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sudo nano /etc/lightdm/lightdm.conf

autologin-user=kali
autologin-user-timeout=0

"kali" is your user

keep uncomment these lines.

Hi, I have a RPi 4B and I trying to using it with Airodump-ng and inmediately says "Fixed channel wlan0mon: -1"

On 5Ghz it can scan until channel 128 (5640Mhz). It is a hardware or software...