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Questions tagged [wired]

Questions about configuring or using wired connections in Ubuntu.

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Wired connection IP configuration not available

I am using Kubuntu 16.04. Up until today, my wired internet connection worked fine. My wireless internet connection still does. After performing the following updates: Start-Date: 2018-08-04 15:29:...
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1answer
79 views

Cannot receive DHCP OFFER on ethernet

I'm using Ubuntu 18.04. I have exactly the same issue as this thread, my laptop's ethernet/wired cannot receive DHCP offer. I can verify it's not network/server issue, as it works in live cd. Other ...
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33 views

Can't connect to Wired Network on Ubuntu 18.04

I am not able to connect to wired connection in my Ubuntu 18.04 Here's my output of ifconfig -a lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536 inet 127.0.0.1 netmask 255.0.0.0 inet6 ::1 ...
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30 views

ubuntu 16.04 set proxy for wired connection only

I would like to configure my job's laptop to use a proxy only for a wired connection, while not using the proxy for the wireless connection. All I've achieved is setting the wired connection 'only for ...
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17 views

“Wired Connection” option is not availabe in settings->network and “MODSIGN: couldn't get UEFI db list ” is showing on boot, what is solution

Settings for eth0: Supported ports: [ TP MII ] Supported link modes: 10baseT/Half 10baseT/Full 100baseT/Half 100baseT/Full 1000baseT/Half 1000baseT/...
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1answer
142 views

Ubuntu 18.04: Wired connection stops working within 10 minutes after boot

The wired connection stops working within 10 minutes after boot. I'm using MikroTik router, DHCP lease time is set to 10 minutes. It works again when i turn off/on my network in the menu (18:10:35 in ...
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1answer
261 views

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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14 views

Wired connection connected but internet not working in Ubuntu 16.04 LTS

The system is in dual boot, wherein Windows 10 same LAN is working. Previously it was working in Ubuntu, however suddenly stopped in Ubuntu 16.04. Only Wi-Fi is working in Ubuntu 16.04. Laptop: ...
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1answer
1k views

No wired connection - Wired unmanaged ubuntu 18.04

I recently upgraded to ubuntu 18.04 but I'm facing issues with the wired connection. First off, I must say that the wifi connection is working fine. When I start my computed I don't even get the ...
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3k views

ubuntu 18.04, activation of network connection failed

Had 16.04 version earlier and some update corrupted my network configuration. Screwed up trying to repair it as suggested in stackexchange and ended up deleting the manager. Had to freshly install 18....
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35 views

wireless and wired network can not working

system information below dev@dev-ubuntu:~$ sudo lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 16.04.1 LTS Release: 16.04 Codename: xenial ...
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68 views

Wired connection does not work

I hope someone can help with this. I installed Kubuntu 18.04 on two computers. One is a Dell xpx model 8930 and everything is perfect. The other however has a problem. It is an HP 550-127c with a ...
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190 views

Unable to create a Wired Connection in Ubuntu 18.04 graphically

I installed Ubuntu 18.04 along with Windows 10. In Windows, I can use the broadband connection right away without while the Ethernet RJ45 LAN Jack. But in Ubuntu, I am unable to find suitable options ...
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209 views

Ethernet connection not working although Wifi is working

I have installed Ubuntu 18.04 as a second OS on a Windows PC. The wired Ethernet connection is not working in Ubuntu, but working on Windows on the same PC. Please suggest.
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20 views

Internet not working in Ubuntu VM with wired connection [duplicate]

When I go to All Settings > Network > Options, I get did not find a connection with UUID '(null)'
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21 views

Lost both wired and wifi in Ubuntu and Fedora

I have been using both Ubuntu and Fedora for the last six months without any issues. After coming from work today, I see there is no internet connection, wired or wifi both in Fedora and Ubuntu, but ...
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210 views

Ipv6 but no Ipv4 via wired connection on Ubuntu 16.04

I am unable to access the internet via my wired connection. Wlan is working fine. While on Wlan I am able to get an IP address automatically via DHCP and connect to the Internet. When I attempt to ...
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30 views

