Nagios is a powerful monitoring system that enables organizations to identify and resolve IT infrastructure problems before they affect critical business processes.

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Monitoring maximum number of locks in PostgreSQL with Nagios

I'm wondering if the limit for the number of locks in PostgreSQL is fixed, or if it depends on the number of open connections. The docs say the limit is max_locks_per_transaction * (max_connections + ...
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58 views

Trying to auto-register a Nagios NSCA client

I am setting up Nagios monitoring using NSCA to report in from monitored hosts and all monitoring is using passive checks. Currently the monitored hosts each have a configuration file in the nagios ...
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135 views

Nagios check_http gives 'HTTP/1.0 503 Service Unavailable' for HAProxy'd site

I asked this on stackoverflow, but I think it's better suited for here. Can't figure this one out! OS: CentOS 6.6 (Up-To-Date) I get the following 503 error when using my nagios check_http check ...
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59 views

timeout errors from nagios / SNMP

Am monitoring ~100 remote hosts via a VPN using check_snmp_process.pl. For many months this has worked just fine. Over the weekend I started seeing ERROR: Alarm signal (Nagios time-out) errors from ...
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113 views

“no data was received from host” Nagios Alarm only on Windows service checks

I've got a standard Nagios install monitoring 524 hosts and 912 service checks. I'm seeing a strange problem as far as it relates to monitoring if a service is running on windows server. It seems ...
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179 views

NRPE (Winrpe) Powershell Command - Unable to read output in Nagios

I'm trying to run an Powershell script from NRPE.cfg and get the output in Nagios. When i run the script on the local (Windows) server, everything is just fine. But when i put it in the NRPE.cfg en ...
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181 views

Nagios 3.5 can't send notification email despite nagios logs ok / centos6

I spent hours trying to make nagios send email notification. my contact configuration is quite simple : I juste have one : nagiosadmin, and he is the default contact. In /var/log/nagios.log, nagios ...
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85 views

icinga-web not updating icinga status properly

I have a problem similar to this one... if you look at the photo there, you'll see that the icinga server is marked as down. I checked everything according to the answer given there, but it has ...
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39 views

Icinga Performance issue when using many service groups

We have an Icinga installation with more than 3k active service checks. Performance is acceptable. We're already using the use_large_installation_tweaks option. We have now started to build a ...
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69 views

NagiosXI- Configuration verification failed

I am using check_ping command to check connection statistics of remote host. When I run the above command on command line, it gives me proper output, shown below: Syntax: ...
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1k views

Nagios: check services being orphaned?

Recently I noticed that there are some warnings in the nagios.log: [1366060611] Warning: The check of service 'pt-deadlock-logger' on host 'xx' looks like it was orphaned (results never came back). ...
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324 views

Can I hide hosts with “No matching services” in Nagios Groups?

In the Nagios web interface, I want to offer a user access to particular services on one particular host: "you can monitor the status of http and your wordpress installation". It works well in the ...
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218 views

How to integrate RTIR with Nagios

I have installed RTIR with RT v 3.8.4. I have also Nagios installed for monitoring a number of our servers. Now, in the download website of RTIR (http://www.bestpractical.com/rtir/features.html), it ...
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225 views

How to test that an exported resource in puppet exists after collecting?

I want to create a nagios_hostgroup if some hosts exists. For creating hosts in nagios I am using exported resources which I collect on the monitoring server. How can I test that a exported ...
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274 views

user management for host monitoring with ninja

I need some help with ninja for host monitoring(http://www.op5.org/community/plugin-inventory/op5-projects/ninja). Sorry for this long description but I hope this will help you to help me better. We ...
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437 views

