python app.py
x
i
login: pi
passwd: raspberry
# sudo nano /etc/wpa_supplicant/wpa_supplicant.conf
network={
ssid="MR_Guest"
psk="XXX"
}
# sudo ifdown wlan0 && sudo ifup wlan0
# ifconfig
# diskutil list
# diskutil unmountDisk /dev/disk2
# sudo dd if=/dev/disk2 of=old_pi.img bs=1m
# diskutil list
# diskutil unmountDisk /dev/disk2
# sudo dd if=Downloads/2017-01-11-raspbian-jessie-lite.img of=/dev/disk2 bs=1m
# diskutil unmountDisk /dev/disk2
XKBMODEL=”pc105”
XKBLAYOUT=”us”