Questions tagged [ethernet]
Ethernet is a way of connecting computers together in a local area network or LAN.
2,156
questions
128
votes
2
answers
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Share wireless Internet connection through ethernet
I want to share the wireless Internet connection on my desktop with my old laptop, through ethernet.
I have ticked the option "Make available to others" on both connections, on my desktop, but my ...
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votes
4
answers
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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 ...
- 901
59
votes
5
answers
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Ethernet device not managed
I am using Ubuntu 16.10 and recently I have not been able to connect to internet using Ethernet. The network manager shows device not managed.
The WiFi network is working fine.
I've tried the ...
- 752
48
votes
16
answers
57k
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Ubuntu 18.04 - Ethernet disconnected after suspend
Ethernet does not resume after suspend.
sudo service network-manager restart
does not work. Only restart solves problem.
- 1,233
47
votes
2
answers
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No "eth0" listed in ifconfig -a, only enp0s3 and lo
So, I setup my Ubuntu box with VirtualBox, default settings - simple ISO image launch. After installing Ubuntu, I proceeded to test multiple programs, and everything was working fine. I have full ...
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37
votes
7
answers
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Wired Ethernet not working Ubuntu 18.04
Upon bootup the network connection appears to be connected, for several reboots, I was shortly able to ping 8.8.8.8. However, I'm not longer able to do this. Then after logging in (<30 seconds) the ...
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37
votes
4
answers
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Failed to start Raise network interfaces after upgrading to 16.04
I just upgraded a virtual 14.04 server machine to 16.04. After rebooting the VM I see the following error:
[FAILED] Failed to start Raise network interfaces.
See 'systemctl status networking.service'...
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31
votes
5
answers
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Ethernet Network not showing or connecting in Ubuntu 17.04
I updated from 16.04 to 17.04 a couple days ago. After doing so I found that when I connect my Ethernet cable, it doesn't connect or show connection as it did in 16.04. I Have an HP-15 laptop. I ...
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30
votes
6
answers
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"Activation of network connection failed" for ethernet connection
I have installed Ubuntu 18.04 on a Surface Book with dual boot, and I can't get the ethernet connection to work. Although the wifi connects, I keep getting the "activation of network connection failed"...
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29
votes
2
answers
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How do I install drivers for the Atheros AR8161 Ethernet controller?
I have installed Ubuntu 12.04-64 bit on my Lenovo IdeaPad laptop, and the wired Ethernet (LAN) connection doesn't work.
Running the lspci -vv | grep Atheros command from the terminal shows me I have ...
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28
votes
3
answers
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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 ...
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25
votes
6
answers
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How to find PCI address of an ethernet interface?
is there a way to find out the PCI bus number of an Ethernet interface or vice versa. I am looking to write a Bash/Python script which gives some thing like
pci_address = some_function(eth0)
where ...
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23
votes
6
answers
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Ethernet adapter was disable on Ubuntu 17.04
I am using Ubuntu 17.04 but I don't know why my Ethernet interface was disabled.
I tried lshw -C network and it shows this:
WARNING: you should run this program as super-user.
*-network DISABLED ...
- 353
18
votes
7
answers
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views
What is the active MAC Address of my computer?
While looking to find the MAC Address of my computer as it appears to a wireless network, it was recommended that I run ifconfig.
Having executed that command in the Terminal, I noticed that, unlike ...
- 3,635
17
votes
7
answers
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Two ethernet ports on motherboard. How can I get double the bandwidth?
Direct Question: My evga classified motherboard has two ethernet ports. I want to use them simultaneously to improve the speed of a remote connection. (Yay for programming remotely). How do I do ...
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16
votes
3
answers
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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 ...
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16
votes
2
answers
11k
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How to configure preferred network for internet?
I am connected to a LAN network and wireless network. Both provide access to internet.
Sometimes when the internet on LAN is not working, the browser simply throws an exception instead of switching ...
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15
votes
4
answers
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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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15
votes
3
answers
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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 ...
- 183
15
votes
2
answers
68k
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Ethernet *-network DISABLED
Just installed Ubuntu Server 12.04 on my laptop. The desktop version always had driver issues but only with WiFi not the ethernet, and I could just hard wire and install the proprietary drivers ...
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15
votes
6
answers
22k
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Why is my Internet connection randomly dropping?
Ever since I have installed 12.04 (clean install not an upgrade), I have been having a drop in the Internet connection. The drop in the connection can be anything from 15 seconds to about 3 mins, and ...
- 573
14
votes
4
answers
79k
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"Wired Network Disconnected" even when connected- no ethernet connection possible
I am unable to connect to the internet via Ethernet or WiFi. Let's fix the Ethernet issue, eh? I just installed Ubuntu 12.04 on an HP Mini 1000. Previously it had 11.04, and the Ethernet didn't ...
- 539
14
votes
3
answers
38k
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LAN not working on 17.04
Actually yesterday I've upgraded from Ubuntu 16.04 to 17.04 and I got a problem that, if connect LAN cable it does not showing anything and remains disconnected. But i can connect with WiFi. I don't ...
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14
votes
1
answer
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What is MTU on a network adapter and what problems can wrong MTU cause?
What is the MTU value on a network interface, and how does its value impact a network? How can I check what it is and change it? How can you tell what MTU a network operates on?
