Ubuntu Networking :: Auto Eht0 Doesn't Work - Can't Connect With Ethernet Cable?

Nov 13, 2010

I've recently bought a recycled computer for my office. The plan was to get an old cheap computer and use it to write LaTex documents but nothing else. However, I can't seem to get the thing to connect to the internet. I'm on a University network which has a funny setup but I don't think that's the problem.So here's the deal. I have tried this with 9.04, 10.04 and 10.10 and it hasn't worked. The computer recognizes the ethernet cable. If I issue the command "sudo mii-tool eth0" and get back "eth0: negotiated 100baseTx-FD, link ok". However, click on the networking logo on the top right, and click auto eth0, it tries to connect for about 30 seconds, then gives up. Unfortunately I'm pretty clueless when it comes to networking so I have no idea what to do to try to fix this.

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Networking :: Ethernet Auto-connect / Auto-sense Doesn't Work

Feb 3, 2011

I have noticed that a common issue to several distros is the fact that the networking subsystem doesn't automatically detect the link if an ethernet connection is disconnected and then re-connected to the NIC after boot. If the ethernet cable is connected after the system is up and running, nothing happens - ethtool eth0 shows link detected: no, and you have to restart the network service to let the NIC know that there is in fact a link, and actually connect. I have a Fedora14 (KDE) box with a brand new Asus motherboard with embedded NIC. Everything works great except the auto-detect of a freshly connected ethernet connection if the link is down to begin with.

Am I missing a ethernet link sentinel utility or something, or is this just the way linux works? I have done plenty of research on plenty of posts, and it seems this is a common problem, with no solution other than manually or programatically restarting the network service in a script to detect the link after a disconnect.

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Ubuntu Networking :: 10.4 - Connect To The Internet Via An Ethernet Cable

Jul 13, 2011

I am using Ubuntu Server version 10.4, and am trying to connect to the internet via an ethernet cable. This may and probably is incredibly simple, however, I could not find anything that pertains to it.

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Fedora Networking :: WiFi Auto Connect Doesn't Work (NetworkManager Applet)

Mar 3, 2010

The auto connect feature of NetworkManager Applet (version 0.7.997) isn't working on my system. If the WiFi connection dies, Network Manager doesn't detect that the connection has been lost and try to reestablish the connection. I have to manually click on the WiFi hotspot to reestablish the connection. This appears to be the case both while the computer is running and when I first boot it up (i.e. when booting, if the first attempt at establishing a WiFi connection doesn't succeed, Network Manager doesn't retry or try another hotspot).Is this "normal" behavior for Network Manager? If not, does anyone know a fix? Here's some more info about my system:

Computer: Dell Inspiron 1318 laptop
WiFi Chip: Broadcomm BCM4238
Kernel Version: 2.6.31.12-174.2.22.fc12.x86_64

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Ubuntu Networking :: Ethernet Cable Modem Can't Connect To Internet

May 4, 2011

I am using a cable modem wired to my PC via ethernet. My ISP is Road Runner, through Time Warner Cable.

I entered my IP address, Netmask, and DNS Servers into the network, not using DHCP. This was how I was able to achieve a network connection.

I am connected to the modem, but I cannot get internet.

Here are my stats:

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Networking :: Ethernet Cable And Wireless Network Won't Work In Ubuntu 9.10 / Sort It?

Feb 20, 2010

I'm a new user of Ubuntu, so i'm not that familiar with this OS. My wireless network is detected but when I'm entering my 128 bits WEP key, it doesn't connect at all. I have no clue where to start troubleshooting.

Here's some of my specs if that's of any help:
Computer is a Sony Vaio laptop model VGN-SZ370P
My wireless card is from Intel Corporation 82801G (ICH7 Family) USB UHCI Controller

The ethernet cable connection used to work before, but I fooled around with some commands and now seems to be disabled...

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CentOS 5 Hardware :: Connect Pc To Pc With Ethernet Cable?

Jan 6, 2011

i have two PC (one laptop and other desktop) how to connect both with lan cable?

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Networking :: Network Doesn't Work If Cable Is Plugged In At Boot (Debian Lenny)?

Jan 19, 2010

For about the past month I have been having a very frustrating problem When I boot the system with the ethernet cable attached it acts as if the cable is unplugged even though the connection light is litWhen I boot the system with the ethernet cable disconnected and wait until it boots all the way to gnome and then plug in the cable everything works fine

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Ubuntu Networking :: Windows Doesn't Connect To The Ethernet Either

Aug 8, 2010

I wanted to test 10.04 and downloaded Wubi to do so. Normal setup, it automatically picked the 64-bit version. After booting into Wubi, installing my ATI drivers and restarting it did no longer connect to my ethernet. A few reboots didn't help so I went back to Windows for troubleshooting.

