mosquitto_sub

all

A simple MQTT version 3.1.1 client that will subscribe to topics and print the messages that it receives.

Options (5)

-t, --topicboolean

Subscribe to the topic `sensors/temperature` information with Quality of Service (`QoS`) set to 1. (The default hostname is `localhost` and port 1883)

Example: mosquitto_sub {{[-t|--topic]}} {{sensors/temperature}} {{[-q|--qos]}} {{1}}

-q, --qosboolean

Subscribe to the topic `sensors/temperature` information with Quality of Service (`QoS`) set to 1. (The default hostname is `localhost` and port 1883)

Example: mosquitto_sub {{[-t|--topic]}} {{sensors/temperature}} {{[-q|--qos]}} {{1}}

-v, --verboseboolean

Subscribe to all broker status messages publishing on `iot.eclipse.org` port 1885 and print published messages verbosely

Example: mosquitto_sub {{[-v|--verbose]}} {{[-h|--host]}} "iot.eclipse.org" {{[-p|--port]}} 1885 {{[-t|--topic]}} {{\$SYS/#}}

-h, --hostboolean

Subscribe to all broker status messages publishing on `iot.eclipse.org` port 1885 and print published messages verbosely

Example: mosquitto_sub {{[-v|--verbose]}} {{[-h|--host]}} "iot.eclipse.org" {{[-p|--port]}} 1885 {{[-t|--topic]}} {{\$SYS/#}}

-p, --portboolean

Subscribe to all broker status messages publishing on `iot.eclipse.org` port 1885 and print published messages verbosely

Example: mosquitto_sub {{[-v|--verbose]}} {{[-h|--host]}} "iot.eclipse.org" {{[-p|--port]}} 1885 {{[-t|--topic]}} {{\$SYS/#}}

Examples (3)

Subscribe to the topic `sensors/temperature` information with Quality of Service (`QoS`) set to 1. (The default hostname is `localhost` and port 1883)

mosquitto_sub [-t|--topic] sensors/temperature [-q|--qos] 1

Subscribe to all broker status messages publishing on `iot.eclipse.org` port 1885 and print published messages verbosely

mosquitto_sub [-v|--verbose] [-h|--host] "iot.eclipse.org" [-p|--port] 1885 [-t|--topic] \$SYS/#

Subscribe to multiple topics matching a given pattern. (+ takes any metric name)

mosquitto_sub [-t|--topic] sensors/machines/+/temperature/+

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