Flash the Raspberry Pi image

• In a shell, move into your download directory and add extract the downloaded file:

  tar -xf hemera-free-raspberry-pi-beta4.tar.bz2

• Insert the SD card in your reader

• Assuming /dev/sdb as the device associated to your card, flash the raw image (it requires root permissions):

  dd if=hemera-free-raspberry-pi-beta4.raw of=/dev/sdb bs=4096

• Insert the SD card in your Raspberry Pi, power it on and enjoy Hemera!