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

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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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2answers
357 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: ...
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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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1answer
98 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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1answer
228 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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2answers
878 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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2answers
132 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 ...
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1answer
237 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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1answer
293 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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249 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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1answer
147 views

Connect to internet on Ubuntu 14.10

I recently downloaded Ubuntu 14.10 on my HP Pavilion. I try to connect to internet by wired connection but Ubuntu doesn’t recognize the Ethernet card. When I follow the instructions at: ...
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139 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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86 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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2answers
121 views

Ethernet not working

I am new to ubuntu and I am having trouble accessing the internet via eth0 (it was working till yesterday). I have gone through the forums and implemented a few suggestions (creating new ethernet, ...
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1answer
76 views

Unable to run 2 ethernet connections at the same time

I have a workstation with the two ethernet ports (eth0, eth1), the problem is that i cannot run with both ports up and running. I can run with either one of them, but not both. auto lo iface lo inet ...
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85 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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1answer
453 views

Ethernet connection problems in Xubuntu 14.04 (intermittent packet loss)

UPDATE: I have discovered that eth0 did not reset to half-duplex all of the time but only some times. Also, it occasionally appeared to have trouble resolving DNS. Then, I connected the system in ...
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1answer
233 views

wlan0 does not work.(eth0, wlan0 same netmask)

I am using Ubuntu 14.04. as wlan0 was connected to WiFi. The ping is not a gateway for wlan0. netmask of eth0 and wlan0 is the same. root@kwon-530U3C-530U4C:/home/kwon# ifconfig eth0 Link ...
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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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1answer
4k views

Restore wired network connection

Hi My problem is the following: I was at my friend, were they had mac filter on the network. I used to clone the MAC in the network manager, but I accidentally copied it in the wrong field, and ...
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1answer
3k views

Ethernet link not detected in ubuntu 14.04 after update

Since I ran some update in the past week or so, I have not been able to get a wired connection. Specifically: Initially, during boot up, the ethernet link light is on As ubuntu boots up, the link ...
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34 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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1answer
83 views

Ubuntu Print via LAN using USB 2 to Fast Ethernet box to USB printer

Ubuntu 14.04 Printer HP OFFICEJET K7100 (wide format) USBNETBOX1 by KONIG, based on ASIX AX88772 chipset Installed HPLIP-3.14.10 version was installed on 19-01-2015 - Ran test print connecting my ...
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1answer
698 views

Connecting to internet through bridge

I'm trying to connect my ubuntu desktop to the internet but my wireless card doesn't work on it. I have a Windows 7 desktop sitting next to it which connects to the internet through wifi so I'm ...
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1answer
78 views

Ubuntu - Method to install drivers [closed]

How do I install ethernet driver on Ubuntu? Isn there a program which installs the drivers?The .exe files dont work.There are linux editions but i do not know how to install them.
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Ethernet won't work unless I set the speed to 100

I'm currently on 14.04 LTS, but I been testing on 12.04 LTS as well and the same problem occurs. My motherboard is a MSI Z97 MPOWER MAX AC. Basically, the ethernet is detected but it doesn't connect ...
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1answer
4k views

Error fetching interface information: Device not found

Running 14.04 on VMWare player, I am trying to configure a new Ethernet device eth1 through editing /etc/network/interfaces. I have configured a device for eth0, and that is working properly. Here ...
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2answers
890 views

ARP flux how to solve

I have a server with 2 NICs having an IP address in the same subnet, this is what my /etc/network/interfaces looks like: auto eth0 iface eth0 inet static address 192.168.2.155 gateway ...
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26 views

Define specific internet routing with Network Manager [duplicate]

I have a wireless internet that goes out to the Internet, but I have Ethernet set up for a private internal non-Internet-facing network. When I connect my Ethernet on this private static ...
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1answer
96 views

14.04 Ethernet works only directly through modem

After searching through all the help suggestions, I still cannot find a direct answer to this: I recently bought an empty Lenovo Thinkserver and successfully installed Ubuntu 14.04 via a live USB. ...
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1answer
8k views

Network eth0 DHCP, static ip and autonegotiation issues

Background I am running an Ubuntu Server on 14.04 which is currently up-to-date. I have only one network device connected to it. When I use my Ethernet cord and connect it from the wall to my laptop ...
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346 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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1answer
267 views

Ethernet works during install, but after booting neither eth0 or wlan0 appear

First time I tried to install 14.04 on my Dell Vostro 1500, the wi-fi didn't work to download updates while installing. Upon first boot, it still didn't work so I plugged in the ethernet cable. Still ...
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2answers
1k views

Why is my USB Ethernet Card not working in Ubuntu 14.04 Server?

