mosquitto_sub
mosquitto_sub
TLDR
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 [sensors/temperature] -q [1]
Subscribe to all broker status messages publishing on iot.eclipse.org port 1885 and print published messages verbosely
$ mosquitto_sub -v -h "iot.eclipse.org" -p 1885 -t [\$SYS/#]
Subscribe to multiple topics matching a given pattern. (+ takes any metric name)
$ mosquitto_sub -t [sensors/machines/+/temperature/+]