Questions tagged [ethernet]

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

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Laptop can't use wifi in Ubuntu 20.04 [duplicate]

Sorry for my English. But I was a big trouble :( I'm beginer user's Ubuntu. My laptop is Lenovo Legion Y530 (i7 8th - 16GB ram - GTX1050). I'm running Ubuntu 20.04 for it and I was had a trouble with ...
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Slow pip installation issue possibly related to DNS configuration

I am a total newbie here, so pardon my limited knowledge on network configuration. Context I'm using Ubuntu 18.04 LTS and it is a bash shell I am using not a disk image. So, certain commands may ...
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Qualcomm Atheros 8151 ethernet seems broken with kernel 5.4 on Ubuntu 20.04

I recently upgraded from Ubuntu 19.10 to Ubuntu 20.04 LTS, and it seems that the upgraded kernel has broken the ethernet. The previous kernel (5.3.0-53-generic) is still able to be booted from, and ...
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Can I share my internet connection with my nintendo switch over USB?

I have my office quite a distance away from my wifi AP, with my desktop connected with a single ethernet cable, and the game console docked in the same room. Right now, in order to give it internet, ...
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network UNCLAIMED : Lost Ethernet/WiFi drivers after updating to Ubuntu 16.04.6 simultaneously on 2 different computers!

Updated from 16.04.3 to 16.04.6 (over ethernet on one computer, WiFi on the other) and now no ethernet or WiFi, only the loopback. I am flexible if the solution requires going back to 16.04.3. I ...
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Inbound connections not working to wifi, unless wired network is connected

I have a system I just upgraded from 19 to 20.04. Wifi works fine when logged in locally. But...after installing openssh-server, I found I could not ssh into the laptop. I've got assigned IPv4 ...
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How do I debug DHCP?

UPDATE: The DHCP in the camera does not work as expected and requires a static IP. However tcpdump is your first line of defense, see checked answer below. I have the following setup: NVidia Xavier ...
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How do I share ethernet ports with router based DHCP?

I have a quad NIC. Port 1 goes directly to the switch. I would like ports 2, 3, and 4 to basically function as a hub. Anything connected to them should be assigned a DHCP address from the router, and ...
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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 ...
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Intermitent ethernet connection, Destination Host Unreachable on ping 1/3 of the time

I'm having intermitent issues connecting to the internet only when connecting my DELL XPS 15 through a wired connection. These are very fast "working not working status" as you can see by the ping ...
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Network down after suspend WIFI and Ethernet

Upgraded to 20.04 from 18.04 and installed CTparental DNS filtering, now no network after suspend neither WI-FI or Ethernet even though they show connected in the settings, although my Wi-Fi is ...
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ethernet connection causes computer crash

XUbuntu 18.04.4 LTS, dual boot on hp spectre x360 Sometimes, when connected to ethernet (via usbc/ethernet hub, my hardware does not have an ethernet port), a software glitch happens. It seems to me ...
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Wired LAN not working in Ubuntu 20.04 [duplicate]

I've gone through a lot of time searching and testing solutions to no avail with my wired LAN connection in my laptop with Ubuntu 20.04. Actually it didn't work either with 18.04 nor 19.10 and ...
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Share wireless connection with fixed ip, on different networks

This question How to share a wireless connection through ethernet with fixed ip addresses? mentions how to share a wireless connection through ethernet with a fixed ip address. This is useful when ...
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How do I set Ethernet speed for Ubuntu 20.04 permanently?

Ubuntu will automatically try to connect my Ethernet connection at a speed of 1000 Mbps. I need the network to connect at 100 Mbps since my cable is unable to support any higher. As it stands now, I ...
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Ubuntu 20.04 Ethernet and WiFi not working

Apologies if this has already been asked. I've been using Ubuntu pretty flawlessly for about a week or so now and all of a sudden I cant connect to the internet via WiFi or Ethernet, when i did lshw -...
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how to transfer files ubuntu 20.04 pc with windows pc through ethernet cable?

i am using ubuntu 20.04 LTS and i have a windows laptop. i have tried many ways to connect those with an etharnet cable. i have shown every youtube tutorial to do so but there is no settings of wired ...
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How to match between ETH controller and ip address?

