Edit /etc/network/interfaces for local wireless network.
# apt-get install ntpdate
# raspi-config
# 4, 2, America/Los_Angeles
# raspi-config
# 1, reboot
# grep ospi /etc/hosts /etc/hostname
/etc/hosts:127.0.1.1 frontyard
/etc/hostname:frontyard
# apt-get install avahi-daemon
# browser http://frontyard/sprinklers/