Ubuntu :: 9.04 - No Network Connection (Auto Eth0 Set To Never)

Dec 13, 2010

When I log onto my Ubuntu 9.04 boot I am disconnected from the internet, on my windows 7 boot It works just fine, I have attempted disabling networking, power cycling the modem and router, and re-enabling networking, no dice though. hovering over the connection icon tells me that there is no network connection.

Opening the edit connections window tells me that there a wired connection called Auto eth0 that is set to never, and that is all that I can find. I hunted for other forums on this and found a few but none with a successful resolution.

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Ubuntu Networking :: Auto Eth0 - Network - Won't Connect ?

May 2, 2010

Upgraded To Ubuntu 10.04 The Other Day. And when I first installed it everything worked great except for my sound card which I fixed. But there was no problem with connecting to my Router via an Ethernet cable. Then I updated the video card drivers, restarted my PC and it wouldn't connect. It would try over around 1-2 mins then tell me its disconnected. No green light activity on the router / network card either.

I've reinstalled fresh copies of Ubuntu a couple of times now, Hoping to get the default settings back. But nothing has worked since.

I looked around the net and found quite a few people had this problem on previous versions of Ubuntu but it would seem most of there fixes were for there Version, so it hasn't helped me.

Heres some info:

ifconfig:

I've tried all the various things from dhclient to ifup/ifdown etc etc.

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Ubuntu Networking :: Auto Eth0 Connected But No Network

Jul 21, 2011

I am using BSNL broadband ISP and I am able to get network on windows os but not on my ubuntu.( I have a dual boot). I see Auto eth0 connected from the notification but when i am pinging [URL]... it says unknown host.

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OpenSUSE Network :: Set Auto Eth0 IP Address?

Apr 13, 2011

I want to set my desktop IP address to always be 192.168.1.2. The NetworkManager connects to the network automatically and the IP address is assigned randomly. I can set up another connection in NetworkManager and always change over. But is there any way to make the default eth0 interface to be permanently set to a certain address (using NetworkManager, not ifup)?

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Ubuntu Networking :: Network-Manager Reverts Back To Auto Eth0

May 3, 2010

I'm running Kubuntu 10.4. My problem is that Network Manager keeps defaulting back to Auto eth0. I have created a new wired connection and set my manual addresses. I have ticked the 'connect automatically' button. Every time I reboot or wake up it reverts back to Auto eth0.I did have wicd installed but this was not reconnecting after wake up (said it was connected but I couldn't ping etc), this is a pain also.

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Ubuntu :: Network Manager In Lubuntu - Cannot Get Auto Eth0 To Connect To Send Out As A Share

Aug 19, 2010

If I made a distro from scratch it would have been Lubuntu, cept I'm sure my theming would have been horrible. Now Ive installed on a couple of my Laptops, and even had a few friends convert, and for the most part everything is hunkus doris, cept one small issue thats keeping me from slapping it on my trusty laptop. I'm lost as to what the problem could be. Ive tried just about all I can think of, but I use sprint mobile broadband to connect to the net and then use Network Manager to share this connection with the laptops and Palmtops around the house. I can get my sprint modem to connect thats not a big problem the problem is now I cannot get the Auto Eth0 to connect to send out as a share. It just refuses to connect. Now this is not a Lubuntu problem at all Im sure its somehow a Lxde problem, as Mint Lxde, PeppermintOS, and so on do the same thing, refusing to connect Auto Eth0 while Sprint is connected. Any Gnome based distro this works flawless, as does Xfce distros, so Im sure this is somehow something within Lxde. Im sure its down to just "missing" a file or some stupid overlooked thing.

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Ubuntu Networking :: Messed Up /etc/network/interfaces - Original Auto Eth0 Setup Is Missing

May 24, 2010

I'm trying to setup my interfaces along side GNS3 for study purposes, and came across a ..... vid saying to try this (my current config)

[Code]....

I'm praying for some crappy syntax error, also in Network Connections... its now blank, the original auto eth0 setup is missing

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Ubuntu Networking :: Eth0 Is Not Showing In Network Connection?

Sep 25, 2010

I have recently upgraded the ubuntu desktop edition from 8.04 to 10.04. after upgrading i cannot show my eth0 nic interface in the System > Preferences > Network connections----- wired tab. and i also not getting network indication in the top of the panel beside the date time indication. but i can access network and using internet with that lan card. i cant understad my eth0 is connected or unpluged..

