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Lesson 4 – Managing your fleet and deploying updates

Overview

So far in this course, you have learned what nRF Cloud offers, understood how data gets from a device to the cloud, and, once that data is processed, learned how to inspect a single device’s behavior and firmware issues. This lesson is about operating at scale: seeing your whole fleet at once, and confidently shipping new firmware to it. These are the day-to-day skills of running a connected product once it is in the field.

You will learn to build dashboards and read them without being fooled by population size, to search logs across many devices to investigate a problem, to organize devices into the right groups for targeting, and to deliver firmware over the air through controlled, measurable rollouts. The throughline is a single loop: watch the fleet, spot a change, ship a fix, and confirm the result in the data.

Objectives

After completing this lesson, you will be able to:

  • Build custom dashboards and use chart types, Comparison Mode, and chart normalization to compare device populations fairly.
  • Use fleet-wide log search to investigate issues across many devices.
  • Group devices into cohorts for OTA targeting, and distinguish cohorts from the attributes used for device metadata.
  • Describe firmware OTA delivery, including full versus delta releases and staged rollouts.

Topics in this lesson

Work through the topics below in order:

  • Building dashboards and comparing populations
  • Investigating across devices with fleet-wide log search
  • Organizing devices: cohorts vs. attributes
  • Deploying firmware over the air

What’s next

You can now watch your fleet, investigate problems across devices, and ship updates to the right devices with confidence. In Lesson 5, the final lesson, we turn from reacting to problems to getting ahead of them: setting up alerts so nRF Cloud notifies you when something crosses a threshold, monitoring ongoing issues, and meeting security-compliance obligations through SBOM upload and CVE scanning.

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