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Thread: Network Manager: "device is unmanaged"

  1. #1
    Join Date
    Jan 2009
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    29

    Question Network Manager: "device is unmanaged"

    I'm using Network Manager 0.7.0 on Ubuntu 8.10, with a Linksys WUSB100. After getting the rt2870.inf driver (from the "Win2K" folder on the CD), the card works great and lets me connect to the Internet, but I've found a small problem (it's not really a big issue, but I'd like to figure it out mostly so I can know how to use Network Manager better):

    After I log into Ubuntu, Network Manager connects to my specified "connect automatically" network, but when I click on the icon, instead of there being a list of available networks, etc., under "Wireless Networks," there is simply "device is unmanaged." This means I can't change the network I want to connect to, look at connection statistics, etc. Oddly enough, if I unplug and replug my wireless card, Network Manager does manage my card, and I can see the list of networks, etc.

    I've already tried both of the recommended modifications in this post, but both times, Network Manager did not even detect my wireless card upon rebooting.

    Thanks.

  2. #2
    Join Date
    Mar 2009
    Beans
    3

    Lightbulb Re: Network Manager: "device is unmanaged"

    I too faced this problem with my Ubuntu Intrepid.

    I found the following solution for the same:
    https://bugs.launchpad.net/ubuntu/+s...er/+bug/280417

    Hope that saves your day.

    Happy Computing!

  3. #3
    Join Date
    Jan 2009
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    29

    Re: Network Manager: "device is unmanaged"

    That thread is fairly long though; which post contains the solution you were referring to?

  4. #4
    Join Date
    Aug 2007
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    20

    Re: Network Manager: "device is unmanaged"

    The following worked for me from that thread
    Whatever updates occurred in the last day set all the devices to managed=false in /etc/NetworkManager/nm-system-settings.conf

    Change that and "sudo killall nm-system-settings" and it'll start working again.
    Simple do the following:

    Code:
    sudo vi /etc/NetworkManager/nm-system-settings.conf
    Change "managed=false" to "managed=true"

    Code:
    sudo killall nm-system-settings
    The network manager then notifies you that the network was detect and attempts to connect you, so if all of your settings are correct then you'll have nothing to worry about.

  5. #5
    Join Date
    Mar 2008
    Location
    Cardiff, UK
    Beans
    425
    Distro
    Ubuntu 10.04 Lucid Lynx

    Re: Network Manager: "device is unmanaged"

    Thanks, that worked for me! (Replacing vi with nano of course)

  6. #6
    Join Date
    Oct 2005
    Location
    Toronto, Ontario
    Beans
    6
    Distro
    Ubuntu 8.04 Hardy Heron

    Re: Network Manager: "device is unmanaged"

    Thank you very much for the pointer. I was pulling my hair out trying to figure out why my wireless connection on my ubuntu 8.10 box suddenly stopped working. Cheers!

  7. #7
    Join Date
    Sep 2007
    Beans
    42
    Distro
    Ubuntu 9.04 Jaunty Jackalope

    Re: Network Manager: "device is unmanaged"

    Thanks very much! This worked for me!

  8. #8
    Join Date
    Feb 2006
    Location
    ZA
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    56
    Distro
    Ubuntu 10.04 Lucid Lynx

    Re: Network Manager: "device is unmanaged"

    Quote Originally Posted by mchaggis View Post
    The following worked for me from that thread


    Simple do the following:

    Code:
    sudo vi /etc/NetworkManager/nm-system-settings.conf
    Change "managed=false" to "managed=true"

    Code:
    sudo killall nm-system-settings
    The network manager then notifies you that the network was detect and attempts to connect you, so if all of your settings are correct then you'll have nothing to worry about.
    And your tip worked for me too! Thank you, thank you, thank you
    Linux = freedom for the masses
    PC: A8N-SLI, 4400+, 8800GT, 2x1Gb DDR400,160+2x1Tb

  9. #9
    Join Date
    Feb 2007
    Beans
    1

    Re: Network Manager: "device is unmanaged"

    This worked for me as well, I was going a little bit crazy trying to figure it out.

    What caused it to happen in mine -I believe- was using the aircrack-ng suite, somewhere in there putting my card into monitor mode must have dont it, but thanks to this post, it's all working again.

    Thank you all so much.

  10. #10
    Join Date
    Jun 2009
    Location
    india
    Beans
    1
    Distro
    Ubuntu 9.04 Jaunty Jackalope

    Re: Network Manager: "device is unmanaged"

    i hope this works for me as well..........i'm gonna check it out..

    well......thanking u in anticipation

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