syslog

The syslog service transfers MQTT messages to a local syslog server.

[config:syslog]
targets = {
              # facility    priority,  option
    'user'   : ['user',     'debug',  'pid'],
    'kernel' : ['kernel',   'warn',   'pid']
    }

Topic option	M/O	Description
title	O	application title (dflt: mqttwarn)

output:

Apr 22 12:42:42 mqttest019 mqttwarn[9484]: Disk utilization: 94%