I've got a laptop which I'm trying to set up as a server (a rebadged Uniwill 223ii0), but it has an ethernet port which is dodgy (sometimes works, sometimes doesn't). I bought a £20 usb ethernet card ...
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476 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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1answer
118 views

ubuntu 14.04 wont connect to ethernet - trying manual question

I'm very new to linux - I'm on my chromebook now trying to look up answers. So I can't connect my linux run pc to my Ethernet (I know it's working as my chromebook can connect to it) so I'm now ...
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1answer
238 views

Ubuntu Server 14.04.1 LTS keeps breaking entire ethernet LAN

ifconfig syslog at time of failure Basically what happens is: 1) I reboot the machine (either with hard shut down or by hitting the reset button) 2) Everything is fine 3) At some random time ...
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1answer
35 views

Multiple networks with DHCP prioritizing one

I'm trying to setup a client machine connected to two networks, both going out to the internet. Both networks, eth0 and vlan (eth0.8) should use DHCP. I want to use all the domain-name-servers, ...
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1answer
2k views

Bridge on Ubuntu 14.04

I found on the pagelink. instructions to setup a bridge between eth0 and wlan0. In particular, my system should connect to the SSID (ASUS_HOME) of my wifi modem router located at 192.168.1.1 and ...
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1k views

Ubuntu server can no longer get address from DHCP

A couple of years ago, I set up an Ubuntu server with RAID to act as a home file server. All was well until last week, when my other computers could no longer access the files. My problem is ...
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1answer
390 views

use of eth0 and wlan0

I have a simple Arduino HTTP Server and I want to browse this server from my Ubuntu. If I assign to Arduino an IP 192.168.0.9 and I connect the Arduino HTTP Server to my router (to any of the 4 ...
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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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1answer
2k views

Is r8168 installer in ubuntu software center secure and working?

Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 06) that is what Ethernet Card I have. I have a question: I am using 14.10 and I have found issue with ...
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1answer
9k views

What is the meaning of p3p1, p2p1, p1p1 network device?

The devices that used typically to be called eth0 now seem to be p3p1, p2p1, p1p1. I presume the name means something, but have been unable to find out what. I think it is not related in any way to ...
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2answers
175 views

How is a device managed when not in /etc/network/interfaces on Servers?

On my Ubuntu Server, 14.04.1 LTS, I have not specified any devices in /etc/network/interfaces, yet they (multiple ethernets) work completely as intended with static IP. I have heard from multiple ...
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1answer
678 views

Ethernet (intermittent) +wifi (not working) in 14.04 on HP Elitebook 725

I have purchased an HP Elitebook 725 and installed Ubuntu to dual boot with Windows. Initially I installed 14.10 but, following discussion at http://ubuntuforums.org/showthread.php?t=2254816, I have ...
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1answer
212 views

How do I get eth0 IP address

When I type in this command line I got this.But it did not contain IP address.Actually I want to connect with Raspberry Pi with ssh connection.So do that I want to get IP address of eth0 .If there is ...
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3k views

Ethernet connection is not showing in my ubuntu 14.04

These are outputs of some useful commands:- May it helps... 1.-> ifconfig output--> lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 ...
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1answer
407 views

14.10 Cannot connect to internet through a wired connection. Try before install boot option selected

I'm currently attempting to install 14.1 on a new computer via USB. No Wireless. It's plugged into the ethernet port on a Gigabyte GA-990FXA-UD3 ATX mother board with an AMD FX-6350 3.9 GHz 6 core ...
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2answers
395 views

14.10 Cannot connect to internet through a wired connection. Still trying before install

I'm currently attempting to install 14.1 on a new computer via USB. No Wireless. It's plugged into the ethernet port on a Gigabyte GA-990FXA-UD3 ATX mother board with an AMD FX-6350 3.9 GHz 6 core ...