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

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Wired connection suddenly stopped working on 15.04

I have installed Ubuntu 15.04 on and Intel NU5i7RYH. Everything worked fine for a few weeks but then suddenly my wired connection would no longer work. Wireless is fine and there is no problems with ...
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157 views

Ethernet Network disconnected

I try to figure it out why my Ethernet Network is disconnected. My Wi-Fi is working. My OS is Ubuntu Mate 15.10, which is up-to-date. Here is the output from lshw -C network: *-network ...
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Ubuntu 15.10 No USB, No Wifi, No Ethernet

After updating my Dell Latitude from 15.04 to 15.10 I cannot connect through ethernet or wifi and when trying to grab the drivers from another computer and install via USB it won't detect the USB or ...
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Why only one network works when I try to connect different usb-based ethernet in ubuntu - 14?

I have a HP laptop with one in built Ethernet connector. Also, I have two usb-ethernet adapters. When I connect one connection i.e. in built one, the other connection goes down. Also, many a times, ...
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38 views

BOTH Broadcom controllers disabled

I have Trusty Tahr (Ubuntu 14.04) and the usual advice on proprietary drivers is not working. In 'Additional Drivers' it says about the Broadcom drivers "This device is not working". So I do some ...
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208 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 ...
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62 views

using wifi and Ethernet at the same time for network camera

I have a dlink network camera connected to my ARM board (running ubuntu 12.0.4) using a LAN cable. On the other hand, I also have a USB wiif module connected to my pi, which will be connected ...
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1answer
73 views

Can't ping router with Realtek [10ec:8168] (rev 06) Ethernet adapter

I have a TP-LINK TL-WR841N connected to my main desktop through an Ethernet cable. I've recently installed Ubuntu on dual-boot, but while it works on the other OS, it doesn't on Ubuntu. I've tested on ...
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23 views

Connect to VMWare Player host ethernet

I made the mistake of removing the ethernet connection in Ubuntu. It's running in VMWare Player. How do I set it up again? When I try to add a new ethernet connection, it will just not connect. No ...
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61 views

Issues with multiple ethernet interfaces

I am trying to setup my Ubuntu box with 2 ethernet interfaces(one has a public IP and the other is connected to my internal network). I have flushed my IPtables(using sudo iptables -F) and yet I ...
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37 views

Ethernet connection not working on Ubuntu after booting into windows 10

I am fairly new to Linux, so bear with me. Whenever I boot into windows and then return to Linux, I lose my Internet connection. I do not have a wireless card, so this is by ethernet. This has ...
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339 views

ubuntu 15.04 Ethernet is not working

I recently got a new PC (specs will be shown below). Installation gave me no problem except Ubuntu can not connect to the internet. By the way i am very new to linux. $ lspci -knn |grep -EA2 ...
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304 views

Error editing connection Unable to find a connection with UUID ('null')

When I open System Settings > Network > Wired and click options, it responds with the 'Error' How do I fix this?
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30 views

Ethernet connection not working on a specific machine

Im using Ubuntu 15.04, and after two days of searching, I can't fix my ethernet connection. The Network Manager keeps trying to connect, but it's permanently searching. Manually configuring it makes ...
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3answers
633 views

15.10 can't connect to wired connection

I was previously toying with using 15.04 on my office computer, and it worked fine out of the box. This week I decided to give it another shot with 15.10 (using beta 2, then the past 3 days' daily ...
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127 views

Ethernet doesn't work in ubuntu 14.04

During startup the lights around the plugged ethernet cable are flashing, but when ubuntu shows up, the lights goes off and there is no internet connection. "sudo lshw -c net" gives: *-network ...
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15 views

Unable to configure network on ETX-BT atom board

Ubuntu 14.04 with kernel 3.13.33 has Ethernet detection problem. I have ETX-BT board with ethernet chip of Intel® i211 (MAC/PHY) Ethernet controller. I am trying to install mini iso uning netbootin ...
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25 views

Ubuntu - Adapter USB ethernet doesn't work anymore

I have a laptop connected to Internet via an USB ethernet adapter at the company where I work. It used to work well until yesterday. Since yesterday, I can't connect my laptop anymore. (other ...
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53 views

