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

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How do I install drivers for the Atheros AR8161 Ethernet controller?

I have installed Ubuntu 12.04-64 bit on my Lenovo IdeaPad laptop, and the wired Ethernet (LAN) connection doesn't work. Running the lspci -vv | grep Atheros command from the terminal shows me I have ...
11
votes
1answer
29k views

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 ...
3
votes
4answers
20k views

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 ...
12
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7answers
18k views

Two ethernet ports on motherboard. How can I get double the bandwidth?

Direct Question: My evga classified motherboard has two ethernet ports. I want to use them simultaneously to improve the speed of a remote connection. (Yay for programming remotely). How do I do ...
5
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1answer
5k views

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 ...
1
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1answer
4k views

Wifi and Ethernet connectivity problems after upgrading to 12.04

I upgraded recently to ubuntu 12.04 from 11.10, and since then I haven't been able to connect to Internet, neither using wifi, nor using ethernet. I've been reading many posts, but not finding a ...
4
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2answers
5k views

Disable Ethernet permanently to speed up boot time

I do not use the wired Ethernet Card. It seems to me that, Ubuntu is always trying in boot time to check the network via eth0, Which consumes some times and I guess this may slow down the boot process ...
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3answers
3k views

Dell inspiron 1545 wired and wireless do not work

When I realized my wireless wasn't working with ubuntu, I plugged my laptop in to try and figure out the problem online - only to find it doesn't work that way, either. The problem isn't my internet/ ...
4
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0answers
7k views

12.04 does not detect eth0(Atheros AR8162 ) [duplicate]

Possible Duplicate: How do I get an Atheros AR8162 working? Installed 12.04 on dell inspiron 5420. WiFi is working however wired connection does not work. In fact I can't see eth0. Can I ...
14
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6answers
11k views

Why is my Internet connection randomly dropping?

Ever since I have installed 12.04 (clean install not an upgrade), I have been having a drop in the Internet connection. The drop in the connection can be anything from 15 seconds to about 3 mins, and ...
4
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1answer
10k views

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: ...
3
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1answer
776 views

Why doesn't System Monitor show activity over ethernet connections?

In the Network history graph of System Monitor, network activity over Wi-Fi shows up fine, but activity over wired ethernet doesn't show up at all. Using lspci, my ethernet adapter shows up as ...
12
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5answers
18k views

What is the active MAC Address of my computer?

While looking to find the MAC Address of my computer as it appears to a wireless network, it was recommended that I run ifconfig. Having executed that command in the Terminal, I noticed that, unlike ...
8
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4answers
35k views

Wired connection not working Ubuntu 12.04

My connection was fine until now, but my wired connection is not working in Ubuntu 12.04. I have installed Ubuntu 12.04 along side Windows 7 partition and the connection works on Windows but not on ...
7
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2answers
3k views

What should my MAC address be? (now shows 00:00:00:00:00:00)

I have three computers all wired into my router. The box I'm posting this from is running Ubuntu 11.10, and another machine is running Xubuntu 11.10 Both connected automatically when the ethernet ...
0
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4answers
10k views

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 ...
0
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1answer
3k views

Setting up Ubuntu Server as a Router with DHCPD and 3 Ethernet devices

My configuration: Ubuntu 12.04 DHCP3-server BIND9 eth0, eth1, eth2 eth0 is the external connection eth1 & eth2 are the internal network eth1 and eth2 are supposed to be seperate ...
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3answers
11k views

Ethernet conection not working Atheros AR8152 OS 12.04

I have instaled Ubuntu 12.04 but my network conection doesn't work and i know it's becouse of the drivers I've run $ lspci | grep Ethernet and this is the result 02:00.0 Ethernet controller: ...
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2answers
4k views

Ubuntu 12.04 - Not recognizing Atheros AR8161 Gigabit Ethernet

I built my own computer about a month ago and loaded Windows 7 on it, and then decided to put Ubuntu 12.04 on instead. It doesn't recognize my ethernet cable, and I cannot get any internet ...
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4answers
2k views

ethernet problems in ubuntu 12.04

So today I popped out my hdd with ubuntu on it and put in a fresh hdd and installed win8 (wanted to try it). I got everything installed, upp and running and decided to go back to ubuntu (for obvious ...
0
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2answers
5k views

Ubuntu 14.04 Network Problem

I have an issue with my Ubuntu 14.04. I am able to connect to wireless networks without any problems, but when I am in my Dorm Room, I cannot connect to my wired Internet connection. It works fine ...
0
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1answer
1k views

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 ...
0
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2answers
1k views

After upgrading from 11.10 to 12.04 I don't have ethernet connection, how to solve it?

I had a wired network connection that worked fine in Ubuntu 11.10. I upgraded to 12.04 and immediately after the upgrade was completed, the OS reported my cable unplugged. It was not unplugged and ...
4
votes
1answer
59k views

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 ...
3
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1answer
1k views

Ubuntu 12.10 boot hangs at purple screen when integrated NIC (ethernet card) is enabled in BIOS

Here's my weird problem, with a UEFI Ubuntu 12.10 64 bits installation on an Inspiron 14z ultrabook with an integrated Atheros AR8162 ethernet card (NIC). If the AR8162 card is enabled in BIOS, ...
2
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2answers
10k views

How do I get an Atheros AR8131 ethernet card working?