However now Windows doesn't connect to the ethernet either. It's plain dead, Windows doesn't find any connections and the modem doesn't light the Ethernet cable LED. The modem itself works fine with wireless devices. I have now tried everything including uninstalling Ubuntu, system restore, driver rollback, driver update, BIOS default settings, a different cable, a different modem etc.

This is a 64-bit specific issue because I tested the 32-bit version of Wubi 10.04 a few months ago without problems.

Windows 7 x64
Wubi 10.04 x64
Gigabyte P55-UD3 with onboard Realtek RTL8111D LAN.

I'd like to get out of this without Ubuntu effectively having broken my hardware and my trust in it.

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Ubuntu :: When Ethernet Cable Is Plugged In / It Doesnt Work

Jan 27, 2011

When the ethernet cable is plugged in, it doesnt work. I have to unplug the cable, refresh the page and let it wait for the connection, after a second or two, i plug it back in, and it works. this works only for that page, which means only that page loads.. if i try to open another site or smthing else, it doesnt work and i have to repeat the exercise for the new site..i have to unplug, refresh and let it wait for connection and plug it back in.. The same thing happens if i try to download an application.. i have to first issue the command to download, and when it says "connecting to blah blah.." i plug the cable back in and it starts downloading, it doesnt work if the cable is already plugged it..!

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Ubuntu Networking :: Network Doesn't Auto-connect At Startup

Jan 5, 2010

I have a Broadcom 4312 wireless chip. I have use the STA drivers that Ubuntu recommends. I can connect quite easily just by clicking on the icon, so this is more than a niggle than a problem.

My network isn't protected as we live in the middle of nowhere (quite literally) and network theft isn't a problem. We also run a self-catering cottage, and let guests have free access to our network anyway, so it is easier for guests to access our network without me having to give them all the key. When I did use wpa, it would start itself up with the laptop, so I kind of know that this might be the cause. Is there any way I can fix it without encrypting the network?

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OpenSUSE Network :: Able To Connect To Networks (both With An Ethernet Cable And Wireless) Don't Have Internet Access?

Mar 2, 2011

Just today I installed opensuse 11.3 on my Compaq CQ61. Even though I am able to connect to networks (both with an ethernet cable and wireless) I don't have internet access. I have used opensuse for a very brief period in the past and I had no such problem.

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Ubuntu Networking :: Doesn't The Wired Ethernet Connection Work

Jul 25, 2011

I have installed Ubuntu 11.04 using Wubi through Windows 7. It seems to be working but it will not connect to my wired internet connection. It tells me there is no wired connection, when there is. I used sysinfo and its not showing any network adapter or controller. I have a board with nvidia nforce go 430, could it be a driver issue. It works fine in windows though. Tried using a wireless adapter and all is working. But why doesn't the wired ethernet connection work.

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Ubuntu / Apple :: EMac And IMac File Sharing With Ethernet Cable And Other Cable?

Oct 12, 2010

how I could file share, or make the whole Hard Drive (HDD) accessible to another computer. The two other computers I have are a Toshiba Laptop with Ethernet and USB, and a iMac Intel with Firewire, USB, and Ethernet. Putting these to use along with:

Three Ethernet Cables
Two Printer Peripheral USB Cables
The Two Computers
A 2GB Flash Drive

That is all I can think of right now. I do not want to use CDs. In a way, I would like to do a network boot. So, how do I get the whole HDD visible to the others computers (either/both) and be able to write to it? I want to put Xubuntu on it, and earse the rest of the Hard Drive. The computers getting this are the iMac G3s and the eMac G4. The eMac has 256MB RAM, 40GB HDD, and a 700MHz processor. Two iMacs have 128MB RAM, 40GB HDD, and a 600MHz Processor. The other iMac is the same as the rest but has a 500MHz processor.

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Networking :: Auto Auth Connection Doesn't Work?

Jul 29, 2011

i have wired connection(auto auth) , it was working till yesterday , but now its not working simplicity its not receiving to enter my name and password , its mikrotick hotspot .

ubuntu 11.04

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Ubuntu Networking :: No Connection With 75ft Ethernet Cable?

