Sometimes you want that your Raspberry Pi connects many different wireless networks. To do this you just have to add file wpa_supplicant.conf to your memory card (You can do that example with notepad) and add this to it:
ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=netdev
update_config=1
network={
ssid="petrilopia_home"
psk="password"
id_str="home"
priority=1
}
network={
ssid="petrilopianet_mobile"
psk="password"
id_str="mobile"
priority=2
}
network={
ssid="petrilopianet_guest"
psk="password"
id_str="guest"
priority=3
}
Category: 
