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

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Intel e1000e Ethernet not working

I have the problem that the ethernet device on the Intel NUC is not found. ifconfig -a only shows lo and wlan0 but not eth0. sudo lshw -C net gives the following output: *-network UNCLAIMED ...
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8k views

Ubuntu 12.10 - “the system network services are not compatible with this version”

Fairly new to Ubuntu, know my way around, but novice user. Started my Laptop running Ubuntu 12.10 this morning, and no wireless or Eth. Look at Network Manager and this message: "the system network ...
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946 views

Dell Vostro 1510 can't connect using wired connection

I recently dual-booted my system with Windows 7 and 12.04. I can't access Internet through wired connection, in spite of LAN cable in the socket. It says network cable unplugged, but I can access ...
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381 views

Network & WiFi problem not working on lenovo G50-70

This is my first use of Ubuntu. I installed ubuntu 14.4 but the WiFi is not working. I don't understand how to activate them. What should I do? lspci -knn | grep Net -A2 && rfkill list: ...
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173 views

Ethernet Lights Not On When Cable Connected And Not Working

I have two OS and second OS connects to internet easily, so it's not a hardware problem. The output of lspci is: 00:00.0 Host bridge: Intel Corporation 2nd Generation Core Processor Family DRAM ...
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40 views

No usb or Ethernet after installation

I'm writing this using mobile phone. I installed Ubuntu latest, but only usb 3.0 ports are working, Ethernet and usb 2.0 seems to be recognized but not functioning, and this also happened on Fedora ...
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1k views

eth0 connection fails

I'm getting really frustrated with Ubuntu 14.04 at this point, after having to solve so many problems with it. I use my current laptop at work, and there it seems to actually be able to connect over ...
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147 views

Wifi and ethernet networking stopped working in ubuntu 14.04

I have a System76 Kudu Professional version kudp1, it came with ubuntu 13.10 but I upgraded it to 14.04. After the last upgrade I did it stopped detecting ethernet and wifi networks. nm-tool output: ...
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281 views

Wifi is Hard-Blocked and Ethernet connection fails - [Ubuntu 14.04] - [Asus B43S-XH51]

I was just using this laptop yesterday on ethernet and a few days ago on wifi. I've never had a problem with this computer and wifi. I currently only have Ubuntu 14.04 installed - no dual-boot with ...
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167 views

LXC bridging with two NICs

I am setting up a server to host a number of LXC containers, for now just isolating web and db services. The server I am using has two NICs and I'd like to use one for host traffic and one for ...
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165 views

USB Keyboard/Mouse, Networking broken by kernel update

I recently (automatically) updated all the kernel-related packages (linux-image, linux-headers etc) to version 3.13.0-27.50. I'm using the generic kernel for AMD64. After reboot I find that my USB ...
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35 views

Command line failing with https

I'm a bit new when it comes to networking. As a disclaimer, I installed Chrubuntu. The OS was able to connect fine, but it had an unrelated error and required an install and upgrade from 13.10 to ...
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507 views

Strange ethernet behaviour of Ubuntu 14.04 on Fujitsu Esprimo P720 E90+

after I had openSuse running on this machine without Ethernet issues, I installed Ubuntu 14.04 and ran into a weired Ethernet problem. My colleague has Ubuntu 12.04 on the same type of computer and no ...
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0answers
149 views

Ethernet is unstable - Ubuntu 13.10

Upon booting into Ubuntu 13.10 I can connect to my wired connection. It connects with no issues whatsoever and in fact it never disconnects at all. However, the connection is insanely unstable and ...
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221 views

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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312 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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341 views

Ethernet connection drops intermittently in ubuntu 13.04

During the last couple of days, I have noticed that my ethernet connection drops about once every 5 minutes. The connection has worked for a number of years without problems before that. I am running ...
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119 views

Two gateways on the same network (10.12.15.20 and 10.12.15.21) - is there a way to combine them into single bonded internet connection?

