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

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Ethernet Connection Not Work (Xubuntu 15.04)

I've been looking around and trying the answers in other places, but none of them have worked so far. I have an ethernet connection on an old laptop. I'm using Xubuntu 15.04. This ethernet connection ...
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2k views

Wireless, Ethernet and Bluethooth not working with lenovo G5080 under Ubuntu 12.04.5/14.04 64bit

I have Lenovo G50-80 laptop and installed Ubuntu 12.04.05 or 14.04 for 64 bit. But I can't establish a wireless connection or a ethernet connection. $ lspci -nnk | grep -iA2 net 02:00.0 Ethernet ...
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48 views

Eth0 lost when ethernet is using crossed cable

I am using Ubuntu 12.04 and I made changes on Interfaces file to change the IP of my touch computer. After reboot everything works well if I am connected with normal Ethernet cable to a Hub or router, ...
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456 views

DSL problem in ubuntu 15.04

Network is not connecting, I get the error message (1) Creating object for path '/org/freedesktop/NetworkManager/ActivationConnection/4' failed in libnm-glib.
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every time Software Updater installs something new,ethernet adapter goes wrong

After Software Updater installed something,my network didn't work.it seemed that ethernet adapter driver was updated and the new driver didn't work on my computer.so i have to install the old one ...
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121 views

New Internet Connection in Ubuntu 14.04

My ISP provided me the Ethernet Cable only and no router and configured the new network connection in Windows using username, password and service name (using dialup). How to setup this connection in ...
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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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165 views

add additional ip in ubuntu 14.04

vi /etc/sysconfig/network-scripts/ifcfg-eth1 DEVICE="eth1" HWADDR="FA:16:XX:XX:XX:XX" BOOTPROTO="static" NM_CONTROLLED="no" ONBOOT="yes" TYPE="Ethernet" IPADDR="157.0.0.101" NETMASK="255.255....
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365 views

How can I route between different network using multiple ethernet card?

I have two ethernet card in the PC, eth0 is connected to the local network(192.168.0.0/24), and the other is connected to the internet. I can reach all the devices which are connected to this ...
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134 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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Dual OS, Xubuntu works, Windows 7 no internet, and black screen

I'm having a similar problem. I bought my Lenovo ThinkPad L450 without any OS installed. I first installed just Xubuntu without any trouble, all was working well including no trouble connecting to ...
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136 views

usb ethernet cable

Does anyone know how to connect a ubuntu laptop to the internet via USB and ethernet? I tried to connect my Sony vaio laptop to the internet via an ordinary USB-ethernet-cable but it turns out I (and ...
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246 views

Can't Connect to Internet After Upgrading from 12.04 to 14.04

I recently upgraded from 12.04 to 14.04, and unfortunately afterwards I couldn't connect to the internet, either via ethernet or wifi. It could detect the cable and wifi networks, but it just couldn't ...
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1answer
187 views

Problem with Ethernet connection on PC, integrated network card (Ubuntu 14.04)

In the network manager : unplugged cable (but cable allright), I dissconect and connect - dont solve the problem. If lspci -nnk | grep -iA2 net - I have this: Ethernet controller [0200]: Realtek ...
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943 views

Connect Windows 8.1 to Ubuntu 14.04 using crossover cable

I have a Windows 8.1 and Ubuntu14.04 LTS Computers. I want to connect them to each other using Crossover cable so that I could Transfer files from Ubuntu to windows and back. Can anyone tell me how to ...
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137 views

Ethernet port not working

I'm running 15.04. WiFi is working fine, ethernet not working at all. Have run sudo lshw -C network and this is my output: *-network UNCLAIMED description: Ethernet controller product: ...
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398 views

Ethernet Network is disabled in 14.04LTS

When I first used Ubuntu 14.04LTS, I could use the ethernet network option in the network menubar to connect with lan, use the ftp server or browse another pc to share anything. I just need to connect ...
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646 views

Ethernet Network card BCM4401-B0 no longer recognised?

I updated Ubuntu to 14.04 LTS and I can no longer see my network - No network devices available shows in the network drop down menu. Networking is enabled and if I choose to boot my Dell Inspiron 1300 ...
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1answer
58 views

Ethernet not being detected in ubuntu14.04

I have DELL inspiron 15R laptop with dual boot windows8.1 and ubuntu14.04 LTS . My ethernet is workinh properly in Win8.1 but when i connect it in Ubuntu, it shows auto-ethernet and nothing happens ...
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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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5k views

Remove network interface permanently

I'm trying to remove a network interface permanently. For some reason, ifconfig lists eth0 and eth1, although the latter RX/TX metrics remain at zero. I suspect that extra eth1 entry might be causing ...
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How does the system admin gets the ethernet address of computers in the network?