Livestatus doesnt work with Nagios on FreeBSD

Im trying to use livestatus with nagios on FreeBSD. I've managed to compile and configure it, but Nagios doesnt seem to be loading the module and dont produce any errors. Other info: $ grep broker ...
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350 views

how to access virtual machine behind NAT from public network

I have a 1&1 hosting dedicated server (linux centos 5.x with plesk) (IP 74.208.98.x) and configured a nagiosxi virtual machine to run in NAT mode under VMware player 4.0. because i unable to use ...
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199 views

check_nrpe and non-fixed counter names

For some counters I have noticed Windows convently does provide a stable name for them, for example: \.NET Data Provider for SqlServer(_lm_w3svc_3_root-1-123412341234[6789]\Number of Free Conections ...
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701 views

nagios & nagiosgrapher & check_disk -A

I check most Host(group)s with check_disk -A .... Because of the fact that i have many machines with many different mounted filesystem, i do not want to make extra checks for every mounted drive. Now ...
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32 views

Nagios - Only Want Alert if Service Failed for 15 minutes

I read through the documentation and thought my services would alert me 15 minutes after going critical, but I am getting the emails right away. /etc/nagios/nagios.cfg command_check_interval=1 ...
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13 views

Command piped - nagios information status not expected

First of all, thanks for reading. I am configuring a new service, basicly this checks the number of entries on de home directory, is very simple. define service{ use ...
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261 views

Nagios - Could not complete SSL handshake

I'm trying to configure Nagios command for checking status of physical memory on a remote Windows host using NRPE plugin. I'm using Nagios v3.0.6 on Ubuntu Server v14.10, and latest stable version of ...
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65 views

how to monitor lxc services in production server

I want to monitor services running in lxc such as nginx, node, database, ect.. I have installed lxc in our production server to have service run in separate containers like database run in one lxc ...
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23 views

Nagios authentication when calling CGIs?

I'm trying to use the new JSON CGI that comes with Nagios 4.0.x as part of a website. The CGI returns JSON strings when executing for example this URL: ...
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39 views

Nagios plugin quits when encountering the bc command— how to diagnose?

I've written a nagios plugin using the bash scripting language. When I run this script by hand it works with no issue. Putting it into a nagios plugin however, using the same parameters, leads to ...
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122 views

Nagiosgraph mouseover fails

I have setup Nagios 4 together with Nagiosgraph and they are both working perfect. However the javascript Mouseover effect does not work. I have copied the following line in ...
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116 views

Nconf can't generate & deploy Nagios configuration (SELinux)

this is my 1st post here. I'm having trouble with getting NConf (Nagios configuration tool) work with Nagios under CentOS 6.5 (64bit) with SELinux enabled. NConf wasn't able to generate & deploy ...
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54 views

Nagios Core 3 Check_AS400

I'm monitoring several iseries LPARS with Nagios 3.5.1 running Ubuntu 14.04. I downloaded the .CLASS check_AS400 plugin and followed the instructions. I have a hidden file .as400 that houses the sign ...
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291 views

Nagios 4 on Centos 7 - Old server

I am trying to install Nagios 4 on an old Pentium 4 machine running Centos 7. I have installed the OS from the x86_64 ISO provided at the website. Nagios is downloaded with wget from Sourceforge. I ...
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35 views

Nagios XI- Different Access Permissions to Different Users

I am having 22 Linux servers configured and being monitored in Nagios XI. I have created a user, apart from nagiosadmin (the admin user), to whom I have to give access to only 4 servers, so that he ...
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59 views

PNP4Nagios graphs page customization - graphs in columns

I am trying to customize page with with graphs of pnp4nagios, because I want to make a set of graphs which I will use on my wall TV/monitor. But there is a lot of space left on right side, so I want ...
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31 views

How to monitor primary and backup nodes

Currently we are running Nagios 3 on Linux which monitors Node-A (Primary) . As part of a new requirement (Geo-cluster support), we introduced a Backup Node (Node-B) for above primary node so that ...
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192 views

'check_tomcat.pl' plugin returning CRITICAL: /manager/status?XML=true HTTP/1.1 404 Not Found

I don't know what I'm doing wrong. I'm trying to use this plugin, check_tomcat.pl but it doesn't seem to be configured correctly. Keeps returning the error: CRITICAL: ...
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193 views

Percona-Nagios-Plugins: pmp-check-mysql-status not showing information properly, what could be the cause?

