בנושא: Few questions (monitoring time, specific service , event log).

[Jayson Broughton]

Ntt,
Here's an example from my nagios server that is checking mail services on a
windows server running nsclient++

/usr/local/nagios/etc/objects/commands.cfg 

# Check Windows Server Services
define command{
  command_name check_nt_service
  command_line /usr/local/nagios/libexec/check_nt -H $HOSTADDRESS$ -v
SERVICESTATE -p 12489 -d $ARG1$ -l $ARG2$ -t 60
}

This checks the service state of a specified service with a timeout of 60
seconds (I give a 60 second timeout because some of our windows servers are
clear across the country and timeout have been an issue in the past)

/usr/local/nagios/etc/objects/windows.cfg (We split up our servers, routers,
printers into separate config files)

define service{
  use				local-service
  host_name			MAILSERVER (whatever your server name is)
  service_description 	Merak Mail POP3/IMAP Service
  check_command		check_nt_service!SHOWALL!'Merak POP3 / IMAP'
  }


For for information run: ./check_nt --help | more in your libexec on the
server (wherever you put your nagios plugins)


~Jayson




-----Original Message-----
From: ntt broken [mailto:nttbroken at gmail.com] 
Sent: Tuesday, May 05, 2009 8:51 AM
To: Jim Avery
Cc: nagios-users at lists.sourceforge.net
Subject: [Nagios-users] בנושא: Few questions (monitoring time, specific
service , event log).

Hello Jim!
Thank you for the quick reply.

"NSClient++ does this very well." - Well, the question is how.
Sorry but I am only familiar with basic NSClient++ configurations and
didn't found documentation for more advanced features.

For example let assume I want to monitor if Messenger service (from
services.msc) is not started and get notification via mail.
NSCA is configured in the Nagios linux server – how I do the service
related configuration in the NSclient++.
Where I need to configure it? In the ini file? What is the syntax? Can
you give an example for the line/code/configuration I need to add in
the NSclient? Pls be more detailed (remember I am a noob).

One more question –
So I need to update all my NSClients in all my monitored servers if I
want the services mentioned to be monitored, right?
I can't configure it in the Nagios linux server , right?

Thanks for helping me with it.


2009/5/5, Jim Avery <jim at jimavery.me.uk>:
> 2009/5/5 ntt broken <nttbroken at gmail.com>:
>>
>>
>> 1. Time @ Nagios server & time @ Client (Windows server 2003) are the
>> same
>> and notify if there's difference between them.
>>
>> I don't know of any such plug-in that is capable of doing that, for
>> example
>> that it records the time on a remote server and send it to Nagios, then
>> when
>> Nagios receives it , than it should execute a script that would
>>
>> compare the received time value of remote server to its local time and
>> send
>> you the notification if those are different.
>
>
> Not too sure, but suggest you have a look in http://nagiosexchange.org
> and search there for "ntp".
>
>
>> 2. Monitor specific services (for example application's service)
>>
>> a) Get notifications if a service is not in started mode.
>
> NSClient++ does this very well.
>
>> b) Get notifications if there's CPU load above level given (this is
>> related
>> to a specific service and not to the general cpu load).
>
> Again, I believe NSClient++ will do this for you.  If not you can find
> a plugin on NagiosExchange which does and run it under NSClient++
>
>> I found out how to do this for the machine's CPU load (but not to a
>> specific
>> service).
>
>> 3. Get notification if a specific message appeared in the windows server
>> event log (warning and error).
>
>
> Again, use NSClient++ for this.
>
> http://nsclient.org/nscp/
>
> If you need a kick-start to get it all working, I can recommend
> Wolfgang Barth's book "Nagios" published by No Starch Press.
> http://nostarch.com/nagios_2e.htm
>
> hth,
>
> Jim
>

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