntu it is not working. I try to connect using ...
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Only Around 50MB/sec Max Network Transfer; had 70-100MB/s on Windows, Ubuntu reports Gigabit Speeds, Why?

I have two different computers, one a desktop, the other a laptop. Both have different network controllers in them (one Qualcomm Atheros, other Realtek). Both using the included driver. Both ...