I have two gateways to internet on the same network. Ubuntu is installed on server with only one ethernet card. Is there a way to create a bonding of this two gateways from the same network where I ...
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545 views

No networking on boot after upgrading Kubuntu to 13.04

I upgraded Kubuntu to 13.04 today. I'm using an ethernet connection. On every boot, networking service is running and everything is configured properly, but it can't establish a connection. I have to ...
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200 views

Dynamic switching between Ethernet and Wifi

At my university, or specifically in my dorm, Ethernet speed is a sluggish 10 Mb/s. Wifi, on the other hand, is as much as 100 Mb/s if you have a good antenna - I do not, so speeds range from 50 Mb/s ...
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158 views

Cannot setup 1 Gbit ethernet connection

I'm using Kubuntu 12.10. My router operate at 1Gbit connection with my other PC, I have 1Gbit ethernet card, cable is cat5e and can't setup 1Gbit ethernet connection. Only 100Mbit/s. lspci|grep ...
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2k views

Why can't I connect to my network via wired DHCP connection?

I am trying to connect to the LAN of the university where I work, on a wired connection. The Internet is accessed by VPN after connecting to the network. On Windows 7, the computer seems to ...
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314 views

Cannot connect to ethernet port

I'm running Ubuntu 12.04 LTE. I'm trying to connect via ethernet for the first time but have had no success. Ifconfig eth0 returns: eth0 Link encap:Ethernet HWaddr: 00:01:2e:3f:f1:a0 inet6 ...
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45 views

Can sender node receive own packet from hub network

I believe that the hubs rebroadcast any bit sent to it to all hosts, including the original sender. I want to receive packet on the sender node. Is it possible in Linux? Is it enough to add: ...
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554 views

No internet connection with an Atheros AR8121/AR8113/AR8114 adapter

I have Ubuntu on my netbook. It wont connect to the internet, I did a system check and I have a Attansic Technology corp. Atheros AR8121/AR8113/AR 8114 PCI-E, ethernet controller (revb0). I'm not ...
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2k views

decreasing boot time on Ubuntu 12.04

I know it is just a luxury problem. But I would like to decrease the boot time of Ubuntu 12.04. Before it started up within 60 seconds, after tweaking a bit I keep it now constantly around 37 seconds. ...
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16 views

connecting an Ethernet which needs a password and a user name?

I have an account through a wired network (Ethernet) internet provider - a person that have an internet LAN and share it with neighbours in exchange with money - every one of us have an account and a ...
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18 views

Internet Connection not being picked up

My dad has ubuntu installed on his PC, and up to now we haven't had any issues with it. However a couple of days ago it auto-updated to a new version of ubuntu. Looking at the details in settings, it ...
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25 views

Ethernet card gets recognized randomly

I'm running a netinstalled Ubuntu 14.04 on my laptop. During installation, I have only selected to install a basic OpenSSH server, and nothing else. I'm currently trying to install other packages ...
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37 views

Ethernet and wifi not working in newly installed Ubuntu 14.04.2 on HP mini 1000

I tried various options available on different webpages but nothing helped me. like running command like 'lsusb' Images of various command I executed are available at Google image
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105 views

Can't get ethernet connection to work with 'Intel Corporation 82579LM Gigabit Network Connection (rev 04)' on Ubuntu 15.04

I am trying to get ethernet connection to work on a hp compaq 8200 elite sff computer, but with no success so far. When i plug in an ethernet cable, the network icon starts the searching animation, ...
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57 views

Ubuntu does not detect onboard Ethernet

I have just replaced my old broken motherboard with a new one. I did not format my HD because Ubuntu 15.04 just started as I hoped. The first time I booted my OS, internet was going great so Ethernet ...
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52 views

Ethernet not working and wireless is slow

I have a desktop PC that I built that I recently installed Ubuntu 14.04 next to Windows 8.1. It has an Ethernet port on the motherboard (MSI Z97S) and a wireless card in a PCI-Express slot (Asus ...
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619 views

“No network devices available” Ubuntu 14.04

I'm new to the Ubuntu community, so please, give a step-by-step answer if possible. Everything was fine, until my battery became critically low and my computer turned off. After charging and turning ...
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93 views

New install of 14.04 with wired connection. getting error “Disconnected - you are now offline”