I've downloaded Percona's Nagios monitoring tools and started setting them up, but I have some problem with one of the checks (the only one I've tried so far). I have this command in ...
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93 views

Nagios sends out emails with Attachments

I use NSCLIENT to run a custom powershell script that echos a few lines of text. From what I noticed, after echoing more than 2 lines, the alerts received via email from Nagios have the body empty and ...
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17 views

CheckMK template does not show up

I following this checkmk guide to monitor disk parameters: http://dev.vemarsas.it/documents/32 I restarted the nagios multiple times and rescanned the hosts. Any idea why?
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68 views

Nagios external commands getting processed intermittently

I have a script that runs every 10 mins that updates the Host Comments field in Nagios. There are about 600 hosts and I am seeing some issues. The script deletes the previous comments and adds new ...
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63 views

NagiosXI: Changing default view of performance graphs

I have been using NagiosXI and in order to display performance graphs, it comes with two utilities- Graph Explorer and pnp4nagios. By default, pnp4nagios would show the details in 24-Hour view. How ...
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73 views

Adding services to NagiosXI

I am trying to configure nagiosgraph-1.5.1 in NagiosXI installed on RHEL6.1. I have followed this guide and everything worked fine till some point. Under the subheading "Adding Service to ...
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834 views

It appears as though you do not have permission to view information for any of the hosts you requested

I am getting the above error whilw logged in as nagios admin user. I am copying the file objects.cache and status.dat from remote server to get the updated to this machine,I am logging in as ...
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89 views

Monit send alert to nagios NSCA

I want to monitor a web with monit check host function and if the site is down then alert it to nagios nsca so it sends the info to nagios and nagios marks it as status OK or host down for example. ...
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48 views

Is it possible to check using nagios, if a group X is denied access a particular file/folder in Windows

This is basically a GPO key that has been applied and need to check if the key is in place/working which involves restricting a group of users from accessing a particular file or folder using a ...
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287 views

process-host-perfdata-file or process-service-perfdata-file command doesn't seem to be always triggered

Using Nagios 3.5.1 and pnp4nagios 0.6.20 successfully for a moment. Once in a while Nagios simply stop triggering the command process-host-perfdata-file or/and process-service-perfdata-file. These ...
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61 views

Nagios custom plugin issue - https authetication

I am writing a plugin to check authentication to a https site and then search for a text in the response html,body to confirm successful login. I have created the following plugin #!/bin/bash ...
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55 views

Get unused Nagios both services and commands

I have a monitoring server, based on Nagios 3.2.3, installed via source code, and using GroundWork Monitor Architect for managing Nagios configurations. My question is if possible (and how to) get a ...
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185 views

Nagios nrpe commands error out with asterisk

as the nrpe user when Command: /scripts/nagisk.pl -c version Outputs: Asterisk 1.8.11-cert10 Using nrpe Command: /usr/lib/nagios/plugins/check_nrpe -H [HOSTNAME] -c check_asterisk_version Outputs: ...
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179 views

Nagios send notification when back in notification_period

I have disabled notifications during certain time periods, like so: define timeperiod{ timeperiod_name test alias Except test Hours monday ...
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161 views

Monitoring by Nagios when issue is created in Jira

Can I use nagios to monitor whether the correct way are assumed Task. Task will be created with a mail handling. Do I even be possibility do something like that? Regards Michael
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58 views

Nagios: parent host is not supressing recovery messages from child host services

Using the Network Reachability document, I've assigned the main routers on various networks as parent hosts to all hosts in their respective networks. When those networks go offline, I'm only notified ...
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218 views

Amazon EC2 Monitoring with Nagios Not working

I have setup the Nagios on a OpenSuse Server and it is working fine. I am trying to monitor a cloud instance using "Check_AWS_CloudWatch_metrics" ...