The system is now ready to install the runtime as described in the guide mentioned previously. The last step should procude an output like this:
<pre class="board-terminal">
armbian@sbcspgsbcx:~/devel/azure-iot-edge$ sudo apt-get update
Get:1 http://security.debian.org stretch/updates InRelease [94.3 kB]
Hit:6 https://deb.nodesource.com/node_10.x stretch InRelease
Fetched 277 kB in 5s (50.2 kB/s)
Reading package lists... Done
armbian@sbcspgsbcx:~/devel/azure-iot-edge$ sudo apt-get install iotedge
Reading package lists... Done
Building dependency tree