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

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Ubuntu 14.04 does not recognize ethernet connection

my Ubuntu 14.04 does not recognize my Ethernet connection.the same connection in windows works fine. But it gets connected to Wi-fi.
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Sharing Wifi connection over ethernet, Still no internet access

I am trying to share my laptops (16.04) wifi connection with a beagle bone (14.04 no gui) through ethernet. I've done this process before on a raspberry pi and an odroid-xu4 but the same process does ...
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28 views

How can I set a second network interface in ubuntu 16.04?

I'm new into networks administration and I'm having some problems... I'm trying to configure my networks in ubuntu 16.04. The idea is to configure two networks through the same ethernet cable. One of ...
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30 views

Ethernet Not Working In Ubuntu 16.04 LTS in dual boot system!

I have a dual boot system with windows 10 and ubuntu 16.04 . Ethernet is working perfectly fine in windows 10 but on the contrary Ubuntu shows "Cable unplugged" . I have been surfing the web for about ...
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How do I get the network connection back after re-boot 16.4

Installed Ubuntu 16.4.1. added Gnome synaptic. it did not come up but was in the startup applications. I re-booted. When Ubuntu came back up, there was no Ethernet connection. I have NO Linux ...
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Realtek ethernet driver error ubuntu 16.04

I have recently upgraded from Ubuntu 15.10 to 16.04. when i was using 15.10 ethernet works flawlessly. But after upgrading to 16.04 it doesn't work anymore showing network cable unplugged. I tried ...
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Ethernet not detected

I have Lenovo Ideapad Y700. Even though i have connected my ethernet. In my network menu Wired connections does not appear. Also I have a dual boot.So whenever i switch from ubuntu to windows. even ...
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51 views

Ubuntu 16.04 LTS Wired/Ethernet Internet Timeout - Not working

I am connecting via Ethernet/Wired Internet and it is working fine too. However after few minutes the Internet does not work even connection was in connecting stage. I disconnected and again ...
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4k views

802.1x authentication not working on ubuntu 14.04

I am not able to connect to my Ethernet(via LAN) which requires 802.1X authentication (tyoe PEAP (MSCHAPv2)) on my Ubuntu 14.04 in Dell Inspiron 14z. I had been able to connect in Ubuntu 13.04 LTS and ...
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3answers
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Changing Network Interfaces name Ubuntu 16.04

I tried to change network interfaces name on this new Ubuntu 16.04 LTS version but doesn't have the /etc/udev/rules.d/70-persistent-net.rules . So, I tried to use /lib/udev/write_net_rules but it not ...
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Ubuntu 14.04 - need ssh access on Ethernet to execute the commands and wifi access to send data

Ubuntu system has two interfaces - ETh0 & wlan0 ETh0 is conected to local test network through switch wifi is conected to Access point Eth0 got ip 172.18.201.100 wlan0 got ip 172.18.202.87 ...
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How can i transfer data between two computers using Ethernet cable and FTP software like(gFtp)?

I want to transfer data between two Linux Ubuntu computers using just Ethernet cable and FTP software like gFtp Is this possible? because i get connection refused when trying to connect
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NetworkManager asks for password repeatedly [802.1x][16.04]

I recently updated form 15.10 to 16.04, I live on a campus, and we have to sign in for internet through 802.1x. I did everything same as I did it on 15.10, but I can't sign in on ubuntu 16.04. After i ...
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22 views

No internet connection unless I run dhcient and restart network-manager

I am having problems with my internet connection on Ubuntu 12.04-16.04. Whenever I start the computer up, I get connected via my ethernet cable, but I cannot connect to any IP except my ISP's or my ...
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43 views

16.04 x64 - ethernet not working

Grateful for some assistance. Recently upgraded from ADSL to fiber.Also installed 16.04 x64 - Ethernet talks directly to fiber cpe but not modem. Grateful for pointers. Here's info from sudo lshw -C ...
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1answer
68 views

New Ubuntu install and wifi fails, but not on set up

I put a new Ubuntu install on a laptop. During the install I was able to indicate which network connection to use, which it did. Hooked up wirelessly to my router, and even the WiFi on indicator led ...
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2answers
4k views

How to troubleshoot ethernet port on laptop

I have a problem with my wired connection. To be more specific, my laptop doesn't seems to recognize that I have plugged in an ethernet cable. I tried to download new drivers for my ethernet card, ...
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86 views

Random drops of the internet connection, while Network stays stable

Since a while now, I seem to have a weird problem: My laptop (with Ubuntu 14.04) randomly loses it's internet connection, at least 20-30 times a day (for about 1-2 minutes at a time) while the Network ...
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2answers
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Ethernet says it's connected but can't access internet. But i can access internet after 15-30 minutes . why i face this problem?

I am using ubuntu and windows 10 by dual boot. when i boot ubuntu Ethernet says it's connected but can't access internet. But i can access internet after 15-30 minutes if in this time i don't touch my ...
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1answer
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bonding virtual network interfaces in ubuntu

I have one physical interface(eth0) and two virtual interfaces(eth0:1, eth0:2) , both of virtual interfaces have Public IP addresses. I want to bond these two virtual interfaces into bond0, As you can ...
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36 views

Intermittent Ethernet in 16.04LTS

Getting some weird behavior when connected via ethernet. Upper limit of download speed is quite fast, but it takes forever to start downloading and connection drops out quite regularly. Happens often ...
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14 views

How to set up two specific network interfaces for UDP connection?

