Questions tagged [ethernet]

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

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Killer Ethernet 2400: no wired internet

I have a Z170 Gaming K6 motherboard with a killer ethernet 2400. I have just installed Ubuntu but I'm not getting any internet even though I connected it with a wired connection to my router. I have ...
Anh-Khoi Trinh's user avatar
0 votes
2 answers
3k views

Getting make, build-essential, and ethernet drivers installed on Ubuntu 18.04 machine without Internet access (but with USB sticks)

Context: I have a freshly built Ubuntu 18 machine. From a separate Macbook Pro laptop, I created a bootable USB stick with Ubuntu 18.04.4 which I did by following the instructions here for Mac OS. The ...
ComputerScientist's user avatar
0 votes
3 answers
19k views

Qualcomm Atheros AR8172 Driver fix? (lenovo g500s)

Recently I took a lenovo g500s laptop. the product id is LENOVO_MT_20245. after the installation, it could not recognize LAN network adapter. After googling I found out that it has a Qualcomm Atheros ...
Hiranya Samarasinghe's user avatar
0 votes
1 answer
1k views

How to connect two laptops with ethernet patch cable to share files

I have the same problem as this question( How do I connect my desktop and my laptop using an ethernet cable to transfer files? ). I could not comment on the answer selected by OP, because of not ...
Asiful Nobel's user avatar
27 votes
3 answers
161k views

cannot find device eth0

I'm new to ubuntu and need to install the ubuntu xenial server (16.04) edition to install MongoDB into a VirtualBox. After installation I tried to change from dhcp to a static ipv4 address. So I ...
Mic's user avatar
  • 371
16 votes
3 answers
20k views

After upgrade to 16.10 ethernet stopped working [duplicate]

Network Manager reports: device not managed Output of sudo lshw -C Network: *-network DISABLED description: Ethernet interface product: RTL8111/8168/8411 PCI Express Gigabit Ethernet ...
Carlo Gandolfo's user avatar
15 votes
3 answers
240k views

Trying to configure eth0 and eth1 but Failed to bring up eth1

Trying to do below on Ubuntu 12.04. Trying to configure eth0 and eth1, eth0 works fine, but failed to bring eth1. Below is the settings /etc/network/interfaces: auto eth0 eth1 iface eth0 inet ...
Test1234's user avatar
  • 183
12 votes
2 answers
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How to setup and save vlans on ethernet

I am trying to setup vlans on my eth0 network card. The following are the steps that I've taken: Install vlan with sudo apt-get install vlan Edit /etc/network/interfaces in vi by adding: auto eth0....
hammertime's user avatar
11 votes
2 answers
119k 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 ...
youri's user avatar
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10 votes
7 answers
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Ubuntu (dual boot Windows) Ethernet Not Connecting/Detecting

I'm completely new to Linux and just installed Ubuntu 16.04 LTS with Windows 10. (I've installed Ubuntu on a different partition than Windows, if that would be of any help). So I set up Ubuntu but my ...
Rahul Patil's user avatar
10 votes
2 answers
96k views

How to make ip Address static (eth0)

I'm having a really hard time configuring ubuntu 13.04 to have a static ip address. I have tried multiple solutions but everytime I reboot (can't do the network reset command because ubuntu freezes) I ...
Jordan Angelucci's user avatar
10 votes
5 answers
57k views

Wired connection not working Ubuntu 12.04

My connection was fine until now, but my wired connection is not working in Ubuntu 12.04. I have installed Ubuntu 12.04 along side Windows 7 partition and the connection works on Windows but not on ...
user75945's user avatar
  • 101
8 votes
2 answers
29k views

How to connect two ubuntu computers with ethernet cable

I'm trying to connect with ethernet cable two computers - desktop and laptop. What I want to do is transfer a lot of data from one to another. The problem is that I'm doing everything from: How to ...
Łukasz Zaroda's user avatar
8 votes
2 answers
23k views

What should my MAC address be? (now shows 00:00:00:00:00:00)

I have three computers all wired into my router. The box I'm posting this from is running Ubuntu 11.10, and another machine is running Xubuntu 11.10 Both connected automatically when the ethernet ...
Shawn's user avatar
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8 votes
3 answers
14k views

Why do Ethernet devices not show up in "/dev"?

