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Thread: Network Management disabled

  1. #1
    Join Date
    Dec 2009
    Location
    England, UK
    Beans
    10
    Distro
    Kubuntu 10.04 Lucid Lynx

    Network Management disabled

    Kubuntu 10.04 LTS (Lucid Lynx) is what I'm using. And I just got a problem with the network-manager.
    The problem is similar to a bug described here, but changing
    Code:
    NetworkingEnabled=true
    does not help because it is already "true".
    Any help would be appreciated.

  2. #2
    Join Date
    Mar 2007
    Location
    INDIA-Kerala
    Beans
    1,604
    Distro
    Ubuntu 11.04 Natty Narwhal

    Re: Network Management disabled

    the following link
    http://wiki.debian.org/NetworkManager
    says that the file /etc/network/interfaces should only contain
    Code:
    auto lo 
    iface lo inet loopback

  3. #3
    Join Date
    Dec 2009
    Location
    England, UK
    Beans
    10
    Distro
    Kubuntu 10.04 Lucid Lynx

    Re: Network Management disabled

    It does contain only those lines.
    So far I've managed to connect to the internet by removing network-manager and installing wicd instead.

  4. #4
    Join Date
    May 2010
    Beans
    7

    Re: Network Management disabled

    may want to check this too:

    /etc/NetworkManager/nm-system-settings.conf

    [main]
    plugins=ifupdown,keyfile

    [ifupdown]
    managed=true
    Last edited by chaosgrimm; May 16th, 2010 at 10:37 PM. Reason: did not follow prior link

  5. #5
    Join Date
    Dec 2009
    Location
    England, UK
    Beans
    10
    Distro
    Kubuntu 10.04 Lucid Lynx

    Re: Network Management disabled

    In fact I did check that.
    The problem occurred when the system failed to restore from Hibernate mode. For a lot of people changing "NetworkingEnabled" to "true" works and fixes the problem. But I already have that enabled. I've checked config files and everything seems to be ok. I even tried:
    Code:
    NetworkingDisabled=false
    but no luck.

  6. #6
    Join Date
    Nov 2008
    Beans
    43

    Re: Network Management disabled

    here's the same problem, too.

    network management was disabled after failing on resuming from sleep:
    battery went out, so instead of resuming, there was a clean startup

    changing to

    Code:
    [ifupdown]
    managed=true
    didn't help.

    but,

    Code:
    NetworkingEnabled=true
    solved the problem.

    then again, maybe it's the combination of both options that solved the problem.

  7. #7
    Join Date
    Jul 2005
    Location
    Seattle, WA
    Beans
    279
    Distro
    Kubuntu 5.10

    Re: Network Management disabled

    thanks, same thing just happened to me after my battery died completely. changed the [ifupdown] managed=true did not solve the problem.
    but changing the file /var/lib/NetworkManager/NetworkManager.state to networking enabled did fix the problem.
    My Blog.

  8. #8
    Join Date
    Jan 2007
    Location
    Romania
    Beans
    47
    Distro
    Kubuntu 10.10 Maverick Meerkat

    Re: Network Management disabled

    For what it's worth, I can confirm that changing the NetworkingEnabled to true in /var/lib/NetworkManager/NetworkManager.state solved the problem for me too.

    Thank you

  9. #9
    Join Date
    Jul 2010
    Beans
    1

    Re: Network Management disabled

    I am having this problem on my system (Kubuntu 10.04) and I get the: "NetworkingEnabled=false" message in Kate. But when I change it to 'true' and try to save, I get an error message that I cannot save a backup of file, followed by a message that I do not have permission to change the file. I have not used Kubuntu very much, and I have forgotten everything I learned about Terminal and Root. I have searched high and low for ways to login as root, but none of them are for 10.04 and none of the older ones work.


    Could someone who speaks plain english (for those of us who are not experts) tell me how to change this file, either in Terminal, or in Kate. What do I need to do to get permission to modify the file? The more simple the explanation, the better, as this seems to be a common problem and I am sure I am not the only non-expert that has run across it. I really do not want to have to reinstall 9.10, I have over-written this poor hard drive too many times as it is. Thank you

  10. #10
    Join Date
    Mar 2007
    Location
    INDIA-Kerala
    Beans
    1,604
    Distro
    Ubuntu 11.04 Natty Narwhal

    Re: Network Management disabled

    You are using kate......... to open the file .Try sudo kate ......

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