How to bond wlan0 and usb0

I want to bond wlan0 and usb0 The details of the usb0 is usb0 Link encap:Ethernet HWaddr c6:2f:79:3a:73:a3 inet addr:192.168.42.20 Bcast:192.168.42.255 Mask:255.255.255.0 ...
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33 views

Ethernet suddenly not working on Ubuntu GNOME 15.04

I am running Ubuntu GNOME 15.04 with GNOME 3.16 and this is what happened: Everything was working perfectly fine, I then suspended my machine and removed my Ethernet cable (as usual). Though later on ...
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Dell XPS13 2015 Developer ed. Ubuntu 14.04 Slow wireless

my new XPS13 2015 Developper Edition came with Ubuntu 14.04 installed. It works great, except that the wireless connection is super slow (both home and at work), so slow that most page or process time ...
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36 views

Ethernet connection only working if connected from startup

When I startup my system and ethernet is plugged in, it works just perfect. If I disconnect the wire while Ubuntu is booted and then connect it again, the connection is established by network manager. ...
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1answer
411 views

Ethernet/Wirless does not work on ubuntu 14.04

I recently got a new PC (specs will be shown below). Installation gave me no problem except Ubuntu can not connect to the internet. By the way i am very new to linux. $ lspci -knn |grep -EA2 ...
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22 views

Stop Ubuntu Server from looking for ethernet connection at startup

I set up an Ubuntu Server 14.04 LTS and installed ubuntu-desktop afterwards. I removed all interfaces (except loopback) from /etc/network/interfaces. Both, ethernet and wlan work perfectly fine with ...
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39 views

cannot change the wired connection speed

I am using 64-bit kubuntu 14.04, KDE version 4.13.3, kernel 3.19.0-30 on a desktop machine. The LAN interface is Ethernet controller: Broadcom Corporation NetXtreme BCM5761 Gigabit Ethernet PCIe ...
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83 views

Get the MAC address of a connected, unlabeled, unconfigured, unconfigurable ethernet device?

Suppose you have some embedded board with ethernet plugged into the ethernet port on your laptop. You know nothing about it's network configuration (yet). You know it boots, but it is headless and ...
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48 views

Can't communicate locally on eth0 and to internet on wlan0

Looked at other configuration Q&A about eth0 and wlan0. Nothing suggested seemed to work. Running 14.04 Lubuntu on desktop, and puppyLinux on client laptop. frank@HP-Pavilion:~$ ifconfig "eth0 ...
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175 views

Ethernet not working after update 14.04 (64 bit)

After updating Ubuntu a few days back my ethernet has stopped working. The wifi works fine. I even managed to make my ethernet work once using sudo dhclient eth0 but could not replicate it after ...
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48 views

Connexion problem

i'm using ubuntu 14.04 and i get a problem with internet connexion. I could open almost all web site except for Gmail. Can anyone help me please. Thank you in advance.
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Ethernet Port not working (Ubuntu 14.04, 32 bit)

Several months ago, I've installed Ubuntu 14.04 32 bit OS. Suddenly my Ethernet port stopped working. I've tried several solutions but with no luck. Your Suggestions are most welcome! lspci -knn | ...
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1answer
138 views

Updated and now network eth0 missing

I'm running Ubuntu 14.04. This morning I had no Ethernet connectivity after I resumed the computer (showing as Disconnected). I have the latest updates installed, but I've tried booting into older ...
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42 views

Networking with multiple interfaces

I have a setup that confuses me, and I'm thinking someone has done it before. I have a desktop system (Dell Optiplex620) with an integrated ethernet port and a 3com addon card. To that computer, ...
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130 views

How to share my wifi to a router via wired connection?

