Build a Weather Station with Elixir and Nerves: 'mix deps.get' does not work if user has not created a keyfile (page 16)

[akoutmos]

Good call out! I’ll be sure to add a note in the book for this issue. All you should have to do it run ssh-keygen and re-create the firmware. For more details take a look at this part of the Nerves documentation: Nerves.Firmware.SSH — nerves_firmware_ssh v0.4.6