Raspberry pie “wlan0: not associated” error reporting solution

When ifconfig wlan0 is executed, the network card information of wlan0 is output.

When ifconfig WLAN 0 up is executed, there is no problem (that is, there is no output).

If you execute iwlist wlan0 scan | grep SSID you should be able to see the WiFi of the surrounding environment.

At this time, you only need to modify the network configuration information

Add a network slip:

wpa_passphrase "<ssid&>" "<password&>" &>&> /etc/wpa_supplicant/wpa_supplicant.conf

It will generate the following information, 64 bit PSK

network={
        ssid="ssid"
        #psk="password"
        psk=44116ea881531996d8a23af58b376d70f196057429c258f529577a26e727ec1b
}

You may need to delete or comment out the original (“#”)

Modified/etc/WPA_ supplicant/wpa_ supplicant.conf The raspberry pie will not take effect if the network configuration information is changed

If you want the configuration to take effect , you need to kill WPA_ Supply process and restart it.

killall wpa_supplicant 
 wpa_supplicant -B -i wlan0 -c /etc/wpa_supplicant/wpa_supplicant.conf

11:10 am E

References

1. http://www.varmain.com/index.php/post 38.html

2. https=/raspberrypi.stackexchange.com/questions/50967/raspi-3-wlan0-not-associated.

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