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OpenSUSE Network :: Using 11.3 Gnome And Cannot Fix The Eth0 Connection

Apr 23, 2011

I'm using 11.3 gnome and cannot fix the eth0 connection. Tried to make it work with connection manager, ifup but both of them did'n make eth0 work. Here are some logs that you might wanna see:

lsmod:
Module Size Used by nls_utf8 1165 1 st - Pastebin.com
ifconfig:
eth0 Link encap:Ethernet HWaddr 1C:6F:65:47:03:16 UP BROADCAS - Pastebin.com
ifdown eth0:

[Code]....

I have TP-LINK router that sends wireless signal through the house which I'm using on my laptop's Ubuntu to connect on the internet, also I can connect with Ubuntu from laptop via the same cable that I'm trying to use on my desktop, so the router and cable are working. Also on my dekstop I've installed Windows 7 and can't connect from there either. The computer is new so i doubt that there is something wrong with its hardware. It all started when my connection disappeared. My ISP advised me to reset my router by plugging out the power cable and plugging it back in after 5min, and so I did. After that I could connect only from laptop. Tried to reinstall suse, to install ubuntu, but nothing worked. When I installed suse on my friend's computer, the only thing that I had to do is to open YaST and change the Network setup method from ifup to the NetworkManager, and also insert the MAC adress in the connection's properties. Tried that on my computer, but also didn't work.

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Ubuntu Servers :: Eth0 Disappeared / No Network Connection - Resolve That?

Aug 8, 2010

After rebooting, I found that the server couldn't see the network. The machine has dual gigabit ethernet (eth0 and eth1). eth0 is connected to the internet, but disappeared. ifconfig used to show eth0, eth1, and lo, but now only shows eth1 and lo. If I boot into rescue mode I can get internet and ifconfig returns eth0 and lo. Any ideas on how to fix this?
I apologize in advance if I ask any noob questions. I'm not a very experienced Linux user.

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Ubuntu Networking :: Sharing Internet/LAN Eth0 Connection Via Wi-fi Ad-hoc Network

Dec 1, 2010

I've got access to my LAN and the Internet via my wired ethernet connection. I'd like to share that access with my iPod Touch (device shouldn't really matter) via an Ad-hoc wi-fi network.

This tutorial in the docs seems to describe the right setup but is very out of date (7.04). Instead I found this tutorial and followed it to create the Ad-hoc wireless network. I was able to connect my touch to the resulting ad-hoc network without a problem, but I didn't have LAN/Internet access.What's the next step to get the clients on the ad-hoc network out to the Internet?I found this page in the docs that says I'd need to install dnsmasq-base and uninstalling dnsmasq. I checked and dnsmasq-base is already installed but dnsmasq is not. I do have dnsmasq in /usr/sbin but the package description makes it sound like this should come with dnsmasq. Is the page out of date? Will uninstalling dnsmasq cause other problems?

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Ubuntu Networking :: Connection To Network - Terminal: Ifup Eth0 Don't Fix Until Next Reboot

Mar 3, 2010

I have my ubuntu box hard wired into my network. It all works fine, until I reboot my ubuntu box. After reboot, it can no longer see the network. I have it set up with a static ip. Not sure that I set it up completely correctly but it works fine...when working.. To fix the problem, I enter terminal: ifup eth0 That fixes all know problems until next reboot. What do I need to do so that it will remember settings and automatically be hooked into the network at power up?

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Ubuntu Networking :: Check The Network Connection Applet, It Display Active Information Of Eth0?

Jun 7, 2010

I have a question regarding the configuration of Network Connection. My wired connection is fine right now and when I check the network connection applet, it display active information of eth0. However, when I click the Configure button, the Network Connection window appears but there's nothing in the Wired panel. Should there be a eth0 in that panel? I remember I had one before, but after I messed with some configuration of VPN, my network became unstable and I remove the Network Manager to try to solve the problem. Since then, there's nothing in my Network Connection window, though I can still connect to my router with eth0. Now even after I reinstalled the Network Manager, I still don't get anything.

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OpenSUSE Network :: Eth1 Stops Accepting Connections Whenever There Is No SSH Connection Present On Eth0

Oct 2, 2010

I recently setup a new SUSE box for the purposes of acting as an ftp/sftp server. It's currently setup to run ProFTPD 1.3.3.rc3 and mod_sftp/0.9.7. The server has two internal network interfaces eth0 and eth1. eth0 is purely for internal use to accept ftp and ssh. eth1 is outward facing and receives connections from the WAN via SFTP over port 22. The problem I am facing is that after half hour to an hour eth1 stops accepting connections whenever there is no SSH connection present on eth0. I can't figure out why this is happening.

