# vi /etc/wpa_supplicant.wlan0.conf
ctrl_interface=/var/run/wpa_supplicant
eapol_version=1
fast_reauth=1
ap_scan=1
network={
ssid="SSID"
scan_ssid=1
key_mgmt=WPA-PSK
proto=RSN
pairwise=CCMP
group=CCMP
psk="WPA2PSK"
}