Ubuntu 16.04 LTS (but I also need this for 18.04 LTS) I have my Ethernet IPs X & Y, and 2 ETH ports. I want to know which is which. What I tried so far is this: ip a to see all ip addresses + ...
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IPv6 not working properly in Ubuntu 20.04

Few days ago, I upgraded to latest version of Ubuntu (20.04 LTS). After freshly installing a new system I discovered, that the computer could connect to IPv6 addresses only after a huge timeout. DNS ...
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changed motherboard, same drive, unclaimed network interface

Upgraded motherboard and reused the existing drive with Ubuntu 16.04 installed. Everything works as expected except the network connection. lshw states network UNCLAIMED. To test the motherboard ...
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Network Interface not configured? Setting up MAAS

The network interface eth1 is apparently a thing. root@OrangeBox100:/home/ubuntu# ifconfig eth1: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 inet6 fe80::68be:f1e4:17a8:5080 ...
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How to get out of the “Ethernet Connecting” status without rebooting my Ubuntu host machine?

Every time I unplug the mini-USB and plug it back, my Ethernet over USB will stay "Ethernet Connecting" forever. I have to reboot Ubuntu host to get USB Ethernet connected. I am not sure if this is ...
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Setting VPN to start at boot causes wired network to not autostart

Running Ubuntu 20.04, I have configured my VPN to start at boot. Now, when the PC boots, the wired network doesn't autostart. Instead, I have to manually start it each time by clicking the Ethernet ...
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NetworkManager not connecting to eth0 on boot

I am trying to set up a network using the NetworkManager. The problem is that the network isn't starting automatticaly on boot. After booting up, i try to ping the target address (192.168.43.1) and ...
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How to fix drivers including LAN (Internet) after --purge remove *-desktop?

I just upgraded my Ubuntu 18.04 to 20.04. It was working good, until I switch Ubuntu-desktop to xubuntu-desktop. I tried xubuntu, and decided to move back to Ubuntu. So I just purged xubuntu-desktop. ...
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I cant piggyback ETHERNET connection from computer [closed]

So I downloaded Linux UBUNTU today and I couldn't connect my adapter because it wasnt working, so I connected my ETHERNET cable to a nearby iMac, and connected the ethernet to my computer. It says im ...
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wine+messenger program what is the difference between wifi and ethernet

I installed wine on 19.10 and installed kakaotalk(messenger program) with wine. but when I connect ethernet or wifi wife is working with connection but ethernet is not connected to the messenger ...
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Wifi and Ethernet Extremely slow on my computer!

I'm running ubuntu 20 and my internet is extremely slow.I'm getting 20-25 MBS on both wifi and ethernet. Wifi being slightly faster. My network says its cable of higher speeds and on my laptop, I get ...
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Ethernet to USB adapters Realtek disconnecting intermittently

There is a question very closely related, but neither of the solutions have worked for me: USB ethernet adapter (Realtek r8153) keeps disconnecting I have tried USB_BLACKLIST="0bda:8153" in /etc/...
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How do I install the rtl8188ce driver in ubuntu 18.04.4 if I don't have an ethernet port

I have a Lenovo ideapad s130-11igm with a rtl8818ce wifi card, but there are no rtl8818ce drivers for ubuntu except for in github. I can't access the internet in order to install these drivers ...
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Ethernet UNCLAIMED

Ubuntu 20.04 LTS recently upgraded Wired ethernet suddenly becomes "UNCLAIMED". Where I can seek this issue? Below there are posted some commands I used for investigation and my expectation is to ...
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my laptop wont connect to the WiFi and i dont know if i can use a Ethernet dongle

i wiped my hardrive and i was use windows 8.1 and now my laptop wont connect to the WiFi. my laptop is the hp stream notebook 14 in new to Linux
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Spammed logging in syslog when USB ethernet adapter attached

I am running Ubuntu 18.04.4 server on a system that I have attached to it a Realtek 8156 2.5 Gbps ethernet USB adapter. While this adapter otherwise works when attached to a USB 3 port, my syslog is ...
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On Ubuntu desktop 19.10 No network adapter visibel but i can use firefox, but not softwareupdate. ifconfig shows it is there and working

I'm new to Ubuntu installed it recently ( 19.10 ) , I run on an old Poweredge T20 16gb ram, 3ghz 2 cores, 1 internal nic, 200gb ssd. Now up and running I ran some updates from terminal, and ...
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Ethernet not working suddenly [closed]

I am using ubuntu 20.04, till now there is no problem but suddenly my ethernet stopped working when I type sudo lshw -C network I posted the same in focal bug section, but they advised me to post it ...
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How can I reload the Ethernet service (without stopping the current connection)?