I would like to make a QT application for a specific PC connected to two other devices using ethernet cables. How to set up correctly to be able to read and write data to every direction? Details: ...
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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 ...
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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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Losing wired network connection once a week

Since upgrading to 16.04, my linux box at work, which runs day and night, loses connection to wired network occasionally, typically once per week. Usually when I am far away and try to connect... ...
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1answer
35 views

How to change naming scheme for network interfaces of an already installed Ubuntu 16.04?

I want to change naming scheme for network interfaces for the classic one (eth0, eth1, etc). Is it possible to an already installed Ubuntu 16.04 machine?
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27 views

Ethernet suddenly broke down

I have a laptop (Thinkpad p50s) with fresh 16.04. There was Ok during month, but today ethernet suddendly broke down without any reason. Wi-fi is working. Also I turn off ipv6 but without success My ...
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44 views

Problems with tg3 ethernet adapter after 16.04 upgrade

After doing a clean install of 16.04 Server on my HP ProLiant MicroServer Gen8 server I have problems with random disconnects from the network. The server will run fine between a few hours and more ...
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Ubuntu does not recognize Killer wireless 1535 and ethernet e2400 in Alienware 2015

I recently bought an Alienware 2015 which has a 1535 Killer wireless. When I installed Ubuntu 14.04 (Kernel 3.19) it did not recognize it. I did some search on the internet and found some methods to ...
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1answer
43 views

How to use wireless(wlan0) and wired (eth0) at the same time?

I am working with an embedded system in my lab and to remotely access the board, I have given a static IP to the board on Ethernet connection. The problem is - due to security reasons Ethernet ...
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32 views

Ethernet connection detected but not connecting to internet

I am using Ubuntu 16.04 LTS . I had completed reformatted and reinstalled Ubuntu 16.04 from scratch . The Ethernet connection is getting Detected as wired connection 1 however it is not connecting to ...
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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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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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32 views

How to enable ethernet connection on Lubuntu?

I installed Lubuntu OS on my Odroid-XU4. I connected an ethernet cable and also a Realtex Wifi adapter to it. But when I run ifconfig -a, none of the adapters are shown. How can I fix this problem?
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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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Fixed IP address reset everyday on Ubuntu Server 12.04

I successfully managed to setup a fixed IP address on my server running Ubuntu Server 12.04 by editing /etc/network/interfaces : auto lo iface lo inet loopback iface eth0 inet static address 192.168....
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When Ubuntu Server restarts eth0 Doesn't come back up

Every time I restart my Ubuntu Server 11.10 I can't ssh into it because ETH0 doesn't come up automatically. I never had this problem before upgrading to 11.10. I have to login to the server and start ...
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Can't connect to a wired connection

I installed Ubuntu 13.04 while Windows 7 dual booted. I have a Local wired cable connection which is working fine with windows 7, but in the case of Ubuntu it is not working. I try to connect using ...
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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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20 views

Ubuntu only has wired internet connection after suspending

I've installed ubuntu on a computer with dualboot with windows 10. First, it doesn't have internet conection at all, i tried a few things and could not solve the problem. Then, i was going to turn ...
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3answers
75 views

Ubuntu Server 16 Internet (Ethernet) not working [closed]

Disclaimer: I'm totally new to Ubuntu. I haven't been able to figure this out, and I've looked through a lot of posts online. I have installed Ubuntu Server on a computer. The system seems unable ...
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21 views

Intel S2600CP2J Motherboard Enable Ethernet

I bought an Intel S2600CP2J Motherboard w/Dual E5-2670 SR0KX , 128Gb. RAM. I have successful installed Ubuntu 14.04. The only problem is, the ethernet is is not getting any connection. Is there ...
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1answer
30 views

Ethernet internet not completely working

I have tried setting up a manual IP. /etc/network/interfaces: auto enp0s31f6 iface enp0s31f6 inet static address X netmask X gateway X dns-nameservers X X ping does not work with my gateway. ping ...
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1answer
52 views

WiFi / Ethernet connection on RTL8101 & RTL8723BE drops repeatedly every 5 - 10 seconds

My LAN / Ethernet and WiFi are not working properly in Ubuntu 14.04. LAN is connected but net got disconnected in 5 to 10 seconds repeatedly and it is not problem of net because it is working fine on ...
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73 views

Ethernet not working after upgrading to Ubuntu 16.04 LTS

I upgraded to Ubuntu 16.04 from 15.10 and have issues connecting to the internet. Wifi is working but ethernet connection is not working. Every time I connect it gives "Disconnected". For the first ...
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39 views

How to login into a network switch using ethernet cable

I have a network switch which is connected to my Ubuntu Desktop through Ethernet port. I would like to login into the network switch and execute some commands. Can I use Minicom or is there any other ...
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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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Can I link windows 10 and Ubuntu over Ethernet? [closed]

I have 2 very cheap desktop computers that both don't have internet adapters I got a adapter for my windows 10 desktop but I don't want to get another for my Ubuntu computer is there a way that I can ...
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Ubuntu 14 cannot connect eth0

I just reinstalled Ubuntu 14. I can't seem to get it to connect to my router... When it powers on, I see it saying in blue letters "waiting for network configuration" or something. When it eventually ...
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33 views

Having trouble connecting to the internet after a power outage

I'm on Ubuntu 16.04 LTS, having trouble connecting to the internet after a power outage. I've checked the network connections and it seems like the system is detecting the wired connection (ethernet ...