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    #1

    Network/Internet Connection Problem

    My internet is not working. I believe I skipped the particular section of the installation regarding modem and network card devices, and I have no connection whatsoever.

    My network card is detected by both lspci and lshw, but dhclient refuses to set up any connection whatsoever. I get a "no broadcast interface found" when using dhclient.

    I am on a DSL modem. I do not have a username or password (so I can't use pppoeconf and those other point-to-point things...)

    Ifconfig does not list my eth0...

    I'm stuck. Can someone prod me into the right direction? I'm using a Broadcom NetXtreme Gigabit Ethernet card, a DSL modem, living in Korea (not sure if that might cause a few differences).
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    #2
    Re: Network/Internet Connection Problem

    What about ("doing as root does", of course) System Settings > Network Settings > Network Connections? There, you should be able to set the interface up ...

    HTH
    Birdy
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      #3
      Re: Network/Internet Connection Problem

      Oh, right. That. It shows nothing. I'm not sure what's supposed to be in it, but theres nothing there I can really alter

      Edit:
      One person (who has never used kubuntu before, but other distro's) suggested a modprobe to insert a module of my network card (I think that's what he said?) into the kernal so that Kubuntu recognizes the card.... What about that?
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        #4
        Re: Network/Internet Connection Problem

        The interface in question (e.g. eth0) is supposed to show up there, assumedly as being "disabled" or the like - but if there is no interface listed at all, then you are in trouble ...

        As for the idea about adding some kernel modules: there I can only guess, I am afraid - but maybe sudo modprobe -v pci_hotplug would help you on (?).

        HTH
        Birdy
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          #5
          Re: Network/Internet Connection Problem

          Thats... no good. Is there anything I can do? Does anyone have any idea what the problem might be?

          Edit: Will do.

          Edit2: I don't think it did anything. Checked the connection and settings but nothing had changed.
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            #6
            Re: Network/Internet Connection Problem

            And what happens when you try to (re-) start the network, e.g. by sudo /etc/init.d/networking restart, afterwards?
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              #7
              Re: Network/Internet Connection Problem

              "There is already a pid file /var/run/dhclient.eth0.pid with pid 134993416"
              eth0: error while getting interface: no such device
              (repeat above line)
              bind socket to interface - no such device."

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                #8
                Re: Network/Internet Connection Problem

                O.k. then - would you please show me / us the output resulting from [sudo] lspci | grep Ethernet then? In order to (hopefully) identify the proper kernel module for your specific device, we need the exact name of it ...
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                  #9
                  Re: Network/Internet Connection Problem

                  is encryption turned off and/or MAC address filtering turned off on your wireless router/access point ?
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                    #10
                    Re: Network/Internet Connection Problem

                    The result of sudo lspci |grep Ethernet -

                    02:00.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5751 Gigabit Ethernet PCI Express (Rev 11)

                    And no, I do not have a wireless or a router so I'm not sure if I can answer those questions
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                      #11
                      Re: Network/Internet Connection Problem

                      Mlcloud,

                      having done some additional research on this, I (for now ) would suggest to give the "tg3" module a try:

                      Code:
                      sudo modprobe -v tg3
sudo /etc/init.d/networking restart
                      HTH
                      Birdy
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                        #12
                        Re: Network/Internet Connection Problem

                        Hehe, nice timing. Thats what I just found out too.

                        Edit: Still couldn't detect anything... maybe I need the driver for linux (tg3)?

                        Here are a series of links that I've found, but can't understand (due to lack of linux experience, coding experience, etc)

                        http://savannah.gnu.org/bugs/?11555 - site discussing a patch to add support for the Broadcom 5751 card.

                        http://mail-index.netbsd.org/tech-ke...0/22/0003.html - Someone who had made his 5751 card work?

                        http://www.linux-tested.com/results/...ton_5700G.html - to quote,
                        The On-Board Broadcom 5751 Lan chip weren't detected by normal install , must get driver file bcm5700-7.3.5.tar.gz then setup it.
                        So it looks like my network card is the main problem, and that other linux users have suffered from it... Wow thats unlucky.
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