Sep 21, 2010

I am trying to run a cable from my wireless router over a 75ft cat6 cable to my bedroom. I don't get any connection on my end and I don't have any other ideas. I did setup a m0n0wall box just to try. I got the network led on my server to light up in my room but nothing more than that. Lastly, I tried adding a 5 port switch in my room and then connecting that to my server and nada.

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Networking :: File Transfer Using Ethernet Cross Over Cable?

Apr 18, 2010

I am running Ubuntu Linux 9.10 on my laptop and desktop. I would like to transfer files from one to the other using an Ethernet Cross Over Cable. Is there software already installed in the bundle, that would allow me to setup network drives for each machine when the cable is connected. Also how would I setup the configuration.

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Networking :: Find A MAC Of Hardware Attached Via Ethernet Cable?

Apr 19, 2011

How can I find a MAC of hardware attached via ethernet cable? I have been working nicely with an industrial scanner that is controlled by a Linux PC via an ethernet cable, but the hard drive has died I need to get it working again. The problem is that the main PCB has a Realtek RTL8019AS ethernet controller chip: [URL] which I believe is used in the most basic way possible, applied straight off-the-shelf and unconfigured. To utilise the chip ARP commands are used to assign an IP address to the chips MAC address e.g. something like:

arp -s 192.168.2.5 00-05-a4-00-a8-f8

Unfortunately the actual MAC address was lost along with the HD Th only thing I could have a reasonable guess at is that the chip will have a default subnet of 255.255.0.0 or 255.255.255.0

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Networking :: Shared Connection With Playstation 3 - Put Ethernet Cable Between Them

May 2, 2011

How do I make share internet connection with playstation 3 with Linux Mint? I have put ethernet cable between them.

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Ubuntu Networking :: Ethernet Connection Does Not Come Back If Cable Had Been Manually Disconnected

Jan 28, 2011

OS: Maverick Ethernet driver: tested with sky2 an sk98lin This has been driving me crazy for the last few months: if I unplug ethernet cable while my laptop is on reconnecting it sometimes does not bring the connection back.

And once ethernet is gone nothing that I try seems to consistently bring it back. Rebooting, disabling/enabling the driver, disabling/enabling NIC in BIOS, changing driver from sky2 to sk98lin, deleting connection from Network Manager, resetting the router - nothing helps. It seems to come back randomly a few weeks later. Once I used live Ubuntu on a USB stick and ethernet came back not only on a live distro but then when I rebooted also on my main OS. But when I tried that trick next time ethernet was missing in the live distro as well.

Also once I was able to revive ethernet but compiling sk98lin driver, blacklisting sky2 and rebooting. Of course next time doing the same routine did not help. The thing is - ethernet works fine with either sky2 or sk98lin and I can unplug the cable and plug it back in most of the time without any issues. But then every so often - bang and I'm stuck with only wireless until ethernet suddenly starts working again.

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Fedora Networking :: Finding Out If Cable Removed From Ethernet Connector

Feb 2, 2009

How can I find out programmatically if a cable has been removed from an ethernet connector where the interface is "up" ??? Without using ping of course.
Sidebar question, if I have two interfaces on the subnet how can I force a ping out a specific interface? Say, I have 192.168.5.14 and 192.168.5.13 and I want to throw a ping out *.13 and not *.14 ..

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Ubuntu Networking :: Wireless Driver Became De-activated After Plugging In Ethernet Cable For File Sharing

Dec 10, 2010

Using ubuntu 10.10 (pinguy OS) i connected an ethernet cable from my girl's macbook pro to her lenovo ideapad s10-3t to transfer some DS9 episodes onto it. new enough to linux to have not been able to figure out how to access the files on the mac, so i disconnected the ethernet, and the wireless hasn't worked since. tried everything i know, and googling for a while (as well as searching again on this forum) to no avail.

Just before linking the 2 computers via ethernet, the wireless worked fine on the ideapad, always had; but not so after the ethernet connection that did nothing other than apparently kill the wireless. an "lshw -C network" command tells me i have a BCM4313 wireless card, and *-network UNCLAIMED. also, if i launch "install additional drivers", i see that the proprietary driver is not active.

How could merely plugging in an ethernet cable that happened to be conncected to a MBP running OSX.6 do that? and will that happen again? i thought linux was supposed to play real nice with other OS's, so why did a simple file transfer kill my wireless connectivity? i have no access to internet via ethernet cable, so i cannot just download the driver i need now. shouldn't it still be in the computer still? somewhere? is there a simple solution to this, or has the wireless driver been wiped out by plugging in the ethernet? is this a bug that should be reported?