I'm currently getting a poor connection from my main WiFi router with my phone and I'm wondering is it possible to share this WiFi connection from Ubuntu to another router via Ethernet cable? The ...
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24 views

I can't reach outside ubuntu(VM) from ip netns

Ubuntu 14.04 VM is on oracle VM BOX on windows Host. I have two netns ns1 and ns2 . I have established connectivity between ns1, ns2 and global name space using a Openvswitch. Now that i am able to ...
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78 views

Connecting to Ubuntu machines with direct ethernet (one Lubuntu) not working

I'm connecting an Ubuntu 12.04 and a Lubuntu 15.? machine via direct ethernet and have had no success. I have pop-up notifications that 'connection is established' on one machine, but I cant share ...
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80 views

How to connect two laptops with ethernet patch cable to share files

I have the same problem as this question( How do I connect my desktop and my laptop using an ethernet cable to transfer files? ). I could not comment on the answer selected by OP, because of not ...
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121 views

Lenovo OneLink Pro Dock ethernet issue (Xubuntu 15.04)

I just bought Lenovo OneLink Pro Dock for my ThinkPad E540. Everything works fine (USB, DVI, DP, sound) except the ethernet. Ubuntu finds it (eth1), ifconfig returns me: matti@E540:~$ ...
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53 views

Ethernet adapter is recognized but isn't able to connect

I just installed Linux and since the installation process (so, this was occurring already in the setup wizard for Ubuntu) I've had the issue where my Ethernet adapter exists and is correctly ...
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Can this HDD/NIC configurantion handle the Gigabit Ethernet?

I ran the sudo hdparm -Tt /dev/sda command and I got: /dev/sda: Timing cached reads: 18832 MB in 2.00 seconds = 9424.15 MB/sec Timing buffered disk reads: 544 MB in 3.01 seconds = 180.77 MB/sec ...
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61 views

Network config issues with Ubuntu Server 15.04 on Gigabyte Brix

I've installed Ubuntu Server 15.04 on a Gigabyte Brix without any issues until doing network config., first time I've done this with linux command line so not 100% sure what I'm doing here. At the ...
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28 views

portable wifi device issue

i need some help with device " DG-WN3300N from DIGISOL " , with this device i am unable to share my ethernet internet , any idea /guidelines what i have to do to share my usb ethernet network via ...
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52 views

usb Ethernet adapter disapear after Stoping network-manager service

I am using D-Link (DUB-E100) for handling 2 seperated network under linux ubuntu 14.04. at first i have 2 eth on my system . ifconfig yields: eth0 Link encap:Ethernet HWaddr b8:ae:ed:70:27:3e ...
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66 views

Ethernet says it's connected but can't access the internet

I downloaded Ubuntu yesterday and tried to hook up to the internet. In the top right it shows ethernet connection, but yet I'm not able to use the internet. I found out how to get photos but it ...
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37 views

ubuntu stopped listing the ethernet controller/interface

After some years of using my computer once the internet connection stopped working and it appeared that ubuntu (14.04) no longer can see the ethernet controller. When I run lspci command there is no ...
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55 views

Wired and Wireless internet not working in Ubuntu 14.04

I have a Windows 7 machine along with with Ubuntu 14.04 installed on it. The wired and wireless internet both don't seem to be working on Ubuntu. I am pasting the outputs of few commands. 1. uname-a ...
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Ubuntu 14.04 LAN keeps disconnecting

I'm running Ubuntu 14.04 on my PC. After I used a WiFi-Stick my LAN keeps disrupting its connection and after a couple of seconds it reconnects automatically. It really freaks me out. Output of lspci ...
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Lenovo G580, Atheros 8162, Ubuntu 14.04 LTS - unstable, slow ethernet and no wifi

May be somebody knows what to do? Thanks. I tried all recipies from this site and others ... After switch on the computer I am waiting for 5 or 10 minutes before connection. Then I can see sites but ...
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86 views

Usb, ethernet and wifi not working after updating Ubuntu

I stopped my update in the middle for my ubuntu 14.04 yesterday and then turned it off. When I turned on my laptop today my external usb mouse, USB ports , ethernet and wifi are not working . ...
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42 views

14.04 ethernet won't work when plugged in

I just installed Ubuntu 14.04 on my desktop. My Ethernet connection won't work. I have searched through the forums for help but to no avail. I've added ethtool -s eth0 autoneg off speed duplex full ...
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130 views

Creating an ethernet bridge between a windows 7 laptop and an offline Ubuntu PC

I have been trying to get internet to my Ubunutu PC to download packages I've been needing for awhile. I tried with an edimax usb wifi antenna, but the install cd required several packages for me to ...