Add steps to get ssh command from cli output

Author: toolboc

articles/iot-edge/how-to-install-iot-edge-ubuntuvm.md

@@ -139,7 +139,18 @@ The [Deploy to Azure Button](../azure-resource-manager/templates/deploy-to-azure
 
 1. Verify that the deployment has completed successfully.  A virtual machine resource should have been deployed into the selected resource group.  Take note of the machine name, this should be in the format `vm-0000000000000`. Also, take note of the associated **DNS Name**, which should be in the format `<dnsLabelPrefix>`.`<location>`.cloudapp.azure.com.
 
-    The **DNS Name** can be obtained from the **Overview** section of the newly deployed virtual machine within the Azure Portal.
+    The **DNS Name** can be obtained from the JSON-formatted output of the previous step, within the **outputs** section as part of the **public SSH** entry.  The value of this entry can be used to SSH into to the newly deployed machine.
+
+    ```bash
+    "outputs": {
+      "public SSH": {
+        "type": "String",
+        "value": "ssh <adminUsername>@<DNS_Name>"
+      }
+    }
+    ```
+
+    The **DNS Name** can also be obtained from the **Overview** section of the newly deployed virtual machine within the Azure Portal.
 
     > [!div class="mx-imgBorder"]
     > [![Screenshot showing the dns name of the iotedge vm](./media/how-to-install-iot-edge-ubuntuvm/iotedge-vm-dns-name.png)](./media/how-to-install-iot-edge-ubuntuvm/iotedge-vm-dns-name.png)