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iot

Watching device health through heartbeats, metrics, logs and crash counts

taught

Taught in

Requires

Required by

Local knowledge map

Local knowledge map

Building and deploying a .NET 10 app to a Raspberry Pi-class… Collecting remote logs and support bundles and running only safe… Designing thresholds and alerts with hysteresis, hold time… Capturing reset reasons and core dumps and reporting them… Running a back end as a service or container on a small Linux box,… Writing event-driven rules that react to device messages… Watching device health through heartbeats, metrics, logs and… Computing a shadow's delta from desired and reported state, with… Explaining publish/subscribe through a broker and… Listing what can go wrong during an over-the-air update… Publishing telemetry and handling commands from an ESP32 with th… Scheduling reconnect attempts with exponential backoff,… Stating what each part of a system does when any one of its links… Testing a back end with unit tests and integration tests… Naming the ways a device's connection fails (access point,… Using retained messages for last-known state and… Choosing MQTT QoS 0, 1 or 2 by what each guarantees and costs,… Designing a finite state machine with states, events and… Explaining how a device gets an address with DHCP and finds a…

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Solid arrows are required prerequisites; dashed are recommended or helpful. Lower rows are more foundational. Click any box to jump to that concept.