03-08-2019
Got it at last!! It's quite convoluted, so why not share and see if someone else might benefit or suggest how to improve it:-
- Create the Zabbix item in a template for the file as type log and key logrt[/path/to/log] with a history of 1 day and a refresh of 3 seconds (don't want old logs and need it reasonably up to date without hammering the servers) The logrt key allows it to cope with logs that are rotated.
- Assign the template to the required hosts, although in my case the template was already on several servers so it appears in various places straight away.
- Wait a few minutes for the data to be picked up, ensuring that some new data is actually written to the log.
- Determine the Zabbix item number for the log file on the particular host I'm interested in
- Use a web-request to get the log file from the Zabbix server
- Get the first record (stored so newest is at the top)
- Drop the log reference number (first item, tab separated)
- Hey presto, I have the message that I can display.
Quite a palaver. I'm also not sure if we have bespoke tools that do things like working out the item number or if having a webserver that can share the log files is default.
I hope that this helps someone. Does anyone think I need to add more detail on each step?
Robin
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LEARN ABOUT CENTOS
modemmanager
MODEMMANAGER(8) System Manager's Manual MODEMMANAGER(8)
NAME
ModemManager - modem management daemon
SYNOPSIS
ModemManager [--version] | [--help]
ModemManager [--debug] [--log-level=<level>] [--log-file=<filename>] [--timestamps] [--relative-timestamps]
DESCRIPTION
The ModemManager daemon provides a unified high level API for communicating with (mobile broadband) modems. While the basic commands are
standardized, the more advanced operations (like signal quality monitoring while connected) varies a lot.
ModemManager is a system daemon and is not meant to be used directly from the
command line.
OPTIONS
The following options are supported:
--version
Print the ModemManager software version and exit.
--help Print ModemManager's available options and exit.
--debug
Runs ModemManager with "DEBUG" log level and without daemonizing. This is useful for debugging, as it directs log output to the con-
trolling terminal in addition to syslog.
--log-level=<level>
Sets how much information ModemManager sends to the log destination (usually syslog's "daemon" facility). By default, only informa-
tional, warning, and error messages are logged. Given level must be one of "ERR", "WARN", "INFO" or "DEBUG".
--log-file=<filename>
Specify location of the file where ModemManager will dump its log messages, instead of syslog.
--timestamps
Include absolute timestamps in the log output.
--relative-timestamps
Include timestamps, relative to the start time of the daemon, in the log output.
SEE ALSO
NetworkManager(8).
31 October 2011 MODEMMANAGER(8)