RPi - Could not communicate with wpa_supplicant: error n2 wifi

rpiwpafix.txt

Solution

I referred to this official forum.

Raspbian Stretch: Wifi not starting on boot – Raspberry Pi Forums

First,

sudo vim /etc/network/interfaces

and, you should write in bottom

allow-hotplug wlan0
iface wlan0 inet manual
wpa-conf /etc/wpa_supplicant/wpa_supplicant.conf
This will allow wlan at startup. afterwards,

sudo systemctl enable wpa_supplicant.service
restart wpa_supplicant

sudo reboot now

Thank you. You made my day

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