I'm working on Ubuntu 18.04, and I need to reload the Ethernet service (only the Ethernet one) without stopping the current Internet Connection (download/upload). I need to use only then the Bash ...
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How to enable a network interface without the use of ifconfig

I have recently installed Ubuntu server 19.10 on my newly acquired dell poweredge r710. After install I wanted to do the usual for a new Linux install, such as sudo apt-get update and such, but it ...
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Running into network connectivity issues in GNU GRUB version 2.02

I am trying to run an application on GNU Grub version 2.02 however I can't get any network access. I continuously get domain not found errors. I launched the GNU GRUB 2.02 command line and ran ...
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Ubuntu 18.04 is broken once I use a static IP

When I try to change my wired ethernet connection from DHCP to Manaul, with the IP 192.168.100.100 and the Netmask of 24 and a gateway of 192.168.121.1, the connection suddenly stops working. Could ...
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1answer
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Unstable Ethernet connection

My Ubuntu 19.10 64-bit has an unstable Ethernet connection. The problem is the same as Ethernet is unstable - Ubuntu 13.10, which remains unsolved. I don't experience the same problem on Windows. ...
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Unable to ping secondary eth interface ubuntu18.04

I have a fresh installation of Ubuntu 18.04 with two Ethernet interfaces. eth0 is configured with a public Ip address and eth1 is configured with a private ip . Am able to ping the public ip from the ...
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Ubuntu 19.10 Ethernet connection stopped working

Couple days ago, after I did usual (do them almost daily) apt-get update && apt-get upgrade commands, my Ethernet connection stopped working, but didn't pay much attention since WiFi was also ...
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How can I disable the Ethernet card Power Saving?

I'm working on Ubuntu 18.04, and I need to full disable my Ethernet Cart Power Saving. I don't need to change any other System Power Saving settings, but only the Ethernet Card one. Also, it would ...
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e1000e | intel onboard lan problems | ubuntu 18.04/19.10/20.04

TL;DR: My network interface seem to not accept/load/install the appropriate kernel driver module, e1000e. Only hint to a solution was from a dmesg hinting at that another driver (igb) is loaded. ...
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Ethernet connection lost and shows “not connected” after wake-up from sleep

Warning: I'm a novice. I've installed 18.04 on my laptop (dual boot with Windows 10). I'm trying to use Ethernet. This works OK when I boot but after laptop sleeps and wakes up the connection is lost ...
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Ubuntu 18.04 detects wired connection and has access to LAN connections, but can't reach the internet

First off, I'm very new with Ubuntu, this is a work computer I'm trying to setup. Any help will be greatly appreciated! It's a prebuilt that doesn't have a wifi card, but two ethernet ports (dual xeon ...
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How to connect Ubuntu server to laptop network

I have a headless raspberry pi running Ubuntu Server 18.04.4 LTS. I control it with my laptop through an Ethernet cable. I’d like to remove the Ethernet cable. There is an interface ‘wlan0’ that I ...
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127 views

Gigabit Ethernet only in LIVE session

See bottom of this post for command line outputs... Using an Ubuntu 18.04 variant (multiple tried with same results), a Laptop (Dell L502X) Gigabit Ethernet Controller (Realtek 8111/8168/8411) can ...
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Ubuntu Ethernet is recognized and connected but internet is not working

Wifi works but the Ethernet wired connection does not. The same cable on the same computer on the same Ethernet port works perfectly under windows 10. In Xubuntu 18.04 I get no internet. The system ...
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how to connect 3 servers under two private networks

server2 (10.0.0.2) <--> server1 <--> server3 (10.0.1.3) output in server1. etstat -rn Kernel IP routing table Destination Gateway Genmask Flags MSS Window irtt Iface 10....

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