ProFTPD is setup as follows: SocketBindTight directive is on, default server and port are commented out.

[code]...

When the external interface is unreachable the proftpd and proftpd-sftp logs show no record of any connection attempt. I have noticed however if I leave eth0 down eth1 stays contactable without problem. Can anyone give me some pointers on what I can check to find out why this may be happening.

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General :: Stop And Restart Ethernet Connection Ubuntu 9.10 - Ignoring Unknown Interface Eth0=eth0

Mar 8, 2010

If I uncheck and recheck "Enable Networking" in the Network Manager Applet 0.7.996 I would expect the wired network to disconnect (which it does) and reconnect (which it does NOT). So I tried sudo ifdown eth0 and got

Quote:

Ignoring unknown interface eth0=eth0.

ifconfig tells me

Quote:

eth0 Link encap:Ethernet HWaddr 00:25:64:e8:18:2c
inet addr:192.168.0.112 Bcast:192.168.0.255 Mask:255.255.255.0
inet6 addr: fe80::225:64ff:fee8:182c/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1

[code]....

so I am at a loss. How do I stop and restart the network interface short of rebooting the machine?

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Ubuntu :: What Is The Difference Between "auto Eth0" And "Wired Connection 1"

Aug 5, 2011

Using Lucid.

Both "auto eth0" and "Wired connection 1" appear in my network app. See screenshot. I only have one Ethernet card.

is the latter just a rename of the former? I thought so, but the "Wired connection 1" seems to be more reliable than "auto eth0"

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Ubuntu :: How To Add Auto CDMA Connection In Network Manager Of Ubuntu 10.04

Jun 12, 2010

I m using Ubuntu since 8.10 Then i switched to 9.04. When i tried 9.10 I was not able to connect with my Huawei EC325 modem which was available as an auto CDMA connection in the nepwork manager applet.I posted this in ubuntu forums. This could not get my Huawei USB dongle get connected. So I reverted back to 9.04 from 9.10. recently i tried Lucid. i was dissapointed with it. It seems Auto Cdma connection option under mobile broadband connection is been removed from 9.10. Jaunty updates will be available untill October 2010. So after that for a USB mobile user like me It will be difficult for me to get my 9.04 updated. Ubuntu 9.04 will be outdated. cannot you suggest some methods to solve the problem or shall i stick to jaunty jacklope.

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Ubuntu Networking :: Auto Eth0 Not Connecting 10.04?

May 2, 2011

I can't figure out why my ethernet isn't recognizing its connection. ifconfig returns the hardware address, route -n returns an empty table

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Ubuntu Networking :: No Auto Eth0 On One Lucid Box?

Jul 30, 2011

so I now have 4 Ubuntu Lucid LTS installations - terrific - but the alternative Ubuntu boot on this particular PC (all made from the same Live CD) does not have any eth0 configured, so I cannot reach even my router. I can look at the eth0 properties with "Network tools" and it has no IP or MAC. I have the network notification gremlin installed but it does not appear on the top panel. {"eth0" hardware works under Win XP, hence this post}.

I'm a novice at Ubuntu, and I am at a loss. I realise that networking is supposed to be automatic, no 'tool' should be needed, but what can I do when it has not configured?

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Ubuntu Networking :: Easytether + Auto Eth0 Not Working?

Oct 24, 2010

I'm using Easytether through my HTC Droid for interwebs running Ubuntu 10.04. However I also have a home network. However when I hardwire into the network via a D-Link router (Auto eth0) my internet no longer works. The same is true when I plug in my iPod. The Droid loses it's connection. What is the problem?

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Networking :: Auto Start Eth0 In Fedora 14?

Jan 6, 2011

my eth0 connection is not automatically connected when fedora starts. I checked " activate device when windows starts" in network configuration. still it is not auto connecting and after connection the network icon is not changing to connected status although it is connected.

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Ubuntu :: Setup Citrix ICA Client 9 On 9.04 Server - Error In Network Connection Network Or Dialup Connection May Be Preventing

May 14, 2010

I am trying to Setup citrix ICA client 9 on Ubuntu 9.04 Server. I installed it very easily and I am not getting any lib error also. But when I try to connect to the citrix server, it fails with a pop up saying "Error in Network Connection Network or Dialup connection may be preventing ......" This is driving me crazy from 3 days. My project is to check the feasiblity of a Linux desktop

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Ubuntu Servers :: 10.10 - Setup Eth0 With Subdevice Eth0.0 And Eth0.99 To Come Up At Boot

Apr 22, 2011

im trying to setup eth0 with subdevice eth0.0 and eth0.99 to come up at boot

eth0 is dhcp clint
eth0:0 is static ip
eth0.99 is 802.1q vlan interface
/etc/network/interfaces
Code:
auto lo
[Code]....

