One more thing to check is that the firmware is available and gets loaded.
Then it has worked for me.
/Sven
Den måndag 2 mars 2015 kl. 11:17:05 UTC+1 skrev Dajiang He:
>
> Hi,
>
> I have a BB Black RevC with its original Debian OS.
> When I plugged in a Aztech wifi dongle: the dongle's blue light is on.
> when I do lsusb, I can see
>
> us 001 Device 002: ID 05e3:0608 Genesys Logic, Inc. USB-2.0 4-Port HUB
> Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
> Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
> Bus 001 Device 003: ID 413c:2003 Dell Computer Corp. Keyboard
> Bus 001 Device 006: ID 0bda:8178 Realtek Semiconductor Corp. RTL8192CU
> 802.11n WLAN Adapter
> Bus 001 Device 005: ID 0461:4d15 Primax Electronics, Ltd Dell Optical Mouse
>
> the wifi adapter is detected.
>
> when I do lsmod,
>
> Module Size Used by
> binfmt_misc 5377 1
> g_multi 47670 2
> libcomposite 14299 1 g_multi
> arc4 1660 2
> rtl8192cu 73560 0
> rtlwifi 63798 1 rtl8192cu
> rtl8192c_common 51523 1 rtl8192cu
> mac80211 411868 3 rtlwifi,rtl8192c_common,rtl8192cu
> cfg80211 344277 2 mac80211,rtlwifi
> rfkill 16656 1 cfg80211
> mt7601Usta 601404 0
>
> it looks like the driver is loaded into OS.
>
> this is my interface file in /etc/networks regarding to wlan0 part
>
> #auto wlan0
> allow-hotplug wlan0
> iface wlan0 inet dhcp
> wpa-driver wext
> wpa-conf /etc/wpa_supplicant/wpa_supplicant.conf
> #nl80211
>
> and wpa_supplicant part
>
> network={
> ap_scan=1
> ssid="myssid"
> psk="******"
> key_mgmt=WPA-PSK2
>
> My problem is I cannot get the wifi connection.
> If I do ifconfig, I can see wlan0.
>
> Can any expert tell me what I missed?
>
>
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