Re: [Nagios-users] Connection refused question
Mark ,
first - please always post your questions to the list , you'll get faster
answers and will share the
knowledge earned with other members .
As for your issue , see below :
Background info:
SSH Service: Reconfigure to non-standard port. 22 = 2270
HTTPD Service: Reconfigure to non-standard port. 80 = 8080 (I've got
multiple web servers on the LAN serving different purposes. Apache on
the Nagios server, (this server is my sandbox) listens on port 8080.
In the localhost.cfg file:
=
define host{
use linux-server; Name of host
template to use
; This host
definition will inherit all variables that are defined
; in (or
inherited by) the linux-server host template definition.
host_name localhost
alias localhost
address 127.0.0.1
}
define service{
use local-service ; Name of
service template to use
host_name localhost
service_description HTTP
check_command check_http
notifications_enabled 1
}
==
in the services.cfg file
===
# 'check_http' command definition
define command{
command_namecheck_http
command_line$USER1$/check_http -I $HOSTADDRESS$ $ARG1$
}
since you define a command to wait a argument , you need to supply that in the
command call in the
check execution - meaning in the declaration of the service .
so your service definition should be something like this :
define service{
use local-service ; Name of service
template to use
host_name localhost
service_description HTTP
check_command check_http!$ARG1$
notifications_enabled 1
}
where $ARG!$ is the -p 8080 string you with to direct the HTTP request to .
Assaf
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Linux System Administrator
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Re: [Nagios-users] Connection refused question
Mark
First - welcome the a world of wonder (meaning nagios) .
Second - the nagios install comes with a complete set of documentation you can
access via the wen
interface .
And for your question - the file containing the definitions you are looking for
is called either
commands.cfg or misccommnd.cfg , it resides in the etc directory of the nagios
installation .
most likely you'll find a command called check_http with no parameters , that
is because it is going
to the default ports , RTFM and made the modifications .
Good luck .
Assaf
On Saturday 28 February 2009 00:32:05 Mark Weaver wrote:
Brian A. Seklecki wrote:
My question is where in the nagios configuration do I change the setting
so nagios knows what ports these two services are listening on?
$ egrep -ir check_(ssh|http) in your {/usr/local,}/etc/nagios config
dir:
$ /usr/local/libexec/nagios/check_http -h|grep -i port
strings and regular expressions, check connection times, and report on
Usage: check_http -H vhost | -I IP-address [-u uri] [-p port]
Append a port to include it in the header (eg: example.com:5000)
-p, --port=INTEGER
Port number (default: 80)
Connect via SSL. Port defaults to 443
Minimum number of days a certificate has to be valid. Port defaults to
443
$ /usr/local/libexec/nagios/check_ssh -h|grep -i port
Try to connect to an SSH server at specified server and port
Usage:check_ssh [-46] [-t timeout] [-r remote version] [-p port]
host
-p, --port=INTEGER
Port number (default: 22)
Adjust the templates as nessecary, or customize.
Great books out there, too, eat em up!
~BAS
Hi Brian,
While I appreciate your reply I have absolutely no idea what you said.
As I mentioned earlier I'm a complete noobie when it comes to Nagios.
I.e. this is my first time ever exposure to this system. i've been all
over the config file and I can't find anywhere where it would appear you
could set the ports services run on for a given host.
Do they even exist?
Mark
---
--- Open Source Business Conference (OSBC), March 24-25, 2009, San
Francisco, CA -OSBC tackles the biggest issue in open source: Open Sourcing
the Enterprise -Strategies to boost innovation and cut costs with open
source participation -Receive a $600 discount off the registration fee with
the source code: SFAD http://p.sf.net/sfu/XcvMzF8H
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::: sent to /dev/null
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Linux System Administrator
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IMPORTANT . this email and the information in it may be confidential, legally
privileged and/or protected by law. It is intended solely for the use of the
person to whom it is addressed. If you are not the intended recipient, please
notify the sender immediately and do not disclose the contents to any other
person, use it for any purpose, or store or copy the information in any medium.
Please also delete all copies of this email and any attachments from your
system.
We cannot guarantee the security or confidentiality of email communications. We
do not accept any liability for losses or damages that you may suffer as a
result of your receipt of this email including but not limited to computer
service or system failure, access delays or interruption, data non-delivery or
mis-delivery, computer viruses or other harmful components.
Copyright in this email and any attachments belong to Select Service Partner UK
Limited. Should you communicate with anyone at Select Service Partner UK
Limited by
email, you consent to us monitoring and reading any such correspondence.
Nothing in this email shall be taken or read as suggesting, proposing or
relating to any agreement concerted practice or other practice that could
infringe UK or EC competition legislation.
