/usr/bin/mosquitto

1794236293: mosquitto version 2.1.2 terminating
mosquitto version 2.1.2

mosquitto is an MQTT v5.0/v3.1.1/v3.1 broker.

Usage: mosquitto [-c config_file] [-d] [-h] [-p port] [-v]
                 [--tls-keylog file]

 -c : specify the broker config file.
 -d : put the broker into the background after starting.
 -h : display this help.
 -p : start the broker listening on the specified port.
      Not recommended in conjunction with the -c option.
 -q : quiet mode - disable all logging types. This overrides
      any logging options given in the config file, and -v.
 -v : verbose mode - enable all logging types. This overrides
      any logging options given in the config file.
 --test-config : test config file and exit
 --tls-keylog : log TLS connection information to a file, to allow
      debugging with e.g. wireshark. Do not use on a production
      server.

See https://mosquitto.org/ for more information.