sudo raspi-config
sudo dpkg-reconfigure tzdata
sudo apt-get update && sudo apt-get -y upgrade
sudo apt-get install rpi-update
sudo rpi-update
to prevent pre-shared key (PSK) disclosure
sudo chmod 0600 /etc/network/interfaces
interface Datei öffnen
sudo nano /etc/network/interfaces
in die Datei einfügen
//auto wlan0
allow-hotplug wlan0
iface wlan0 inet dhcp
wpa-ssid mynetworkname
wpa-psk mysecretpassphrase