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NetworkManager refuses to manage my WLAN interface

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http://askubuntu.com – I'm using Ubuntu 12.10 with Gnome 3.6 on a brand-new Samsung NP900X4C. The installer detected the wireless adapter, took in the SSID and WPA passphrase, wrote these into /etc/network/interfaces and connected perfectly. Once installation was finished I wanted to switch to using NetworkManager to manage the wireless adapter, since this is much more convenient than fiddling with /etc/network/interfaces every time I find a new hotspot. Therefore I edited /etc/NetworkManager/NetworkManager.conf to set: [ifupdown] managed=true When I rebooted NetworkManager, the problems started: - the NetworkM (HowTos)

Danial's picture
Submitted by Danial on 11/03/2012 – Made popular on 11/03/2012

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I've got a laptop which I use two wireless adapters with. With one of them, I'd like NetworkManager to manage and automatically connect me to wireless networks when they're available. The other, I want NetworkManager to leave alone, letting me hack on it with iwconfig and whatnot.

The libvirt-bin daemon libvirtd creates virtual bridge(s) and interface(s) for the virtual machines it controls. NetworkManager kills these connections. I know that it is possible to uninstall or disable NetworkManager, but I wish to use it to manage the real interfaces on my system.

Hi there,

I am new ubuntu user. I have tried to configure wireless usb adapter on my 9.10 desktop. Adapter did worked fine, but I have problems with wired connection now:

I can ping my router. Skype works fine (don`t need DNS), internet on virtual machine (winXP) works too.

THis is CAT of interfaces:

What is the correct way of configuring virtual LAN interfaces (hopefully without messing up Network Manager) on Ubuntu 12.04 Desktop?

Simply adding the interface to /etc/network/interfaces seems to cause Network Manager some confusion:

auto vlan500 iface vlan500 inet static ... ... vlan_raw_device eth1

Is there a better way of doing it?

update:

I updated /etc/NetworkManager/NetworkManager.c

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I am a complete Linux beginner and I managed to install Archlinux today. But I have no access to my wifi for some reason.

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networkmanager not working 48 weeks 8 hours ago

hi!

Wifi not working properly 48 weeks 2 days ago

I have a Samsung N150 Netbook with a Atheros Communications Inc. AR9285 Wireless Network Adapter.I ran both wicd and networkmanager. wicd can't connect at all, networkmanager can, but the connectiondies after like 10 seconds.I have another Laptop running Ubuntu, which uses networkmanager, which just works, and i recently hadan Android, which also worked just fine.