EMQ X rule engine is used to configure the processing and response rule of EMQ X messages or events. As a new important function of EMQ X in 2019, rule engine not only provides a clear and flexible "configurable" business integration solution ...
There are a lot of newcomer for the Internet of Things, MQTT, EMQ X asking how to get the online and offline status of the device. Because such data of the device is a basic representation of IoT data, many higher-level applications will display and analyze based on this data.
EMQ X supports automatic clustering through the Kubernetes service. You need to use kubeadm to create a 3 nodes cluster in Ubuntu before starting to build an EMQ X cluster as introduced in below.