Setup simple wardrive device with Raspberry PI + Kali Linux

/etc/hostapd/hostapd.conf

interface=wlan0
country_code=ID
ssid=KALIPI
hw_mode=g
channel=13
macaddr_acl=0
ignore_broadcast_ssid=0
auth_algs=1
ieee80211n=1
wme_enabled=1
# The following is for adding a PW
wpa=2
wpa_passphrase=difficultpassword
wpa_key_mgmt=WPA-PSK
wpa_pairwise=TKIP

/etc/dnsmasq.conf

interface=wlan0
dhcp-range=192.168.1.2,192.168.1.10,24h
dhcp-option=option:dns-server,192.168.1.1

Enable and restart services

systemctl enable hostapd
systemctl enable dnsmasq
systemctl restart hostapd
systemctl restart dnsmasq

References :
https://unix.stackexchange.com/questions/699968/hostapd-disables-and-enables-interface