Install IoT Edge on the Jetson TX2 running JetPack version 4.2

After flashing from a 16.04 machine using nvidia sdk –

Update numpy in python 3 for CV2

OpenCV works with Python 3 in Jetpack 4.2 so that is good, but it requires that numpy be updated for Python 3 (at the time this was written). Follow these steps:

1. sudo apt install python3-pip
2. pip3 install -U numpy

Install docker by following directions

[ Note that this assumes you are setting up a development environment.  If you are setting up for production, install Moby by following the instructions at https://docs.microsoft.com/en-us/azure/iot-edge/how-to-install-iot-edge-linux-arm just before the installation of IoT Edge ]https://docs.docker.com/install/linux/docker-ce/ubuntu/#prerequisites