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

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27
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2answers
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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 ...
38
votes
1answer
95k 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 ...
14
votes
7answers
34k 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 ...
4
votes
4answers
33k 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 ...
6
votes
1answer
7k 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 ...
7
votes
3answers
6k views

Is there any way to install Atheros e2400 drivers?

I have a new motherboard: MSI Z170A GAMING M5. This motherboard has an Atheros killer e2400 Ethernet controller. When I do lspci -nn, I get: 03.00.0 Ethernet controller [0200]: Qualcomm Atheros ...
1
vote
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
votes
2answers
6k 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 ...
2
votes
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/ ...
16
votes
2answers
6k views

How to configure preferred network for internet?

I am connected to a LAN network and wireless network. Both provide access to internet. Sometimes when the internet on LAN is not working, the browser simply throws an exception instead of switching ...
2
votes
2answers
421 views

Ethernet Network card BCM4401-B0 no longer recognised?

I updated Ubuntu to 14.04 LTS and I can no longer see my network - No network devices available shows in the network drop down menu. Networking is enabled and if I choose to boot my Dell Inspiron 1300 ...
3
votes
1answer
2k 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 ...
4
votes
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 ...
15
votes
6answers
15k 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 ...
17
votes
6answers
40k 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 ...
5
votes
2answers
18k views

Ubuntu 14.04 LTS wired internet extremely slow

My wired internet is running extremely slow after installing Ubuntu 14.04 on my desktop. my normal internet speed (Windows) using speedtest.net is around 25 mbps, Ubuntu is pulling in 0.5 mbps tops. ...
6
votes
2answers
23k 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 ...
1
vote
2answers
246 views

Killer Ethernet 2400: no wired internet

I have a Z170 Gaming K6 motherboard with a killer ethernet 2400. I have just installed Ubuntu but I'm not getting any internet even though I connected it with a wired connection to my router. I have ...
0
votes
4answers
15k 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 ...
5
votes
1answer
7k views

Network eth0 DHCP, static ip and autonegotiation issues

Background I am running an Ubuntu Server on 14.04 which is currently up-to-date. I have only one network device connected to it. When I use my Ethernet cord and connect it from the wall to my laptop ...
5
votes
2answers
15k 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
votes
3answers
15k views

How to get Wifi working on Ubuntu 14.04 (Macbook Pro Retina 15 inch - 2014)

I just downloaded Ubuntu 14.04 on my Macbook Pro Retina 15 inch 2014 version using usb. My problem is I can't get the Wifi working. No wifi connections would display on the wifi menu. I've tried ...
1
vote
2answers
882 views

ALX on AR8191 does not appear to be working 15.04

I am trying to use the ethernet port on my Lenovo y580, which previously worked untill I upgraded to ubuntu 15.04 from 14.10. My hardware is recognized, and I can connect to an ethernet network, ...
10
votes
3answers
21k views

RTL8111/8168B Rev 06 Ethernet controller not working with AMD64 Kernels > 2.6

I'm also having trouble with the RTL8111 Ethernet controller. It's not working at all on Ubuntu x64. This is my card: $ lspci -nnk | grep -i net -A2 05:00.0 Ethernet controller [0200]: Realtek ...
10
votes
4answers
48k 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
votes
2answers
8k 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
votes
1answer
9k 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
votes
3answers
4k views

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 ...
3
votes
1answer
6k views

RTL8101E/RTL8102E not working with ubuntu 14.04. HP G61

After searching questions, forums, guides, I could find any solutions that would fit the average Joe... Being Ubuntu, Linux for humans, I'll ask the question once again, trying to adjust the best ...
2
votes
5answers
5k 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 ...
2
votes
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
votes
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 ...
2
votes
1answer
3k 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 ...
2
votes
3answers
13k 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: ...
1
vote
2answers
34 views

Use laptop wifi on desktop

I have had some wireless USB problems and I have decided to just try and use the piggyback-a-laptop method.I have an Ethernet cord, a Ubuntu 15.04 Desktop and a Peppermint 5 laptop.I have tried the ...
1
vote
2answers
5k 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 ...
0
votes
1answer
4k views

Restore wired network connection

Hi My problem is the following: I was at my friend, were they had mac filter on the network. I used to clone the MAC in the network manager, but I accidentally copied it in the wrong field, and ...
0
votes
1answer
2k 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
votes
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 ...
5
votes
1answer
113k 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 ...
2
votes
2answers
12k 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 ...
7
votes
4answers
24k views

“Wired Network Disconnected” even when connected- no ethernet connection possible

I am unable to connect to the internet via ethernet or wifi. Let's fix the ethernet issue, eh? I just installed Unbuntu 12.04 on an HP Mini 1000. Previously it had 11.04, and the ethernet didn't ...
3
votes
1answer
3k views

12.10: ethernet device is not created on boot

I have a problem with my wired interface - an appropriate device for it is just not created at boot. What is strange about it is that it never gets enabled on boot, but is always created after a ...
3
votes
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, ...
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3answers
1k views

Ethernet Connection randomly disconnects after transmit queue 0 timed out

Description of problem: Ethernet connection gets disconnected at random apparently without any reason. I have tried the following command to restart my ethernet connection, sudo service ...
5
votes
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?
3
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2answers
12k views

Ethernet connection not working after installing Ubuntu 14.04 LTS

EDIT: PROBLEM IS BACK.. I cant figure out a permanent and reliable way around the bug (have managed the bug to go away 2 times) my files keep duplicating themselves with a ~ after their name, so if I ...
3
votes
2answers
8k views

How to connect two ubuntu computers with ethernet cable

I'm trying to connect with ethernet cable two computers - desktop and laptop. What I want to do is transfer a lot of data from one to another. The problem is that I'm doing everything from: How to ...
3
votes
1answer
647 views

Detected Hardware Unit Hang with 82566DC / e1001e

I am suddenly having problems with a Ubuntu Server install. This machine ran fine with 12.04, 13.10 and also for a while with 14.04. It started doing this: 12:44:34 e1000e 0000:00:19.0 eth0: ...
2
votes
1answer
312 views

Wake-on-LAN broken on 64 bit, works on 32 bit

How can I get WOL to work on 64 bit Ubuntu? It's a wierd situation. The hardware is a heavily modified ASUS G75VW 3D. Windows and 32 bit Ubuntu work fine for Wake on LAN. The motherboard has a minor ...