I am very new to system administration. Have a doubt, how does the system admin gets the Ethernet address information of the computers in the network. Actually my doubt is how does he determine the ...
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Network manager applet doesn't show wired network connection

I have the latest installs of network-manager and network-manager-gnome. I installed Ubuntu Server LTS 14.04, then installed Cinnamon on top of that. I have LAN network connection (can browse, etc.). ...
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371 views

ifconfig sets wrong broadcast until ran again

This issue is very confusing for me. ifconfig sets a different broadcast address than specified, until I run the same command again. I'm trying to change the eth0 interface: inet addr:172.23.5.1 ...
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15.04 vivid vervet intermittent selective network outages

I recently upgraded from 14.10 to 15.04 and immediately after the upgrade was finished, I began having network problems. At first I thought the errors were related to my squid3 cache, but I have ruled ...
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How to use DSL connection and ethernet Network concurrently

In my university, we use a dial up network for internet. Apart from that we are also connected with Ethernet network. By this we can access shared folders of other friends. But In windows we did it ...
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How do I add an additional IPv6 address to /etc/network/interfaces?

this question How do I add an additional IP address to /etc/network/interfaces? mostly asks what i want except that i want to add more IPv6 addresses in the same interface eth0 without incrementing to ...
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263 views

LAN is not working, Showing “Cable Unplugged”

I am using Lenovo B490 laptop and everything was fine. Few days back My friend used my laptop in my absence and after that I am not able to connect internet through the LAN port. It is showing that "...
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2answers
1k views

ALX on AR8191 does not appear to be working 15.04

I am trying to use the ethernet port on my Lenovo y580, which previously worked untill I upgraded to ubuntu 15.04 from 14.10. My hardware is recognized, and I can connect to an ethernet network, ...
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3answers
2k views

Ethernet Connection randomly disconnects after transmit queue 0 timed out

Description of problem: Ethernet connection gets disconnected at random apparently without any reason. I have tried the following command to restart my ethernet connection, sudo service network-...
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1answer
949 views

VirtualBox - no eth0 or wlan0 connection (Ubuntu / CentOS)

I checked all possible places in order to solve this issue and only decided to post a question here because I'm at the verge of giving up. So, I recently installed VirtualBox 4.3.26 on my Ubuntu 14....
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1answer
234 views

Cannot connect DSL after upgrade from 14.10 to 15.04

After upgrade Ubuntu I cannot connect to DSL. I have system message: (1) *Creating object for path '/org/freedesktop/NetworkManager/ActiveConnection/9' failed in libnm-glib.* What is it? I have got ...
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Ubuntu 15.04 after reboot lost Ethernet connection

I've installed Ubuntu 15.04 and after a reboot I lose my Ethernet connection. After I've disable and re-enabled my connection Ethernet works fine, until I reboot again. This has been going on ever ...
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273 views

How to make virtual interface ping to a host in the network

I created a virtual interface as indicated in this Unix.SE post. I.e. sudo modprobe dummy sudo ip link set name eth10 dev dummy0 sudo ifconfig eth10 up sudo ifconfig eth10 192.168.1.150 I want to ...
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Ethernet connection not working after installing Ubuntu 14.04 LTS

EDIT: PROBLEM IS BACK.. I cant figure out a permanent and reliable way around the bug (have managed the bug to go away 2 times) my files keep duplicating themselves with a ~ after their name, so if I ...
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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 PCE-...
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Ubuntu 14.04 ethernet connection using graphical network manager

I am trying to connect Ubuntu 14.04 to the internet with an ethernet cable. I have turned wireless off. The cable works off a Windows laptop that I am using now. When I plug in the cable 'wired ...
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“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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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 ...
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1answer
578 views

KVM Bridging - Network connection fails if I change Device model to VirtIO from rtl8139

I'm setting up my first VM and am using bridging to access my network. It's a Windows7 VM on Ubuntu 14.10. I read that changing to 'Device Model = VirtIO' in the definition of the VM will improve ...
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2answers
104 views

Can't connect with ethernet. System keeps trying to connect then give up

Recently i did a fresh install of version 14.04 on my desktop. Despite of some problems, everything is working fine. The only thing that i can't get to work is my Ethernet connection. When i try to ...
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408 views

OSSEC HIDS reports “Interface entered in promiscuous(sniffing) mode”

I have installed the latest version of OSSEC HIDS (2.8.1), and I keep now getting these email notifications from it: OSSEC HIDS Notification. 2015 Apr 08 11:26:17 Received From: Bath-Towel->/var/...
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70 views

Ubuntu doesn't detect eth0

I use dual-boot Ubuntu 14.04 / Windows 8.1. I formatted Windows, but grub didn't catch Windows. So I used boot-repair and it worked well except one thing... Ubuntu doesn't detect eth0 after I used ...
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100 views

I managed to completely remove my ethernet card, even from BIOS

The problem is that I can't use my built in ethernet card. BIOS can't see it if I use SMART LAN it runs only "Virtual Cable Test", Windows can't use the card obviously, not even Xubuntu. Here is what ...
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234 views

How to route transmission traffic

Trying to get Transmission to only use my wifi interface (wlan0), while everything else uses ethernet (eth0). I was able to bind Transmission to the wlan0 IP but can't get it to work unless I ...
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998 views

Ethernet not working. Says cable unplugged on Ubuntu Gnome 14.10

When I go into the network settings in Ubuntu Gnome 14.10 (Which I heard is now a official flavour of Ubuntu) it usually says it's connected but at 10Mbs which is extremely slow and barely scratches ...
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136 views

No ethernet connection only wifi

I'm providing some of the terminal tests I done for a Dell latitude D520 with Ubuntu 12.04. Please any help will be appreciated. PCI: lspci 02:00.0 Ethernet controller: Broadcom Corporation BCM4401-...
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259 views

How do I share my ethernet connection with my Android phone?

How can I share my ethernet-connected Ubuntu 14.10 laptop's Internet connection to my Android phone?
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332 views

How do I connect to the internet using a wireless router at the same time as connecting to a lan using an ethernet connection?

Setup: I have two computers, both with an ethernet and wireless interface. I have router A that is connected to the internet. I have a router B that is not connected to the internet. I would like ...
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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 ...