I just finished upgrading my laptop to Ubuntu 9.10 (Karmic Koala). After the upgrade finished I noticed that for my wireless card the Network Manger applet in gnome claimed “device not managed.” A quick search revealed that this had happened in the past. I had to set managed=true in /etc/NetworkManager/nm-system-settings.conf. Doing this again and restarting the network service didn’t seem to fix the issue. After a few minutes of looking around in /etc/init.d I saw another service (network-manager!) that needed to be restarted. In summary is here is what you need to do.
1. Edit /etc/NetworkManager/nm-system-settings.conf and set managed=true
Specifically change the ‘managed’ under ifupdown…
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[ifupdown] managed=false |
…to true.
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[ifupdown] managed=true |
2. Restart networking and network-manager services.
You can always restart the computer, but where is the fun in that 🙂 To get things to work without restarting, run the following commands.
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sudo /etc/init.d/network-manager restart sudo /etc/init.d/networking restart |