LinuxQuestions.org - Cant connect to WPA2 encryption | IOCSIWENCODEEXT

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Cant connect to WPA2 encryption | IOCSIWENCODEEXT - invalid argument

Hello.

I try to start WPA2 encrypted network connection at wlan architecture by:

Code:

sudo wpa_supplicant -B -iwlan0 -c/etc/wpa_supplicant.conf -Dwext && sudo dhclient wlan0

Then i got response like:

Code:

Successfully initialized wpa_supplicant

iocnt1[SIOCSIWENCODEEXT]: Invalid argument

iocnt1[SIOCSIWENCODEEXT]: Invalid argument

I configured the wpa_supplicant.conf to this basic setup:

Code:

network={

        ssid="my_network"

        psk="my_key"

}

One reason of this problem i may suspect is the error i got while installing libdbus-1-3_1.10.6-1_amd64.deb. I needed to force the dpkg installation with -D argument. After that i got communicate that bus been disconfigured. I trust its my previous version of libbus but i don't really know :).

I'm using Debian Jessie and 3.16.0-4-amd64 kernel.

Siery

Can someone advice me what kinda of information could i deliver to help to fix this problem? Im newbie Linux user and I'm not oriented at all in this subject.
Thanks.