WiFi issue with raspberry pi

Error: Could not connect to wpa_supplicant

  • First, I did a full upgrade. This broke what wifi networking I did achieve
sudo apt update
sudo apt full-upgrade
  • Connect to ethernet port somewhere. I had to do this
  • Use the Mr Engman drivers to get my wifi dongle working (this assumes you’re logged in as pi)
wget http://downloads.fars-robotics.net/wifi-drivers/install-wifi
sudo chmod u+x install-wifi
sudo /home/pi/install-wifi
  • Add entries to /etc/network/interfaces
auto wlan0
    iface wlan0 inet manual
    pre-up wpa_supplicant -i wlan0 -c /etc/wpa_supplicant/wpa_supplicant.conf -B

Source link: https://www.reddit.com/r/raspberry_pi/comments/e0i6y3/cannot_configure_wifi_wpa_supplicant_errors/

UPD: but better to use this script: http://downloads.fars-robotics.net/wifi-drivers/install-wifi

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