Generally I have noticed that plugging in a new device in a Linux system causes a new entry to be listed in /dev (assuming you have the correct drivers). For example: When you plug in a new hard ...
dinkelk's user avatar
  • 369
7 votes
4 answers
37k views

Ubuntu 22.04 Network doesn't work until NetworkManager restarted

Following upgrading from 20.04 to 22.04, networking doesn't work until I issue sudo nmcli networking off && sudo nmcli networking on This is true of both ethernet/wired and wifi and ping from ...
Montecristo's user avatar
6 votes
1 answer
22k views

Forward laptop's WiFi into PC Ethernet

I need to do a few things that can only be done on my computer, but my home internet is broken this week. The only way to get internet is on my phone. I turn on tethering and my phone acts like a WiFi ...
Nick Bailuc's user avatar
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6 votes
1 answer
33k views

Intel I217LM ethernet controller not detected by Ubuntu 12.04LTS

My last installation of Ubuntu 12.04 on a machine using an ASUS Q87M-E motherboard with an Intel I217LM Ethernet controller has failed to detect the ethernet card. The only thing displayed by ...
Alexandr Kurilin's user avatar
6 votes
2 answers
84k views

Enabling and disabling Ethernet in ubuntu 15.10

On my dell laptop, ethernet once disconnected cannot resume the connection again without restart. This same problem is on Windows also, meaning definitely the problem is not with Ubuntu. But on ...
Vivek Kumar's user avatar
6 votes
1 answer
25k views

Ethernet controllers not working (Realtek RTL810xE, Realtek RTL8111)

EDIT: I've found an appropriate driver https://github.com/ghostrider-reborn/realtek-r8101-linux-driver I followed instructions here and now both network cards work (I only use one at a time because I'...
Will Hardiman's user avatar
6 votes
2 answers
52k views

Why Wired Internet is not working in Ubuntu 16.04 LTS?

You know, I was waiting for this release from last 3 months eagerly. I even downloaded it through torrents to help in anyway I can. When I installed it and I saw that it doesn't recognized my ...
rainlover's user avatar
  • 576
5 votes
1 answer
11k views

Ubuntu 18.04 Ethernet not managed

I have an issue on Ubuntu 18.04 that Ethernet is not managed. However Internet works fine, but it makes it impossible for me to set up vino screen sharing. Here are some outputs: superuser@...
michnovka's user avatar
  • 312
5 votes
4 answers
11k views

Ethernet is disabled after reboot - Ubuntu server 20.04.3

Problem I had a working internet connection over ethernet prior to shutting down, but now that I've booted back up I can't connect to my own network, let alone the internet. I had a very similar ...
Rustle Branch's user avatar
5 votes
4 answers
34k views

2.5G Ethernet LINUX driver r8125 installation guide

I have purchased a new desktop and I am trying to run Ubuntu in dual boot with windows 10. I have disabled secure boot and windows fast boot. When I log in to Ubuntu it does not connect to internet ...
Ayush Srivastava's user avatar
5 votes
3 answers
12k views

Issue with Ethernet dropping Connection Irregularly Ubuntu-Budgie

I have been running into intermittent ethernet connection issues using a custom build, Ubuntu-Budgie 64, system. I have gone through so many of the other conversations about applying fixes via ...
ViaTech's user avatar
  • 105
4 votes
2 answers
13k views

ethernet not working after reboot on Ubuntu Server 20.04.2

I had an ethernet connection successfully working, but now after a reboot it's no longer working. sudo lshw -C network reveals *-network ... description: Ethernet interface ... ... product: ...
mark's user avatar
  • 261
4 votes
2 answers
6k views

