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

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263 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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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
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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
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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
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0answers
35 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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87 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 ...
2
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0answers
100 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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888 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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43 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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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
201 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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371 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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0answers
264 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
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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....
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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 ...
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0answers
199 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
241 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
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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 ...
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0answers
378 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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0answers
123 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
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0answers
555 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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263 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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812 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-...
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168 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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328 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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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....
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647 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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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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9 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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23 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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16 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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32 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
50 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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46 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
75 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 ...
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0answers
45 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
123 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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215 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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74 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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162 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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85 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
27 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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40 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 ...
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0answers
36 views

Internet stops working after a while

I recently upgraded from 12 to ubuntu 14 and since then I am getting this issue. My problem is that after a while using the internet it stops working and to get it working again I have to disconnect ...
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183 views

Cannot connect to Internet or Ethernet - Ubuntu 15.10

I installed Ubuntu 15.10 on my computer and I cannot connect neither with a wired nor with a wireless connection. I also have windows on that computer and wifi works there. I've been looking at this ...
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403 views

USB3 to Ethernet adapter neither properly detected nor functional

My laptop is a Dell XPS 15 (9550) running ubuntu 15.10. My USB to Ethernet adapter is an Aukey CB-C17 (http://www.amazon.fr/gp/product/B013HUDG0U). My question is simple: How to make appear the ...
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0answers
52 views

How to recover Ethernet and Wireless drivers on HP pavilion laptop?

I ditched windows completely and installed ubuntu 14.0.4 LTS on my HP pavilion dv series laptop. The wireless and ethernet drivers were working all fine for about one month. Both ethernet and wireless ...
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0answers
42 views

Just installed 14.04 LTS on new computer no ethernet

I know the ethernet controller is : Qualcomm Atheros Device e0a1 (rev 10) from lspci, and I think the problem is that I have no network interface adapter. I have no internet access on the computer, ...
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126 views

tl9200 usb ethernet driver problem?

My house was struck by lightning which destroyed my adsl/router and landline phone. To my surprise my computer (which is connected but turned off when the lightning strike ) is still working, only the ...