Raspberry Pi4 connected to WiFi of WPA2 (medium article)

wpa_supplicant.conf

ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=netdev
update_config=1
country=JP

network = { 
    ssid = "<SSID name to connect>" 
    proto = RSN 
    key_mgmt = WPA - EAP 
    pairwise = CCMP 
    auth_alg = OPEN 
    eap = PEAP 
    identity = "<user name to connect>" 
    password = "<password>" 
    phase1 = "Peaplabel = 0" 
    phase2 = "auth = MSCHAPV2" 
    priority = 1 
}