Wired Networking Ubuntu 17.04

I just upgraded from Ubuntu 16.04 to 16.10 and then 17.04 and lost wired networking in the process. It was fine 4 hours ago before upgrading. I can connect to WiFi but Ethernet Network is grayed out ...
user78290's user avatar
  • 135
4 votes
4 answers
15k views

Realtek ethernet driver issue, network unclaimed, ubuntu 18.04

i'm getting error network UNCLAIMED, and i see through the forums that it states the drivers. well, my kernel is 5.3.0-20-generic, and it states when i try to install the drivers, its the latest...and ...
lnx4m3's user avatar
  • 69
3 votes
1 answer
6k views

Ubuntu 14.04 Ethernet and Wifi not working (unclaimed network)

I'm having a problem that seems to be a common issue for new Ubuntu installations (as in http://ubuntuforums.org/showthread.php?t=2260232), but none of the posted solutions work for me. I replaced ...
yvoloshin's user avatar
  • 133
3 votes
5 answers
7k views

Ubuntu 13.04 on Mac Mini 6,2 ethernet port Broadcom NetXtreme BCM57766 not detected

The said network adapter is not recognized in 13.04. In 12.04 and 12.10 I had used the driver proposed from broadcom download site, configured as dkms package it was always updated. On the 3.8.x ...
Smurphy's user avatar
  • 71
3 votes
1 answer
3k views

Unable to activate the ethernet connection after upgrading to Ubuntu 18.04

I just upgraded from Ubuntu 17.10 to 18.04, and my wired network does not work (whereas my wifi connection works just fine). My interface seems correctly detected by the system: sudo lshw -C network ...
ghusse's user avatar
  • 141
3 votes
0 answers
2k views

Ethernet Network() device not managed ubuntu 16.04

Both Ethernet and Wifi Networks are disconnected from about 3 hours before posting this question on my ubuntu 16.04 machine. Things I tried from reading before posting here: sudo service network-...
bharathkallurs's user avatar
3 votes
2 answers
40k views

Ubuntu 17.04. install driver for USB Ethernet Adapter [closed]

Need to install a USB Ethernet Adapter (lsusb string below) Bus 003 Device 005: ID 0bda:8152 Realtek Semiconductor Corp. I have got four files by the manufacturer: /home/sergey/Downloads/RTL8152/...
Sergey Kasimov's user avatar
3 votes
1 answer
4k views

DNS not resolved on Ubuntu 22.04 Desktop

Today, Ubuntu auto updated Gnome. After restart, I can not reach any website from Firefox, nor Chrome, either in ethernet or in wi-fi. DNS are not resolved anymore. resolvectl status Global ...
François Romain's user avatar
3 votes
1 answer
13k views

Ethernet does not work with Ubuntu Server 20.04

I want to install some packages via Ethernet, but it does not seem to be working. I want a DHCP connection. Here is what I tried: ifconfig (net-tools was installed via usb) Which only gives ...
CodingM's user avatar
  • 133
3 votes
1 answer
4k views

Using Apple Thunderbolt 2 Ethernet adapter on Ubuntu 20.04

I installed Ubuntu 20.04 Server on my 2014 Macbook Pro and it all works great with the USB to ethernet adapter. However, when I try to use the Thunderbolt 2 to ethernet adapter I can't get the network ...
Awe's user avatar
  • 33
3 votes
2 answers
50k views

How to install (or troubleshoot) a USB 3.0 AX88179 Gigabit Ethernet adapter?