Pretty much the title. Feeling really lost. Output of ifconfig: eth0 Link encap:Ethernet HWaddr 74:d4:35:97:a6:97 inet6 addr: fe80::76d4:35ff:fe97:a697/64 Scope:Link UP ...
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90 views

Recognize ethernet adapter on Ubuntu 14.10

I try to connect to internet on my Laptop HP Pavilion using Ubuntu 14.10, but there is a problem that Ubuntu doesn't recognize the wired connection or the Ethernet adapter: When I type ifconfig, it ...
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56 views

USB ethernet not being redetected after unplugging

I have a USB Ethernet adapter for an Ubuntu 14.10 laptop. When I turn on my computer while it's plugged in it gets detected fine and I'm able to access the internet. The thing just works. However ...
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77 views

Ubuntu 14.10 cannot connect to Wired Network from my Desktop

I upgraded my Ubuntu version to 14.10 and all of a sudden it won't connect to Internet at all. This is my Desktop and after upgrade it shows a wireless icon in the network manager panel Here are some ...
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167 views

Ethernet is keep disconnecting in ubuntu 14.10

I am using Ubuntu 14.10. Ethernet keep disconnecting after 1 min and displaying below message. result of command "sudo lshw -C network"
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26 views

System restarts whenever ethernet cable is connected (and system is not connected to power source)

I have a strange problem with my Ubuntu 14.04 system. If my laptop is not connected to a power source, and I plug in my ethernet cable, the system restarts. It's an AMD processor with ATI radeon ...
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162 views

Intel 82576 Ethernet Controller stuck at 10Mb/s

I have a server board which uses the Intel 82576 network controller. When I plug it into my gigabit switch it auto configures a link speed of 10Mb/s. $ sudo ethtool eth0 Supported ports: [ TP ] ...
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155 views

Network Bonding Ethernet and Wifi

I am trying to bond my Ethernet (eth0) and Wifi (wlan0) connection to increase aggregate bandwidth. (They are both on different networks with different bandwidth allocations.) So far I've attempted ...
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754 views

Wired connection not working (on Ubuntu 14.10)

The problem As from the title, I am not able to establish a wired connection with my HP Pavilion dv7-2215el on Ubuntu 14.10 anymore. I've read possibly every related question, but none of those have ...
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0answers
619 views

Ubuntu 14.04 not using alias em1:1 address

I'm trying to use two IP addresses on a single network device. The device is an onboard NIC and came up as "em0" after initially booting, something I hadn't seen Ubuntu do before. I'm using a ...
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267 views

Bridge wireless and ethernet to KVM

I've just installed a new laptop with Ubuntu 14.10 Desktop and I'd like to get try and get KVM running so that I can host a couple of guest VM's. The problem is I can't figure out how to configure the ...
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206 views

Ubuntu 14.04 upgrade wired ethernet slow

I have upgraded to 14.04 and am experiencing slow wired ethernet connection. Windows 7 pc wireless connection receives 8Mbs Ubuntu 14.04 LTS 1-2Mbs Only started after upgrade. Ethernet details: ...
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269 views

Ubuntu 14.04 ethernet connection problem

I've just upgraded from 12.04 to 14.04, and when I disconnect the ethernet cable or I suspend, network manager keeps trying connecting 4-5 times, with failures, and then finally succeed. If I restart, ...
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101 views

Network disappears from list, disconnects, others remain

and Ubuntu, with my first question. I have Ubuntu installed on three machines alongside Win7, so they are all dual boot. I have encountered a WiFi connection problem on one, a Compaq CQ62. The unit ...
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176 views

how do I access Wifi on xubuntu 14.04? It has something to do with with the proprietary drivers stopping me

I'm running Xubuntu 14.04 on a Dell Latitude D620, I do not know what kind of wifi card I have but I do know I have one. When I turn it on Xubuntu doesn't attempt to search for wireless networks, ...
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122 views

Ubuntu 14.04 ethernet slow

Hey since this morning my Ubuntu 14.04 Ethernet connection is really slow but the strange thing is I have a hotspot in my machine and the phone connected to it has fast Internet.......... I really ...