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14
votes
4
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OpenVPN: The VPN connection to ... because of invalid VPN secrets
I am 3 days into using Linux. I set up an OpenVPN connection following the instructions set out by: https://www.goldenfrog.com/support/vyprvpn/vpn-setup/linux/openvpn
OpenVPN installation went ...
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13
votes
2
answers
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Ubuntu ethernet became unmanaged after update
After one of Ubuntu updates I got my Ethernet connection unmanaged and not working when OS is loaded.
I tried different solutions, posted in internet:
No wired connection - Wired unmanaged ubuntu 18....
13
votes
2
answers
116k
views
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....
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12
votes
3
answers
31k
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RTL8111/8168B Rev 06 Ethernet controller not working with AMD64 Kernels > 2.6
I'm also having trouble with the RTL8111 Ethernet controller. It's not working at all on Ubuntu x64.
This is my card:
$ lspci -nnk | grep -i net -A2
05:00.0 Ethernet controller [0200]: Realtek ...
- 221
11
votes
3
answers
17k
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How to use Netplan to remove IPv6 address on a single interface
Running Ubuntu Server 19.04. Using SoftEther's Local Bridge feature. Their docs recommend disabling IP on the interface used for bridging.
Here's my Netplan configuration:
network:
version: 2
...
- 375
11
votes
2
answers
122k
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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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11
votes
2
answers
8k
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Sharing connection in Ubuntu 17.10
Initial situation, context
For a number of Ubuntu releases, connection sharing was made easy.
With Ubuntu 16.04, my wi-fi connected laptop can easily share its connection to a local LAN (with a ...
- 2,069
11
votes
4
answers
31k
views
Wired network settings missing in Ubuntu Desktop 20.10
This seems to be a longstanding bug that has appeared in many releases.
A fresh install of Ubuntu Desktop 20.10 does not show the Wired Network Settings.
I only have Wireless internet access. Turning ...
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11
votes
2
answers
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views
50-cloud-init.yaml, optional: true - will the network interface get initialized if it gets online after the boot sequence?
Good evening
Unfortunately, the Man Page: https://netplan.io/reference
is not precise in the description for the optional (bool) property.
If one interface has this setting:
ethernets:
eth0:
...
- 274
11
votes
6
answers
41k
views
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 ...
- 117
11
votes
2
answers
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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 ...
- 111
10
votes
3
answers
25k
views
How to share wired network connection in 18.04
I had been sharing my network connection through my computer (previously windows 10) with two other computers using usb-ethernet adaptors, and I can't get it to work now that my host computer is ...
- 138
10
votes
5
answers
57k
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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 ...
- 101
10
votes
1
answer
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Ubuntu 16.04 Realtek RTL8111/8168/8411 Ethernet driver is not maintaining a persistent connection
I am having a terrible week trying to resolve an issue with my ethernet connection. The ethernet works fine for 1 minute before I lose connection. The networks icon to the top constantly reads as ...
- 103
10
votes
7
answers
21k
views
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 ...
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9
votes
3
answers
25k
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Is there any way to install Atheros e2400 drivers?
I have a new motherboard: MSI Z170A GAMING M5. This motherboard has an Atheros killer e2400 Ethernet controller. When I do lspci -nn, I get:
03.00.0 Ethernet controller [0200]: Qualcomm Atheros ...
- 245
9
votes
5
answers
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How to get Wifi working on Ubuntu 14.04 (Macbook Pro Retina 15 inch - 2014)
I just downloaded Ubuntu 14.04 on my Macbook Pro Retina 15 inch 2014 version using usb. My problem is I can't get the Wifi working. No wifi connections would display on the wifi menu. I've tried ...
9
votes
7
answers
19k
views
Updated to 19.04 and NO ETHERNET now
I use static IP for my wired connection controlled via Network Manager.
ip link show enp4s0
2: enp4s0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc fq state DOWN mode DEFAULT group ...
9
votes
3
answers
14k
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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 ...
- 379
9
votes
2
answers
17k
views
Multiple IP addresses with bonded interfaces
I have a server with two ethernet ports and I have bonded them together with the following config in /etc/network/interfaces:
# The loopback network interface
auto lo
iface lo inet loopback
# The ...
- 191
9
votes
0
answers
1k
views
USB to Ethernet in Dell XPS 13 with Ubuntu 16.04 [closed]
I am running Ubuntu 16.04 on a Dell XPS 13. As the computer does not have an Ethernet port, I purchased a USB to Ethernet adapter (IcyBox IB-AC509).
It worked fine until recently, when I did an ...
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8
votes
6
answers
89k
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How to find name of currently-active network interface?
I need to get the name of the network interface (e.g. eth0, wlan0) that is the currently-active one, the one sending and receiving traffic at the moment. When it's connected to WiFi, it would be wlan0 ...
- 421
8
votes
2
answers
24k
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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 ...
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8
votes
3
answers
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Intel e1000e Ethernet not working
I have the problem that the ethernet device on the Intel NUC is not found. ifconfig -a only shows lo and wlan0 but not eth0.
sudo lshw -C net gives the following output:
*-network UNCLAIMED
...
8
votes
3
answers
108k
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Ethernet connection not working on Ubuntu 20.04
A few days ago my ethernet connection was not working on Ubuntu 20.04 on my computer. I was using two routers: the main one was / is in the living room and connected to the second router which was / ...
user1116431
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 ...
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