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Thread: no network on ununtu 12.10 after upgrade

  1. #1
    Join Date
    Dec 2010
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    7

    no network on ununtu 12.10 after upgrade

    I have no networking on my machine after upgrading to 12.10. I can't even ping my router. ping localhost works however. I'm not sure where to even begin in fixing this. Any pointers on which log files I should check etc would be very helpful.

    Thanks

    Warwick

  2. #2
    Join Date
    Dec 2010
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    7

    Re: no network on ununtu 12.10 after upgrade

    Also, restarting the network with /etc/init.d/networking restart kills unity.

  3. #3
    Join Date
    Mar 2010
    Location
    India
    Beans
    7,351
    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: no network on ununtu 12.10 after upgrade

    Please run the following command to download and run a script (courtesy dave, wildman & others) that will create a summary of your wireless settings (just copy-paste the command in a terminal):
    Code:
    wget -N -t 5 -T 10 http://dl.dropbox.com/u/57264241/wireless_script && chmod +x wireless_script && ./wireless_script
    It will create a file named "netinfo.txt" in your home directory. Copy-paste its contents here, or attach the file itself.
    Varun
    Help others by marking threads as [SOLVED], if they are. (See how)
    Wireless Script | Use Code Tags

  4. #4
    Join Date
    Feb 2009
    Beans
    1

    Re: no network on ununtu 12.10 after upgrade

    I am having (by the sounds of it) exactly the same issue. Some time after running an update I lost all traces of my network card, restarting networking results in the desktop manager crashing. I ran the bootable installer (the one I just used to install) just to be sure it wasn't a hardware issue. Everything worked fine in the bootable instance.

    I can run the script if you'd like, but this in my case I'm on a wired connection with no wireless device installed. Also, being that I have no working network connection, I'll have to download the file on another computer and copy it over.

    Some searching turned up <this link> which sounds like our issue, but there hasn't been any recent activity on that page.

    I apologize if the proper educate here would be to start a new thread. I will happily do so if that's the case.

  5. #5
    Join Date
    Mar 2010
    Location
    India
    Beans
    7,351
    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: no network on ununtu 12.10 after upgrade

    Quote Originally Posted by xenocide702 View Post
    I apologize if the proper educate here would be to start a new thread. I will happily do so if that's the case.
    Not such a big deal, but I'd recommend you to do so.
    First - it being a fresh thread, you'll have more chance of getting quick and possibly better replies; Second - you'll be able to mark it as [Solved] if it becomes the case - it really helps us and others searching for solutions to specific problems.

    Accordingly, please start a new thread of your own in Networking & Wireless section and besides a detailed description of the problem, post the outputs of following there -
    Code:
    lspci -nnk | grep -iA2 net
    lsmod
    nm-tool
    You may then post a link to it here in your next post so that those of us who may be interested can follow it.

    Good luck !
    Varun
    Help others by marking threads as [SOLVED], if they are. (See how)
    Wireless Script | Use Code Tags

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