I have a USB 3.0 AX88179 based Gigabit Ethernet adapter and after searching online, I found many people reporting success with this device under Linux. The driver entered the mainline kernel on ...
Vangelis Tasoulas's user avatar
3 votes
2 answers
10k views

How to ssh into raspberry pi via ethernet

I've been trying to connect my headless raspberry pi to my Ubuntu 16.04 via the ethernet cable since a week, but have not been able to get the IP address of the connected raspberry pi. I've tried ...
Satwik's user avatar
  • 349
3 votes
1 answer
3k views

Ethernet not working in Ubuntu 16.04 (works in Windows) with RTL8111/8168/8411

My wired connection does not work in Ubuntu. I don't have a WiFi card so I need to fix this. I have run some commands to provide some more information(editing this post with results in a few minutes). ...
Jacob Hatwell's user avatar
3 votes
3 answers
5k views

How to Configure Ubuntu to Access Internet only with Wifi Ignoring Wire Connection (Ethernet)

Context: the Wifi connection works perfectly with the DHCP of the router. Only with this connection, I can navigate the web. the wire connection is necessary for me to be connected directly with an ...
Leos313's user avatar
  • 1,896
2 votes
1 answer
10k views

Ubuntu server - ethernet disabled and no eth0 in interfaces file [duplicate]

I have installed Ubuntu Server on an old desktop, and I'm new to this. I had set it up and was trying to connect through Putty but that was not working. When I tried ifconfig there was no eth0 IP ...
AutoBaker's user avatar
  • 123
2 votes
1 answer
1k views

Need to reconnect ethernet cable to get it work after docking laptop into dock station

On my Ubuntu 17.04 Dell Latitude laptop I use docking station. This station has dedicated connection. When I dock My laptop into station, It indefinitely shows "connecting" state icon. Like it tries ...
PeterM's user avatar
  • 694
2 votes
2 answers
13k views

Ethernet DHCP stopped working on Ubuntu 18.04.1 LTS

I have a notebook running Ubuntu 18.04.1 LTS for a few months and Ethernet has been working great. Today I just powered on and it fails connecting. I keep seeing the message Connection Failed: ...
lgraba's user avatar
  • 21
2 votes
1 answer
4k views

Cannot receive DHCP OFFER on ethernet

I'm using Ubuntu 18.04. I have exactly the same issue as described in this question on Unix & Linux; my laptop's ethernet/wired cannot receive DHCP offer. I can verify it's not a network/server ...
Saftever's user avatar
  • 413
2 votes
3 answers
27k views

Intel Ethernet I219-LM Driver in Ubuntu 16.04

I have installed Ubuntu 16.04 LTS on my Desktop, but Ethernet is not connected. My Computer uses Intel Ethernet Connection I219-LM. In my opnion, Ubuntu doesn't have installed a proposal network ...
KJuni's user avatar
  • 21
2 votes
1 answer
16k views

Ethernet not working on ubuntu 14.04 LTS

I have been struggling a lot trying to activate my ethernet connection without success. I am on ubuntu 14.04 LTS on a dell xps8900. I have a dual boot with windows 7 and ethernet is working fine on ...
nicoluca's user avatar
2 votes
2 answers
6k views

Ethernet isn't working on Ubuntu server 18.04 LTS [closed]

I'm setting up a server with Ubuntu Server. I'm using a seperate machine to set this up as the server I have doesn't have any display out. I've put the hard drive in another computer and are working ...
UnicornsOnLSD's user avatar
2 votes
1 answer
7k views

server wont connect to network; cannot find device eth0

ive looked through several of posts here on related issues and the attempts ive made all seem to lead to the same result, that eth0 is not configured or discoverable. i have a new 17.04 server, on a ...
user74091's user avatar
  • 175
2 votes
1 answer
160 views

Suddenly Ethernet & WiFi won't co-exist

I've had the same setting for years in Ubuntu 16.04 LTS. This morning suddenly there was no internet access unless I shut off WiFi. I can only access with either WiFi or Ethernet turned off. I've ...
WinEunuuchs2Unix's user avatar
2 votes
2 answers
4k views

Upgraded to 20.04 and Lost Ethernet Connection

Yesterday, I (finally) upgrade my Ubuntu 18.04 to 20.04. The upgrade progressed smoothly and I was prompted to reboot. After the reboot, I can no longer connect to the Internet via Ethernet cable. ...
Dave T's user avatar
  • 41