Select Service Partner UK Limited is a company registered in England and Wales
(company number 05687183) whose registered office is at 1 The Heights,
Brooklands, Weybridge. Surrey. KT13 0NY
--
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-OSBC tackles the biggest issue in open source: Open Sourcing the Enterprise
-Strategies to boost innovation and cut costs with open source participation
-Receive a $600 discount off the registration fee with the source code: SFAD
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Re: [Nagios-users] Connection refused question
Note that most plugins can be executed from the shell prompt with a --help option. For example: $ /usr/local/nagios/libexec/check_http --help will tell you what all the possible options are for this plugin, including how to check a particular port number. It's usually best to make sure you're happy that the plugin is working by executing it yourself from the shell prompt before configuring it in the nagios config files. hth, Jim -- Open Source Business Conference (OSBC), March 24-25, 2009, San Francisco, CA -OSBC tackles the biggest issue in open source: Open Sourcing the Enterprise -Strategies to boost innovation and cut costs with open source participation -Receive a $600 discount off the registration fee with the source code: SFAD http://p.sf.net/sfu/XcvMzF8H ___ Nagios-users mailing list Nagios-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/nagios-users ::: Please include Nagios version, plugin version (-v) and OS when reporting any issue. ::: Messages without supporting info will risk being sent to /dev/null
[Nagios-users] Connection refused question
Hi all, I'm a total noob with Nagios. I've just completed the installation of Nagios on a server that is going to be the Nagios server. Once I got it compiled and running I started making some other modifications to other services on the system such as apache and ssh. What I did was change the ports on which these two services are listening on. Now I'm getting notifications that are telling me that connection attempts to these services are being refused. I strongly suspect it's because apache and ssh aren't listening on the default ports of 80 and 22. My question is where in the nagios configuration do I change the setting so nagios knows what ports these two services are listening on? thanks, Mark -- Open Source Business Conference (OSBC), March 24-25, 2009, San Francisco, CA -OSBC tackles the biggest issue in open source: Open Sourcing the Enterprise -Strategies to boost innovation and cut costs with open source participation -Receive a $600 discount off the registration fee with the source code: SFAD http://p.sf.net/sfu/XcvMzF8H ___ Nagios-users mailing list Nagios-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/nagios-users ::: Please include Nagios version, plugin version (-v) and OS when reporting any issue. ::: Messages without supporting info will risk being sent to /dev/null
Re: [Nagios-users] Connection refused question
My question is where in the nagios configuration do I change the setting
so nagios knows what ports these two services are listening on?
$ egrep -ir check_(ssh|http) in your {/usr/local,}/etc/nagios config
dir:
$ /usr/local/libexec/nagios/check_http -h|grep -i port
strings and regular expressions, check connection times, and report on
Usage: check_http -H vhost | -I IP-address [-u uri] [-p port]
Append a port to include it in the header (eg: example.com:5000)
-p, --port=INTEGER
Port number (default: 80)
Connect via SSL. Port defaults to 443
Minimum number of days a certificate has to be valid. Port defaults to
443
$ /usr/local/libexec/nagios/check_ssh -h|grep -i port
Try to connect to an SSH server at specified server and port
Usage:check_ssh [-46] [-t timeout] [-r remote version] [-p port]
host
-p, --port=INTEGER
Port number (default: 22)
Adjust the templates as nessecary, or customize.
Great books out there, too, eat em up!
~BAS
--
Open Source Business Conference (OSBC), March 24-25, 2009, San Francisco, CA
-OSBC tackles the biggest issue in open source: Open Sourcing the Enterprise
-Strategies to boost innovation and cut costs with open source participation
-Receive a $600 discount off the registration fee with the source code: SFAD
http://p.sf.net/sfu/XcvMzF8H
___
Nagios-users mailing list
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::: Messages without supporting info will risk being sent to /dev/null
Re: [Nagios-users] Connection refused question
Brian A. Seklecki wrote:
My question is where in the nagios configuration do I change the setting
so nagios knows what ports these two services are listening on?
$ egrep -ir check_(ssh|http) in your {/usr/local,}/etc/nagios config
dir:
$ /usr/local/libexec/nagios/check_http -h|grep -i port
strings and regular expressions, check connection times, and report on
Usage: check_http -H vhost | -I IP-address [-u uri] [-p port]
Append a port to include it in the header (eg: example.com:5000)
-p, --port=INTEGER
Port number (default: 80)
Connect via SSL. Port defaults to 443
Minimum number of days a certificate has to be valid. Port defaults to
443
$ /usr/local/libexec/nagios/check_ssh -h|grep -i port
Try to connect to an SSH server at specified server and port
Usage:check_ssh [-46] [-t timeout] [-r remote version] [-p port]
host
-p, --port=INTEGER
Port number (default: 22)
Adjust the templates as nessecary, or customize.
Great books out there, too, eat em up!
~BAS
Hi Brian,
While I appreciate your reply I have absolutely no idea what you said.
As I mentioned earlier I'm a complete noobie when it comes to Nagios.
I.e. this is my first time ever exposure to this system. i've been all
over the config file and I can't find anywhere where it would appear you
could set the ports services run on for a given host.
Do they even exist?
Mark
--
Open Source Business Conference (OSBC), March 24-25, 2009, San Francisco, CA
-OSBC tackles the biggest issue in open source: Open Sourcing the Enterprise
-Strategies to boost innovation and cut costs with open source participation
-Receive a $600 discount off the registration fee with the source code: SFAD
http://p.sf.net/sfu/XcvMzF8H
___
Nagios-users mailing list
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https://lists.sourceforge.net/lists/listinfo/nagios-users
::: Please include Nagios version, plugin version (-v) and OS when reporting
any issue.
::: Messages without supporting info will risk being sent to /dev/null