I have an Atheros AR8131 Ethernet card on a Lenovo b560 laptop. Sometime in the past, probably at some upgrade or other my wired connection stopped functioning. I know the card is ok because it works ...
0
votes
1answer
7k views

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 ...
5
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2answers
2k views

How to block Internet for guest account?

How can I block or disable my Ethernet Internet connection, for the guest account only?
2
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2answers
486 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 ...
2
votes
5answers
4k views

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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vote
1answer
252 views

None of the peripherals(eth, USB ) working after upgrading to kernel version 3.8.5 in Ubuntu 12.04 LTS

I have been using Ubuntu from a long time but I had never been in the depth of Ubuntu. At present I am using Ubuntu 12.04 LTS. It was getting hanged randomly and fast when I was using Firefox. I ...
3
votes
1answer
363 views

Cannot connect to Internet but Ethernet is connected

Due to the retirement of Windows XP, I decided to try Kubuntu. I installed it on a Lenovo T61 laptop alongside XP. The Ethernet Controller is Intel Corp 82566Mm Gigabit Network Connection. The ...
3
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2answers
13k views

Intel I217LM ethernet controller not detected by Ubuntu 12.04LTS

My last installation of Ubuntu 12.04 on a machine using an ASUS Q87M-E motherboard with an Intel I217LM Ethernet controller has failed to detect the ethernet card. The only thing displayed by ...
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2answers
2k views

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 ...
2
votes
1answer
267 views

Getting Ethernet driver to crippled machine

The reply at How do I install drivers for the Atheros AR8161 Ethernet controller? probably helps me. I have a Toshiba S855, bought yesterday. lspci -vv | grep Atheros command from the terminal shows ...
2
votes
1answer
674 views

My server does not forward packets between interfaces. What am I missing? [closed]

I'd like to get my Ubuntu 11.04 server to route packet between its two network interfaces. The two ethernet interfaces (eth0, eth1) work apparently well as such. Both have static IP addresses ...
1
vote
1answer
698 views

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 ...
1
vote
1answer
114 views

How do I make a PC .local instead of IP?

I have this problem at the office. I have 3 PCs that are connected by ethernet cables and one that isn't because that one is connected without a cable, it's wireless. The weird thing is that all ...
1
vote
2answers
4k views

USB ethernet registered but not working

I have a Cisco USB ethernet device plugged in to my 12.04lts. It shows up in lsusb as ASIX Electronics Corp. AX88772 and dmesg notes it: asix 5-1:1.0: eth1: register 'asix' at usb-000:06:00.0-1 ASIX ...
1
vote
2answers
555 views

Why does Ubuntu really slow down the rest of my home network?

I have a Ubuntu desktop and a Windows 7 desktop. The Windows 7 machine is connected via wireless adapter and the Ubuntu desktop is connected via Ethernet. The wireless adapter is capable of 300Mbps ...
1
vote
3answers
31k views

How do I install the ethernet drivers in ubuntu 10.04

I ran the command: ifconfig -a which gave this output, there is no eth0: lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 ...
0
votes
1answer
37 views

How is a device managed when not in /etc/network/interfaces on Servers?

On my Ubuntu Server, 14.04.1 LTS, I have not specified any devices in /etc/network/interfaces, yet they (multiple ethernets) work completely as intended with static IP. I have heard from multiple ...
0
votes
1answer
232 views

Ubuntu upgrades break ethernet connection

After performing updates on my newly installed Ubuntu 14.04 on Lenovo T440p, the ethernet connection stops working. I now have no way to connect it to the internet (wi-fi never worked. I was ...
0
votes
2answers
4k views

ifconfig eth0 eth0: error fetching interface information: Device not found

I'm new to Ubuntu. In my system WIFI is working fine but Ethernet is not working fine. ifconfig -a lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 ...
0
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0answers
47 views

I've lost connection to my network after a failed attempt at a bridged connection

I need some help fast. I set up two server systems and decided to go full Linux on them, all in for the first time. I've pretty much since spent the entire time Googling "how to install [software I ...
0
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0answers
310 views

unstable wired ethernet network connection after upgrading from 13.10 to 14.04(amd64)

Recently I upgrade my system from 13.10 to 14.04, after a week I faced unstable wired network connection issue. Checked network manager it shows connection as ok. Below is the detail information of ...
0
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0answers
223 views

wired ethernet issue on ubuntu 14.04 running on lenovo x230 on

i am running ubuntu 14.04 on a lenovo x230 laptop. while the wireless connections work, it does not connect to the wired internet. any hints are greatly appreciated. thanks, shashi
0
votes
1answer
522 views

When I installed Ubuntu 13.10 my ethernet is not connecting

I have just installed Ubuntu 13.10 on a new computer I put together however I am unable to get my Ethernet to work. What happens is my computer will go through phases of searching for a network and ...
0
votes
1answer
796 views

I haven't got wlan0

I am new with Gnu/Linux operating systems and specially with recently installed Ubuntu 12.04.3 LTS. I wanted to learn something about WLAN-s security and y tried to work with "aircrack-ng". I have a ...
0
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1answer
1k views

Ethernet connection stopped working

I walked away from my computer for a few hours, restarted for some updates and afterwards the ethernet connection was no longer working.