Suddenly no internet

After a recent update to Ubuntu 16, after rebooting will not connect to internet, although seems to be connected and does not complain, except journalctl shows "NM_IS_DEVICES failed". ifconfig looks ...
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0answers
343 views

disabled by hub (EMI?), re-enabling… chinese mouse

I am new with linux and I bought this Chinese mouse and keyboard for gaming but also to work on my web pages and normal use. The keyboard works fine but the mouse do not. Sometimes work some seconds ...
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396 views

Ubuntu 17.10 slow LAN copy speed

Following an upgrade from 17.04 --> 17.10 my network copy speed for a file from 1 Ubuntu machine to another has slowed to 10% of what it was before the upgrade. A 1 gB file now takes over an hour to ...
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1answer
197 views

Wired ethernet either not detected or unmanaged

This is a really weird situation - I think for some reason the ethernet connection name changed from eth0 to eno1 when I updated ubuntu. I added those changes to the etc/nework file and changed ...
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93 views

Cannot Connect to Wired Connection

I am using Ubuntu 16.04 and though my wired connection is shown connected but it is not working, i.e, not being connected to internet. I am University student using Wired Connection. So whenever I ...
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30 views

Today I can't access the Internet

yesterday I had no problems, but today my internet connection doesn't work (both wireless and wired). I have no clue what the problem is, any suggestions?
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1answer
685 views

Fresh Ubuntu 16.04 Install no internet (wireless nor wired)

I had Ubuntu 16.04 LTS single boot installed on my system for a couple months but yesterday for seemingly no reason (no updates or upgrades were performed) I lost internet connections. More ...
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366 views

Wired 802.1x EAP-TLS using p12 certificate

I am trying to set my laptop as a supplicant using p12 certificate issued by RADIUS server, username and password. With all this setup I have to have static IP address on my machine. However, when I ...
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121 views

WiFi not working after trying to set up vpn

I tried to set up a vpn in Ubuntu 17.10 but it didn't work, so checking some forumns some suggested to install network manager vpnc, I did it an after that I lost WiFi connection, it is connected but ...
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59 views

Wired network drops on Ubuntu VMs

I've recently set up a new Linux machine with lots of Linux virtual machines on it. For some reason I'm seeing the manually assigned (non-DHCP) network connections dropping frequently on these VMs, ...
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32 views

How do I convince Ubuntu to connect to a limited network?

I'm trying to create a LAN network not connected to the internet, where 6 computers can talk to each other through a switch, but none can talk to the internet. (If I connected it to the internet a ...
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553 views

Connecting to wifi printer using Ubuntu 17.10

Printer is an Epson WF-3640. I have just installed 17.10 and have had no trouble getting everything to work, except the printer. The printer is connected via a wifi network and the PC with 17.10 ...
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138 views

wifi and wired connections do not work in dual boot ubuntu 16.04

I've been having this problem for a little while now, which sort of gradually built up with no indication that I know of as to why. I first noticed that the wifi would randomly drop, and I'd have to ...
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47 views

802.1x. Different options from WIFI to Wired

this is the problem I have seen between these connections and their configuration options: When we configure 802.1x with EAP protected (PEAP) in a wired interface we have this: 802.1x Wired But when ...
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1answer
407 views

Not able to connect to internet using Wired Connection 1 in ubuntu 17.10

I'm using a dual boot with Windows laptop. Few days back I was working on windows and had to leave my home for few hours. When I came back, found the laptop was drained out. I plugged in the laptop ...
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406 views

Ubuntu 17.10 can't make wired connection work

In ubuntu 17.10 my wired connection isn't working but wifi is working fine. I'm using a Lenovo ideapad 320. Ethernet cable is ok. I also tried 16.04.3 LTS and 16.10 but I had the same problem when I ...
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54 views

Error with auto creation of Ethernet or wireless connection when setting up DNS

I am using ubuntu 16.04 LTS and also using a dlink usb datacard dwr 910 to access the internet, which is working fine. When I plug the datacard into the USB port, it creates an ethernet connection ...
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1answer
61 views

Wired network cannot resolve hostnames(can ping by ip), however wireless works fine [closed]

The problem is pretty much in the title, I am on Ubuntu 17.10, any ideas on what the cause could be?
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1answer
207 views

Connected to a wired network, but internet doesn't work Ubuntu 17.04

Wired network shows connected, but internet doesn't work. sudo lshw -C network shows following in terminal : description: Ethernet interface product: RTL8101/2/6E PCI Express Fast/Gigabit ...
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2answers
588 views

What is FirewallD?

