Fwd: Re: [Check_mk (english)] Check manual page of check_dns

[Philippe Duthoit]

Hello

As suggested in the mail I'm contacting help at monitoring-plugins.org 
about the usage of plugins

I am aware how to use the plugin itself, but I'm having diffuculties 
understanding how to use the plugin in check_mk ?

If I need to run the plugin on the remote host in the pluging dir I 
clearly need to wrap it and evaluate the outcome, but this looks like 
developing a new script myself, so I think I'm missing some mindset here 
in how these things are used ?

Running the plugin on the monitoring server also seems weird

Any suggestions ?

Tia



-------- Forwarded Message --------
Subject: 	Re: [Check_mk (english)] Check manual page of check_dns
Date: 	Fri, 6 Oct 2017 09:27:48 -0700
From: 	Paul D <paulmonitoring at gmail.com>
To: 	Philippe Duthoit (3E) <Philippe.Duthoit at 3e.eu>
CC: 	checkmk-en at lists.mathias-kettner.de 
<checkmk-en at lists.mathias-kettner.de>



Run the plugin from the command line and you will see what input options 
you have.

[root at myhost ~]# 
/opt/omd/versions/1.4.0p11.cre/lib/nagios/plugins/check_dns --help
check_dns v2.2 (monitoring-plugins 2.2)
Copyright (c) 1999 Ethan Galstad <nagios at nagios.org 
<mailto:nagios at nagios.org>>
Copyright (c) 2000-2008 Monitoring Plugins Development Team
<devel at monitoring-plugins.org <mailto:devel at monitoring-plugins.org>>

This plugin uses the nslookup program to obtain the IP address for the 
given host/domain query.
An optional DNS server to use may be specified.
If no DNS server is specified, the default server(s) specified in 
/etc/resolv.conf will be used.


Usage:
check_dns -H host [-s server] [-a expected-address] [-A] [-t timeout] 
[-w warn] [-c crit]

Options:
  -h, --help
     Print detailed help screen
  -V, --version
     Print version information
  --extra-opts=[section][@file]
     Read options from an ini file. See
https://www.monitoring-plugins.org/doc/extra-opts.html
     for usage and examples.
  -H, --hostname=HOST
     The name or address you want to query
  -s, --server=HOST
     Optional DNS server you want to use for the lookup
  -a, --expected-address=IP-ADDRESS|HOST
     Optional IP-ADDRESS you expect the DNS server to return. HOST must 
end with
     a dot (.). This option can be repeated multiple times (Returns OK 
if any
     value match). If multiple addresses are returned at once, you have 
to match
     the whole string of addresses separated with commas (sorted 
alphabetically).
  -A, --expect-authority
     Optionally expect the DNS server to be authoritative for the lookup
  -w, --warning=seconds
     Return warning if elapsed time exceeds value. Default off
  -c, --critical=seconds
     Return critical if elapsed time exceeds value. Default off
  -t, --timeout=INTEGER
     Seconds before connection times out (default: 10)

Send email to help at monitoring-plugins.org 
<mailto:help at monitoring-plugins.org> if you have questions regarding
use of this software. To submit patches or suggest improvements, send email
to devel at monitoring-plugins.org <mailto:devel at monitoring-plugins.org>


On Fri, Oct 6, 2017 at 9:02 AM, Philippe Duthoit (3E) 
<Philippe.Duthoit at 3e.eu <mailto:Philippe.Duthoit at 3e.eu>> wrote:

    Hi List,

    I want to perform an active DNS check on my bind server but the
    pages are not giving me extra info (excuses for being rather n00b on
    this)

    https://mathias-kettner.com/checkmk_check_check_dns.html
    <https://mathias-kettner.com/checkmk_check_check_dns.html>

    A few hints probably will make me go “Aaah”

    Tnx


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