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Ubuntu Networking :: Laptop Locks Hard On Login Screen If No Ethernet Cable Plugged In

Jul 15, 2011

Acer 5250-BZ475 laptop, fresh install of Ubuntu 11.04. Boots up beautifully as long as an ethernet cable is plugged in. Otherwise, I get to the login screen and have just enough time to start typing in my password before the entire system hangs hard - no mouse, no keyboard, can't even get to a terminal, nothing. Have to hard power off the machine.

It seems to be a problem with the wireless card trying to initialize, but there doesn't seem to be a bios option to disable wireless on this laptop, so I'm a bit at a loss as to how to fix this problem. By the way, wireless works fine if I boot up with a cable connected - I can see all the wireless access points in my area no problem. I just can't boot without a wired connection, which makes my laptop more or less useless when I'm away from home with it.

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Ubuntu Networking :: Ralink 3090 Wifi Connect Doesn't Work In 10.10 64 Bit

Oct 19, 2010

I have an HP DV6 3143se which has a Ralink 3090 wifi card in it.the only thing that doesn't work at the moment is the Wifi. I tried installing the Linux backports module, but the trouble is that sometimes, my home wifi network is shown on the list of available networks and most often, it's not. when the network does show up, and i click on it and enter my WPA2 password, it takes ages to handshake and then it tells me that my password is wrong. the same password works in windows 7 so something's not working.

when i try to disable and re enable wireless network on the network manager applet, i get a Wireless device not ready or Network manager not running message.

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Ubuntu Networking :: 10.04 Auto Ethernet Says It Connected But Can't Ping Out

Jul 19, 2011

I am unable to connect to the internet at work through the ethernet, previously working. I am not sure of the origin of this problem -- the result of an update or something that I did to the network settings.

In the NetworkManager applet is says Auto Ethernet is connected but I can't ping anything by name or ip address.

The wireless still works without any problem.

I have tried following some of the other threads on similar issues but the fixes proposed on them have not helped to date. And I may have mangled some of the settings files somewhat.

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Ubuntu Networking :: Reverse Ethernet Cable Setting Between 2 Ubuntu?

Jul 27, 2010

I have a reverse ethernet cable and I want to use it to connect a desktop 10.04 Lucid + laptop 10.04 Lucid

How do I do this ? I have no routers, no hubs. This is so I can transfer HD ISO backup files.

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Ubuntu Networking :: Cable Modem Networking - Can't Connect To Each Other On The Home Network

Feb 14, 2010

I just got connected to Charter Cable Internet service a few days ago and I'm having a weird problem with my home network. Prior to this my network worked fine. On my network I have a desktop running Ubuntu 9.10/64 and Virtualbox with WinXP installed, an HTPC with Ubuntu 9.10/32 installed and a laptop dual booted with Ubuntu 9.10/32 and WinXP. The desktop and HTPC are hard wired to a wireless router and the laptop is wireless. The cable modem is hard wired to the router. I have samba installed and UFW is disabled. The problem is: with the cable modem turned off or on standby, all machines connect to each other and can transfer files, etc just fine but when I activate the cable modem all of the machines can connect to the Internet but the machines running Ubuntu can't connect to each other on the home network. If I boot the laptop into Windows, it can connect to the Linux machines just fine but if I boot it into Linux, it won't connect to the Linux machines but it can connect to the Internet and as far as the desktop, Ubuntu won't connect to the network but Windows running in the Virtualbox with bridged networking can connect to all of the machines.

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Ubuntu Networking :: Cannot Connect To Internet With Cable

May 1, 2010

I'm having trouble connecting to the internet... I'm using Ubuntu 10.04 on a PC with Windows XP installed. When I click the little network icon at the top there's an option called "auto eth1" but when I click it, it just says
"Wired Connection: Disconnected - you are now offline."

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Networking :: Connect Two Pc By Cross Cable In Ubuntu?

Dec 21, 2010

How can connect two PCs that both of them have ubuntu by cross cable?

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Ubuntu Networking :: Ethernet Suddenly Crash And Says "no Cable Connected"

Apr 1, 2011

Yesterday it was everything OK in my PC with Ubutnu 10.4 and WinXP. Suddenly Ethernet stop working at Ubuntu, all what happened in between was a change of user, I trying changin user again, restarting PC, switching the cable (I have two ethernet boards) and nothing happened. It is like a virus attack, I don't know. I am writing now from WinXP in the same computer. Ubuntu says that I have no cable connected, but as you can see I am connected in Windows

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