I'm trying to activate the firewall on my wired internet connection, but it says FirewallD is not running. Is that something I can turn on through ufw? I'm running Ubuntu 16.04 LTS.
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53 views

wired network problem

I use 16.04, and LAN connection, initially LAN was working fine, but since last month it is not connecting automatically.what should I do ?
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1k views

.local domain incompatible with Avahi network

everyone! Now, I've never had this problem before, so I ask you to please help me. After normally turning on my PC, I get welcomed with a message Your current network has a .local domain, which is ...
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1answer
6k views

Ethernet not detected in Ubuntu 16.04 LTS

I am a new to Linux. I cannot get a LAN connection in Ubuntu 16.04 LTS. It used to work in Windows 7. Here is the result from if config -a enp0s25 Link encap:Ethernet HWaddr f0:de:f1:2c:0c:ce ...
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1answer
98 views

How to connect simultaneously to a wired internet and wired LAN network?

I am trying to set up my own personal "beowulf" cluster at home, and have 5 PCs running Ubuntu 14.04 that I would like to connect to eachother through a LAN and to the internet. These are old PCs ...
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117 views

Wired connection doesn't connect after suspending PC and starting it back in Ubuntu 16.04

Wired connection doesn't connect after suspending PC and starting it back. The system is Ubuntu 16.04 LTS. Output of lspci command: 00:00.0 Host bridge: Intel Corporation Device 590f (rev 05) 00:...
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1answer
111 views

unable to connect wired and wireless

I'm able to connect through a tethered connection but not through Ethernet or a external wireless adapter. The network shows up on the network panel however get disconnected. things already done : ...
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1answer
211 views

Use login user credentials for wired 802.1X authentication

I really need help on this one. I've lurked through all over Internet looking for a way to get multiple users, login with their own credentials,for a 802.1X authentication before login into the system....
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0answers
82 views

No wired or wireless internet on Ubuntu Gnome 17.04 [duplicate]

The problem No wired (USB tethering) or wireless (mobile hotspot) internet working on fresh Ubuntu Gnome 17.04 installation or Live USB. (I also tried out Kubuntu 17.04) What have I tried? I've ...
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1answer
131 views

Very slow (stucked) wired connection

I have both wired and wireless connection on my laptop. Wired is connected with static IP, while wireless is via dhcp to the same network. While I can ping, I cannot navigate wired. This is not a ...
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1answer
806 views

IEEE8021X wpa_supplicant WIRED interface 16.10

I am attempting to come up with automated standards for our department linux machines to connect to our Cisco ISE (802.1X) network. In the past I have simply added lines such as the following to the ...
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0answers
4k views

Issues with up & ifdown ifup: couldn't read interfaces file “/etc/network/interfaces”

After removing the network-manager package & removing resolvconf application so I could manage my /etc/network/interfaces with ifup & ifdown along with manually manage my /etc/resolv.conf file ...
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0answers
64 views

Cant get Ethernet to connect on Server

I'm on a server running Ubuntu Server 17.04. I have a Intel® DBS1200SPL Micro ATX Server Board w/ Intel® C236 Chipset motherboard. I cannot connect to the internet or open the /etc/network/interfaces. ...
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1answer
7k views

Wired network - device not managed after upgrade to 17.04 [duplicate]

After upgrade to 17.04 I can't connect to a wired ethernet via network manager. The indicator-network says: Ethernet Network - device not managed. System Settings > Network > Wired says: Wired ...