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OpenSUSE Network :: Lost Wired Network Interface Eth0

Feb 14, 2010

Last night while setting up wired & wireless connection in openSuse 11.2 Gnome version via YAST's ifup, I got wireless but lost wired connection (interface eth0). Dmesg shows that eth0 became eth1. I cannot get eth0 back. Is there any way to remedy this situation, eg. get info from the Ubuntu partition in my triple-boot laptop, without having to re-install openSUSE?

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OpenSUSE Network :: Network Bridge Betw/ Eth0 And Wlan0?

Dec 24, 2010

I'm new to this forum site and I was wondering how can I bridge a network between the eth0 and wlan0 connections?my eth0 NIC is a RealTek RTL8111B 10/100/1000 Ethernet Card (OnBoard) and my wlan0 NIC is a RealTek RTL8187B 802.11b/g WiFi USB Adapter Card.Are there any utilities, such as bridge-utils that I can use, except for Firestarter since Firestarter states that the eth0 connection is not established, or do I right-click on the network icon and select Edit Connections and go to Auto eth0 and under the IPv4 Address setting and select Shared to other computers and run a live connection there?The main reason is that I need an Internet connection for my Xbox 360, which is connected to my Linksys WRT54G 802.11b/g Wireless Router, that has DD-WRT firmware installed and 4 WiFi hotspots for any wireless device, such as my PSP, DS, DS Lite, Wii, Laptop(s), my brother's PC (needs a WiFi card), and my dad's PC (needs either a WiFi card or an Internet connection from my brother's computer to my dad's PC)

Here are my Computer Specs:
ECS nForce6m-a Motherboard
2GB DDR-800 PC6400 Memory

[code]....

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Apr 3, 2011

I'm running 10.04 and my eth0 connection disappeared. If I go into my network tools, I can see the IPv4 connection and test the ping and all. When I go to my network connections, I do not see the eth0 at all. I have not made any serious changes lately and have no clue to what could have caused this. I have tested the cable with my laptop, and it works fine. I have serious reddit browsing that needs to be done!

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Ubuntu Networking :: Nm-connection-editor Eth0 Not Managed

Aug 25, 2010

I'm getting rather fed up with this Network Manager applet on Ubuntu and its seemingly erratic behavior.I often use my laptop for things like dhcp server to do pxe boot on other machines for netboot installs and other stuff. Often I have to set static address on eth0 etc.I know how to set a static address for eth0 by editing /etc/network/interfaces and all that good stuff, but when I click on the Network Manager applet, it says 'Wired Network - not managed'.I may have deleted it for some reason, but why does it no longer appear, even though eth0 is working?I've also found in the past that changes to interfaces in the Network Manager, such as giving eth0 a static address, do not seem to stick?

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Ubuntu Networking :: Disable 'internet' Connection On Eth0

Oct 15, 2010

I have two connections for my PC, my Ethernet which is on the corporate network and my smart phone on 'usb0'. Both have full internet access.I want to stop my PC from connecting to the internet over the Eth0 while still connecting to internal servers then just have internet over usb0.If I go to the settings of 'Auth Ethernet' in the tray area, under IPv4 there is the routings section - I've tried enabling "use this connection only for resources on its network" but it doesnt work.

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Ubuntu Networking :: Nm-connection-editor Eth0 Not Managed?

Apr 23, 2011

I'm getting rather fed up with this Network Manager applet on Ubuntu and its seemingly erratic behaviour. I often use my laptop for things like dhcp server to do pxe boot on other machines for netboot installs and other stuff. Often I have to set static address on eth0 etc. I know how to set a static address for eth0 by editing /etc/network/interfaces and all that good stuff, but when I click on the Network Manager applet, it says 'Wired Network - not managed'. I may have deleted it for some reason, but why does it no longer appear, even though eth0 is working? I've also found in the past that changes to interfaces in the Network Manager, such as giving eth0 a static address, do not seem to stick? It seems the only thing this applet is useful for is connecting to a wireless network.....and only with dhcp !!

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Jul 23, 2011

just wondering if I could get a hand with bridging my eth0 and wlan0 connection. I'm using Ubuntu 11.04 if that helps at all.

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