Linux/Mosquitto: Difference between revisions

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topic  #              in        0   
topic  #              in        0   
topic  edge/#        out      1
topic  edge/#        out      1
topic  tocloud/#     out      2   tocloud/  fromedge/  
topic  #             out      2       tocloud/  fromedge/  
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Latest revision as of 21:11, 2 December 2023

Basic usage

  • subscribe
mosquitto_sub -t "test" -h servername
mosquitto_sub -t "test" -h servername -u "username" -P "password"
mosquitto_sub -t "test" -h servername -u "username" -P "password" -p 8883 --capath /etc/ssl/certs/
  • publish
mosquitto_pub -t "test" -m "test message" -h servername
mosquitto_pub -t "test" -m "test message" -h servername -u "username" -P "password"
mosquitto_pub -t "test" -m "test message" -h servername -u "username" -P "password" -p 8883 --capath /etc/ssl/certs/

User

mosquitto_passwd /etc/mosquitto/users BENUTZERNAME

Config

  • get mosquitto.conf from docker container
docker cp mosquitto:/mosquitto/config/mosquitto.conf .

Simple broker

allow_anonymous true
listener 1883
persistence true
persistence_location /mosquitto/data/
log_dest file /mosquitto/log/mosquitto.log

Bridge

  • Only configure on slave brokers. No special config on maste broker.
  • quick reference
topic {topic pattern} direction QOS {local prefix} {remote prefix}
topic  #              in        0   
topic  edge/#         out       1
topic  #              out       2       tocloud/  fromedge/ 
  • Basic 1:1 bridge
...
connection cloudvm
address 10.10.0.1:1883
try_private true
topic # out 0
topic # in 0
  • only slave topics are shared
...
connection cloudvm
address 10.10.0.1:1883
try_private true
topic edge/# out 0
topic edge/# in 0

Links