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

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4
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275 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 ...
4
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9k 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 ...
3
votes
0answers
103 views

Ethernet network randomly disconnects

I installed Ubuntu-Mate 16.04 on my Dell Dimension 4700 Desktop. The Ethernet network randomly disconnects after a few minutes of use and in order to get a connection I have to disconnect and ...
3
votes
0answers
7k views

Share internet from PC to unrooted android smart phone connected via USB cable

I am running Ubuntu 14.04 LTS with Windows 7 Dual boot (both 32 bit) in my desktop. I use cable broadband (Ethernet). I have an unrooted android smart phone running KitKat 4.4.2. This device has a ...
3
votes
0answers
1k 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 ...
2
votes
0answers
18 views

Ubuntu 14.04 (DB with W10) Ethernet will not attach to network…until it does

So I have been having network problems since I configured Grub to manage my dual boot machine. Ethernet will not configure dhcp automatically when Ubuntu is booted up, and setting the IP manually ...
2
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0answers
40 views

Seamlessly switch between ethernet and wifi

At home, depending on room, signal pertubation (many Wifi networks around), and phase of the moon I connect to the modem/router with Ethernet or Wifi. In practice this means either Wifi alone, or Wifi+...
2
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90 views

Network Interface does not come up automatically

I have a couple of Jetson TK1s and Jetson TX1s running Ubuntu 14.04 (Linux4Tegra). I need to be able to switch between two network configurations - an "office" one where I'm in the office and can ...
2
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107 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 ...
2
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0answers
912 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: 02:...
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0answers
44 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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votes
0answers
3k 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 ...
2
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0answers
203 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: ...
2
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0answers
374 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 ...
2
votes
0answers
271 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 ...
2
votes
0answers
36 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 14....
2
votes
0answers
577 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 ...
2
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0answers
200 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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0answers
242 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 ...
2
votes
0answers
345 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 ...
2
votes
0answers
382 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 ...
2
votes
0answers
125 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 ...
2
votes
0answers
556 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 ...
2
votes
0answers
264 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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819 views

Can't start ethernet network connection

After electric surge grub loader has stoped working which i fixed with 'grub-install', but now i can't make ethernet working again. Bootable version of Ubuntu doesn't working too. What is the lowest-...
2
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170 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 ...
2
votes
0answers
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 ...
2
votes
0answers
331 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 ...
2
votes
0answers
50 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: net.ipv4....
2
votes
0answers
653 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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votes
0answers
3k 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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26 views

Losing wired connection on ubuntu several times a day (segfault)

Several times a day I lose wired network connection. It is restored after a while. Last time it happened, I looked at dmesg and found this: CHTTPClientThre[12511]: segfault at ee931b6e ip ...
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vote
0answers
22 views

Loss of Internet Connection When Assigning Static IP

After updating an old 'sandbox' type 14.04 desktop computer to 16.04 server to use again for mostly the same purpose, I was attempting to give the computer a static IP, and eventually forward a port ...
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0answers
45 views

I don't have a wireless connection

I have no wireless on my desktop. When I try to connect using the wireless icon on the panel, it says: Ethernet Network (Realtek RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller disconnected. ...
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vote
0answers
42 views

CHAP authentication failed: bad username or password

I have been trying to connect my Ubuntu 15.10 to the Internet using an Ethernet cable. I have used the command sudo pppoeconf to configure the ADSL. The file /etc/ppp/peers/dsl-provider contains the ...
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0answers
20 views

Ubuntu Server 14 connects on LAN but not WAN

Every time I boot my newly installed Ubuntu 14.0.4, it always says "Waiting for network configuration". When I log in, I have to type sudo ifconfig enp3s8 up to activate my adapter (for some reason it ...
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0answers
35 views

LAN to LAN communication not working while internet works fine. (Ubuntu 16.04 LTS)

I have 2 ethernet WLAN ports on my PC1 and 1 ethernet port PC2. I have a small piece of code that sends and receives packets through ethernet port from PC1 to PC2(LAN to LAN communication). ...
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0answers
25 views

Why would ethernet not work after setting up dual boot?

So I have been setting up Ubuntu 14.04 on a separate ssd in my desktop for some machine learning development. I had been manually disconnecting my Win10 side or my Linux side whenever I was booting ...
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0answers
38 views

How to set up dual NICs?

so I have just got a new motherboard for my Ubuntu 12.04 server and it has dual Gigabit Intel NICs. I use the server as an SMB file server and a Plex Media Server. Currently, I have 1 NIC connected ...
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0answers
61 views

Broadband (wired) stopped working after a reboot - Ubuntu 16.04 LTS x64

Switched to Unbuntu 16.04 LTS from WinXP a month back. Internet(wired broadband connection) was working flawlessly for few weeks. I'm guessing some automatic updates or something I fiddled with ...
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vote
0answers
48 views

I have no internet after fresh installing 16.04, but it was functional during installation

It's very strange... I can't connect to the internet after installing 16.04 (I dual-boot with windows 10). It was functional during the installation because it installed updates (I also tried ...
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0answers
108 views

Could, would ethernet via usb work on BQ Aquaris M10 Ubuntu tablet?

I'm considering buying the above mentioned tablet, but just to be sure, I contacted BQ to ask if they can confirm the device recognises an usb ethernet adapter. Unfortunately they didn't provide a ...
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0answers
47 views

On connecting usb to ethernet adapter, Xubuntu shows no internet, but Windows 7 works fine

Sorry, I have to start this post again, since the previous post couldnot solve the problem. I have a dual-booted system - Windows 7 and Xubuntu. Previously, I had an internet connection in both Win 7 ...
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0answers
129 views

New 14.04.4 LTS Install unable to connect to networks ethernet or wifi

I'm a new Linux user. Strong Windows user but not a programmer. I installed Ubuntu 14.04.4 on my old Dell Inspiron 1501. I am not able to connect to my Home network via Ethernet or wifi. I'm not able ...
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244 views

Qualcomm Atheros AR8161 - Ethernet connection doesn't work

Today I launched Ubuntu 15.10 from bootable pendrive and tried to connect to the Internet using wired connection - it doesn't work (same on Ubuntu 14.04). Wireless connection is fine. I've tried a lot ...
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0answers
94 views

Ubuntu with Intel Ethernet I217-V does not work

My company bought some notebooks and we are installing Ubuntu on them. But, the ethernet driver is an Intel I217-V. So far, it have been a headache, we are having some troubles to make it work. I ...
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0answers
163 views

Network manager no longer functional after most recent sudo apt-get upgrade

I am on 14.04, kernel 3.13.0-64.generic #104. I did sudo apt-get update && sudo apt-get upgrade and the network manager no longer works. Is anyone else experiencing this? sudo lshw -C ...
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0answers
92 views

Unable to ping anything but local host from ubuntu

So I have a dual booted machine (Windows10/Ubuntu 14.04). From the windows side I can access the internet no problem. However from the Ubuntu side I cannot and have never been able to connect to the ...
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0answers
31 views

Ethernet Port Detection

UBUNTU KYLIN 15.10 : Ethernet port is not working on ubuntu but previously it was working on Windows. It doesn't show any ethernet controller. I have tried: root@rajesh-Inspiron-N4010:/home/rajesh# ...
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43 views

showing connected wired but no internet and shows dns prob finished internet in chrome

if config eth0 Link encap:Ethernet HWaddr 00:27:0e:26:f7:7f UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:513 errors:0 dropped:0 overruns:0 frame:0 TX packets:87 errors:0 dropped:0 ...