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

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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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53 views

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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488 views

Wireless working fine- but cannot connect wired ethernet in Ubuntu 13.04

Yesterday I installed Ubuntu 13.04 on a dualboot with Windows 7 preinstalled. Both my wireless and wired connections work fine on Windows 7. Wireless is working fine on Ubuntu also- but cannot get any ...
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2answers
1k views

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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1answer
1k views

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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3answers
5k 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 ...
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1k views

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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1k views

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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151 views

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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1answer
540 views

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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1answer
248 views

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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27 views

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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193 views

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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1answer
1k views

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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2answers
677 views

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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1answer
233 views

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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4answers
13k 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 ...
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2answers
444 views

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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158 views

Cannot connect to Wi-Fi on 12.04 LTS

I am a very new Ubuntu user with a Toshiba Satellite L855-S5243 with a Realtek RTL8723AE Wireless LAN 802.11N PCI-E NIC wireless card and a Atheros AR8161/8165 PCI-E Gigabit Ethernet Controller and ...
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1answer
103 views

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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149 views

Quad Nic Cards on Ubuntu 12.04 LTS not coming up

I have connected three Quad Nic cards and using ubuntu 12.04LTS. When I boot up the machine two ofthe D link Quad Nic cards show device not ready. When I issue sudo killall -9 NetworkManager, device ...
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71 views

Ubuntu won’t let me use the internet.I have a ethernet cable plugged in

Ubuntu recognizes that my ethernet cable is there and it says that a connection has been established except FireFox won’t work. I don’t know what to do? I was reading some woman’s post in the support ...
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389 views

eth0 & eth1 LAN But no WAN Ubuntu 13.04

NOOb here I can connect via putty on both local ips from another machine. Windows boxes can access and play media files from linux box no problem in Ubuntu deskop I can access files on the windows ...
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1answer
97 views

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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1answer
190 views

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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2answers
1k views

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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1answer
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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 ...
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1answer
49 views

Unable to connect to Internet via AR8161 Ethernet card

I have a desktop which uses only an AR8161 Ethernet card to connect to the Internet but it does not work whenever I go into Ubuntu. Is it a driver issue or some configuration issue? How can I go about ...
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94 views

Problems detecting wifi and ethernet adapters

I own an HP Pavilion dv4-4165la. My problem is that after installing it doesn't detect any of both network adapters, no wifi nor ethernet and I don't know how to fix it. Original Question in Spanish ...
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1answer
35 views

Ethernet in new notebook stopped working, even from ubuntu executed live from usb. I have no idea what to do :(

I've bought a new notebook and ethernet stopped working, even from a live execution of ubuntu. Also wi-fi isn't working and I needed ethernet to solve that problem using this guide How do I get a ...
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539 views

Force lease renew for leases in /var/lib/misc/dnsmasq.leases

I have a Raspberry Pi connected to my laptop (running 13.04 with Gnome) via direct ethernet using these instructions. Normally, the RPi will connect and work just fine. However, if I disconnect the ...
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113 views

*-network DISABLED for Q190

I installed 13.04 Server on a Lenovo Q190. It has both wired Ethernet (look like a RTL8111/8168) and wireless (looks like Realtek, it autoloaded rtl8188ee driver). Both , when running sudo lshw -C ...
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185 views

32 bit ethernet driver NVIDIA MCP77 ubuntu 12.04 needed

I am unable to find a downloadable driver. I need Ethernet connection so I can also download other drivers needed, I have tried hunting for a driver but my attempts have not been successful. Any help ...
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1answer
195 views

Unable to connect ethernet in ubuntu

Sir, I am beginner to Linux. I have been trying to get internet access via Ethernet in my Ubuntu 11.04 but have failed to do so. Whenever I attach ethernet cable, it starts scrolling (signaling that ...
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1answer
103 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 ...
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2answers
805 views

Network adapter suddenly stopped working under Ubuntu 12.10

I'm using Ubuntu 12.10 and the network adapter suddenly stopped working. Running ifconfig, the eth0 information is not shown anymore as before (only the lo information is shown). Running lspci, the ...
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1answer
227 views

Why is 'auto eth0' a problem to Kernel > 3.2?

With this new question I refer to this previous question : is there "force" to be online? Why is 'auto eth0' in file /etc/network/interfaces a problem to the Kernels > 3.2 ? When entry ...
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96 views

Ubuntu VPN through a PPTP and enable both ports

I have machine @ work which has Ubuntu 10.04, I have connected to LAB network to one of the port (eth0) and manually configured proxy it works just fine. But if I have to VPN to another third party I ...
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1answer
748 views

Why Is My PCIe NIC Disabled?

I've installed a card with two Intel 82576 ethernet ports into my PCIe expansion slot. I'm running Ubuntu server 13.04 amd64 with the 3.10 generic stable kernel. When I run lspci | grep Ethernet I ...
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1answer
566 views

Ubuntu Broken after Interrupted Software Update

I was working while the Ubuntu Software Update prompt popped up, yet again. I was very annoyed by its constant appearance, so I decided to authorize the update. It started, and after a few minutes, ...
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215 views

New Install and No Internet Connection

I have an old dell laptop (Inspiron 6400) that I thought I would use Ubuntu 13.04 on. I get no internet connect at all after I installed. Wired or Wireless. I am mainly just trying to get the wired ...
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1answer
153 views

Server not found with auto ethernet

Almost very often I get server not found issues while surfing with auto ethernet connection. Also I have tried with various options in Ubuntu 12.04 LTS but in vain . I'm using wired connection. I ...
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131 views

How can I install the Atheros AR8161 drivers without an internet connection for ubuntu13.04?

Following this question How can I install the Atheros AR8161 drivers without an internet connection? How can I install the Atheros AR8161 drivers without an internet connection for ubuntu13.04? ...
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63 views

Unable to recognize old interfaces after motherboard update?

I updated motherboard on x240 computenode, now the ethernet interfaces show up as eth2 and eth3 previously it was eth0 and eth1. I tried to delete /etc/udev/rules.d/70-persistent-net.rules file but ...
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471 views

Share Wifi Internet via Ethernet cable

I have a notebook connected to the internet via wifi. I'd like to share that internet connection to my pc via an ethernet cable. All descriptions on how to do that show an option box in the network ...
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1answer
362 views

Wired connection fails

I have been using ubuntu for a few years now, and since I upgraded from 12.10 to 13.04 I have this issue, where I get no error or notifications at all, but my wired connection just stops working. The ...
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Network not starting up on boot in 12.04 LTS

I cannot get eth0 appear as result of ifconfig. Only lo is present. Moreover, sudo ifconfig eth0 up returns: "eth0: ERROR while getting interface flags: no such device", and lspci | grep net ...
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148 views

y580 ethernet is not working

I've just installed Ubuntu 13.04 64 bit on my Lenovo IdeaPad Y580 and I have issue with ethernet (wi-fi is functioning properly). What should I do to make my "cable connection" works? root@IdeaPad:~# ...
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109 views

Mac Mini Wifi issue

I am on a Mac Mini and I am trying ubuntu out on my mac and there is no wifi showing up at all. I tried connecting with ethernet but that didn't work either. I am new to ubuntu so any steps you might ...
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1answer
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Configure second network card/interface

i'm configuring one server (ubuntu 12.04 64bits, with kvm) with 2 card adapters. The first one (eth0) is configured to work with virtual bridge (vbr0) for the DMZ interface. Ho can i condigure the ...