sudo flash --help

usage: ./flash [options] name-of-rpi.img

Flash a local or remote Raspberry Pi SD card image.

OPTIONS:
   --help|-h      Show this message
   --bootconf|-C  Copy this config file to /boot/config.txt
   --config|-c    Copy this config file to /boot/device-init.yaml (or occidentalis.txt)
   --hostname|-n  Set hostname for this SD image
   --ssid|-s      Set WiFi SSID for this SD image
   --password|-p  Set WiFI password for this SD image

For HypriotOS devices:

The config file device-init.yaml should look like

hostname: black-pearl


For Raspberry Pi until Hector release:

The config file occidentalis.txt should look like

# hostname for your Hypriot Raspberry Pi:
hostname=hypriot-pi

# basic wireless networking options:
wifi_ssid=SSID
wifi_password=12345

The boot config file config.txt has name/value pairs such as:

max_usb_current=1