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 ...
23
votes
1answer
56k 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 ...
15
votes
5answers
26k 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 ...
15
votes
2answers
4k 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 ...
15
votes
6answers
13k 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 ...
13
votes
7answers
24k 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 ...
9
votes
4answers
41k 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 ...
8
votes
5answers
21k views

When Ubuntu Server restarts eth0 Doesn't come back up

Every time I restart my Ubuntu Server 11.10 I can't ssh into it because ETH0 doesn't come up automatically. I never had this problem before upgrading to 11.10. I have to login to the server and start ...
8
votes
1answer
2k views

Why does Ubuntu keep trying to connect to a WiFi network while plugged into an ethernet

My desk is situated at the edge of the range of a wireless signal which I use occasionally (when away from my desk) and is therefore saved in network manager. At my desk, however, I plug into the ...
8
votes
4answers
4k views

OpenVPN: The VPN connection to … because of invalid VPN secrets

I am 3 days into using Linux. I set up an OpenVPN connection following the instructions set out by: https://www.goldenfrog.com/support/vyprvpn/vpn-setup/linux/openvpn OpenVPN installation went ...
8
votes
2answers
14k 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 ...
7
votes
2answers
4k 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 ...
6
votes
1answer
6k 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 ...
6
votes
4answers
17k 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 ...
5
votes
3answers
3k 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 ...
5
votes
2answers
12k 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: ...
5
votes
3answers
8k views

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 ...
5
votes
2answers
3k views

Installed Ubuntu 11.10, and networking constantly fails

I just installed Ocelot on my new machine (with an ASUS M5A99X EVO motherboard and on-board gigabit ethernet), and I asked it to download updates while it installed. The install took forever, the ...
5
votes
1answer
6k views

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 ...
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?
4
votes
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 ...
4
votes
3answers
1k views

Is there any invariable hardware system identifier in Ubuntu/Linux

At the current I am using ethernet mac address to generate license for my program, but sometimes there is more than one ethernet card (wireless, modem, etc.). So I would like to use something else: ...
4
votes
1answer
83k 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 ...
4
votes
2answers
18k 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 ...
4
votes
2answers
3k views

How to sync files on 2 computers using an ethernet cable (offline)?

I have a laptop running Ubuntu 12.04 and a netbook running Ubuntu 12.10. I want to sync some folders from my laptop on my netbook, connecting them with an ethernet cable. Both computers are offline, ...
4
votes
1answer
2k views

Ubuntu 15.04 after reboot lost Ethernet connection

I've installed Ubuntu 15.04 and after a reboot I lose my Ethernet connection. After I've disable and re-enabled my connection Ethernet works fine, until I reboot again. This has been going on ever ...
4
votes
1answer
5k views

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 ...
4
votes
1answer
7k views

How do I connect using ssh over a direct Ethernet connection?

I have a laptop, a desktop, and a spare 5' Ethernet cable that I can use to directly connect one to the other. The desktop freezes every few days or so, seemingly at random, and when it happens I want ...
4
votes
1answer
4k views

My hardware MAC address is always 00:00:00:00:00:00 until I manually update 'eth0'. How can I fix this? [duplicate]

I am using Ubuntu 12.04. I use a wired connection. My network MAC address shows as 00:00:00:00:00:00. When I enter the commands below into a terminal window, it starts working again. sudo ifconfig ...
4
votes
2answers
2k views

Ethernet connection not working in ubuntu 14.04.1 LTS

I am facing weird issue with my ethernet connection. Its showing connected but when I hit something in the browser it won't though its connecting via wifi to other networks but not with the wired ...
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 ...
3
votes
1answer
1k views

How to get around NVM Checksum error (PXE-E05) to make the ethernet work?

I have Toshiba Portege M400 Tablet PC with Intel 82573L Gigabit Ethernet Controller. It works fine with Windows, but in Ubuntu it doesn't work! During startup CMOS shows the following: PXE-E05 ...
3
votes
4answers
27k 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 ...
3
votes
2answers
7k views

How can I install the Atheros AR8161 drivers without an internet connection?

Following this question How do I install drivers for the Atheros AR8161 Ethernet controller? To be able to compile I need some packages. Is there any "bundle" of the required packages ...
3
votes
2answers
5k views

How can I automate a root command after (not during) startup?

I'm using Ubuntu 12.04 LTS, but I need to run the following command: sudo dhclient after startup to acquire a stable ethernet connection. I am running dhclient during startup already, through the ...
3
votes
2answers
9k 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. ...
3
votes
1answer
3k 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 ...
3
votes
1answer
1k 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 ...
3
votes
1answer
4k views

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 ...
3
votes
2answers
412 views

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 ...
3
votes
4answers
2k views

Ubuntu 12.10 no network devices detected

I installed ubuntu 12.10 on my Dell Vostro 3460 and no network devices are detected (ethernet and wireless). when I run lspic, I see: 1:00.0 Network controller: Broadcom Corporation BCM43142 ...
3
votes
1answer
4k views

Ubuntu 12.04 - how can i have eth0 and wlan0 both active where eth0 is primary and wlan0 is just for internet browse

I have a box running Ubuntu 12.04. There i have eth0 which is used as local network no internet. But i have also in that same box wlan0, and WiFi availability. Now how can i have both interface ...
3
votes
2answers
24k views

Ethernet card not detected on Ubuntu Server 12.04

My onboard ethernet isn't detected after a re-install of Server 12.04. For reasons I won't get into here, I had to put the server's drive into another machine to install Ubuntu, then swap back into ...
3
votes
2answers
555 views

Which one consume less battery in Ubuntu (generally Linux) Ethernet cable or Wireless?

I am wondering when i want to connect to network, it is better use my wireless adapter or using cable (ethernet adapter), Which one consume less battery? Sometimes i saw that my battery life was more ...
3
votes
1answer
118 views

How do I connect to the internet using a wireless router at the same time as connecting to a lan using an ethernet connection?

Setup: I have two computers, both with an ethernet and wireless interface. I have router A that is connected to the internet. I have a router B that is not connected to the internet. I would like ...
3
votes
2answers
13k 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 ...
3
votes
2answers
2k views

Ubuntu 12.04 LTS Won't Connect to the School's Wired Network

My computer is connected to the school's network via an Ethernet cable, but ubuntu won't recognize the network. It will scan the network for about 30 seconds and then a small error window pops up ...
3
votes
1answer
3k views

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 ...
3
votes
1answer
660 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 ...
3
votes
2answers
5k views

How to 'unplumb' a network interface [closed]

I want to remove a un-use network interface on Ubuntu 11.10 desktop but failed. virbr0 Link encap:Ethernet HWaddr 16:13:97:0c:0f:4f UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 ...