mirror of
https://github.com/ivuorinen/cheatsheet-tldr.git
synced 2026-02-04 05:43:47 +00:00
22 lines
923 B
Plaintext
22 lines
923 B
Plaintext
---
|
|
syntax: markdown
|
|
tags: [tldr, common]
|
|
source: https://github.com/tldr-pages/tldr.git
|
|
---
|
|
# mosquitto_sub
|
|
|
|
> A simple MQTT version 3.1.1 client that will subscribe to topics and print the messages that it receives.
|
|
> More information: <https://mosquitto.org/man/mosquitto_sub-1.html>.
|
|
|
|
- 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/+}}`
|