Internal Server Error Occuring when trying to access Nagios on the browser

[Ifeanyi Agu]

Hello all,

I have Nagios running on my system currently. I purposely shut down one of my sites and Nagios to monitor it. From the browser it's telling me that there is a problem which is ok for me but it does not send me a mail. I checked nagios log and this is what I saw

1282660775] SERVICE ALERT: seamfix;HTTP;CRITICAL;HARD;4;HTTP CRITICAL: HTTP/1.1 503 Service Temporarily Unavailable - 616 bytes in 1.649 second response time
[1282660775] SERVICE NOTIFICATION: nagiosadmin;seamfix;HTTP;CRITICAL;notify-service-by-email;HTTP CRITICAL: HTTP/1.1 503 Service Temporarily Unavailable - 616 bytes in 1.649 second response time

Is there any other thing I need to set on my OS (am using Cent OS) to get the mail to start working. Thanks

Ifeanyi Agu

08063728802

--- On Thu, 26/8/10, Jim Avery <jim at jimavery.me.uk> wrote:

From: Jim Avery <jim at jimavery.me.uk>
Subject: Re: [Nagios-users] Internal Server Error Occuring when trying to access Nagios on the browser
To: "Nagios Users List" <nagios-users at lists.sourceforge.net>
Date: Thursday, 26 August, 2010, 9:10 AM

On 26 August 2010 08:54, Ifeanyi Agu <ifepet2002 at yahoo.com> wrote:
>
> Thank all for the help so far.
>
> My Nagios is running now.

Well done.


>
> Many of the sites I want to monitor are Java based sites. I want to know whether Nagios would report that the site is down if for instance Apache Tomcat or the db service is not running.



If the services are on a Windows server, you can check whether they
are up either using an SNMP query ( the check_snmp_win plugin which
you'll find at http://nagios.manubulon.com/ ), or if you would prefer
not to use SNMP, then look at the NSClient++ agent for Nagios at
http://nsclient.org/nscp/ .  For simple web sites you can use
check_http to test that the web page is up and running too.

If you want a head start in understanding how the various plugins,
agents and add-ons for Nagios fit together, I recommend the book
"Nagios" by Wolfgang Barth published by No Starch Press.  It gives a
really good explanation from first principles and goes in to plenty of
detail too.

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