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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4
votes
1answer
447 views

Nagios plugin check_hwinfo not working

I am using Nagios to monitor Windows hosts. I am using Nagios 3.5 running on a Centos 7 server. The following packages have been installed from the official repositories and from the EPEL repository: ...
3
votes
1answer
29 views

Nagios erratic behavior when sending notification emails

I am having a really tough time setting up nagios3 to do what I want. Far too many config files and not sure where exactly the problem is as everything seems correct. First, notifications were sent ...
2
votes
1answer
334 views

Nagios Notification interval and first notification delay

I have used in past these two parameters in Nagios ( first_notification_delay, notification_interval ) and until now worked perfect for me. Now that I have added new checks which use nrpe command. the ...
2
votes
0answers
100 views

Nagios, nginx and external commands - not authorized

So we're going from Nagios 3 to Nagios 4, and as we've been a bit behind on our hosts, we wanted to do a fresh start. The setup I went for was: Debian Jessie Nagios 4.1.1 Lilac for configuration ...
1
vote
0answers
16 views

Nagios core 4.1.1 error: Unable to get process status

When start to connect through http://localhost/nagios, i could get "Daemon running with PID 2027 ". but connect through http://own_ip/nagios, i couldn't get "Daemon running status" instead its showing ...
1
vote
0answers
65 views

Nagios check_jstat

I'm trying to monitor java memory usage using nagios nrpe features. So I download and install check_jstat and install the plugin on the remote server. And when I ran it below is the result: OK: jstat ...
1
vote
0answers
45 views

How to manage third-party Nagios/Icinga plugins?

What is the recommended way to manage installed Nagios (or Icinga) plugins? At the moment all plugins on my system are installed from Debian/Ubuntu packages, so this takes care of updates, file ...
1
vote
0answers
827 views

UNKNOWN: No handler for that command

I have the check_task.vbs placed in C:\nsclient++\scripts on a Windows Server 2008 R2. I defined in the NSC.ini a NRPE Handler like this: [NRPE Handlers] check_task=cscript.exe //NoLogo ...
1
vote
0answers
332 views

nagios check fails on nagios host but works locally

I wrote a small bash script to use with nagios to check if nrpe is running. The check works locally when run as root, but fails from the monitoring host. From the host I'm trying to monitor, I ...
1
vote
0answers
124 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 ...
1
vote
0answers
375 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 ...
1
vote
0answers
349 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 ...
1
vote
0answers
311 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 ...
1
vote
0answers
49 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 ...
1
vote
0answers
135 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: ...
1
vote
0answers
375 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 ...
1
vote
0answers
2k 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). ...
1
vote
0answers
476 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 ...
1
vote
0answers
318 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 ...
1
vote
0answers
281 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 ...
1
vote
0answers
292 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 ...
1
vote
0answers
514 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 ...
1
vote
0answers
406 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 ...
1
vote
0answers
231 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 ...
1
vote
0answers
750 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 ...
0
votes
0answers
14 views

nagios custom script working locally, returns null in UI

I have a custom script that I've defined within my nagios command.cfg and service definitions. When run locally as nagios on the monitoring host, it returns the expected output (a large hash of stats ...
0
votes
0answers
11 views

PNP4Nagios mouseover options

I have successfully installed PNP4Nagios for graphing nagios performance data. However, I can't get the mouse over feature working under Nagios frames to display value on corresponding graph. Please ...
0
votes
0answers
22 views

socket timeout using check_http

I am trying to monitor version.json from nagios core 4.0.8 but it gives me a socket timed out error after 30 sec. I tried changing time but still it shows the same thing. My command.cfg is: define ...
0
votes
0answers
49 views

Nagios plugin check_udp works from command line, but fails when ran from Nagios

Nagios 4.1.1 Ubuntu 14.04 x64 Please note This is a new server. Our old Nagios server has this EXACT SAME config but on version 3 on RHEL, and it works. I have a custom command to check an OpenVPN ...
0
votes
0answers
27 views

Nagios plugin(check_nrpe) unable to communicate to Sensu Api

I am trying to do a simple Sensu integration with Nagios. I ran into some trouble with check_nrpe. So there is a NAGIOS server polling on a SENSU server. My nagios check script: ...
0
votes
0answers
32 views

Can we write an custom check for monitoring a process with Data Dog

I want to write an DataDog Check to monitor some process like Puma, delayed_job etc, I can see there are ready plugins available for these for nagios and Sensu but not for DataDog, But can I write my ...
0
votes
0answers
34 views

Nagios check_log reset to OK after notification

Fail2ban is installed on one of the servers, I'm able to ban every IP that try to log in. I'm using the check_log plugin of Nagios to capture the last line of the fail2ban.log, it compares to the ...
0
votes
0answers
230 views

How to install and configure Nagios-MNTOS?

I just tried to configure MNTOS for my 2 Nagios server. I'm very new to this tool. I do not get a clarity on the installation. Should i install MNTOS on a separate server or any of my 2 Nagios ...
0
votes
0answers
254 views

check_snmp plugin on nagios returns: External command error: snmpget: Authentication failure (incorrect password, community or key)

I’m trying to check the uptime of a Cisco 2960X switch on Nagios with check_snmp plugin but I always get the following error: [root@nagios]# /usr/lib64/nagios/plugins/check_snmp -P 3 -U snmpv3user -L ...
0
votes
0answers
77 views

How to forward incoming SNMP trap from Nagios To Other Application

I have a setup in which all devices are sending snmp traps to Nagios. I have a application behind Nagios which will processes snmp traps. Now what I want is every snmp trap coming to Nagios should be ...
0
votes
0answers
43 views

Icinga DB Monitoring Null output

Hi I have deployed icinga monitoring solution using the blog which is here Now I want to monitor multiple DB servers which are windows DB servers. I have placed the service description for DB ...
0
votes
0answers
92 views

chef nagios monitor node outside VPC in AWS

I used the chef community cookbook to setup nagios inside a VPC in AWS. All my nodes in my chef setup are found correctly and added to nagios automatically, and the nodes that are inside the VPC with ...
0
votes
0answers
52 views

SCOM 2012 - service flapping and notifications

I am trying to untangle SCOM 2012 install created by someone else and I noticed that alerts for the same monitor are being sent multiple times per hour littering my mailbox. From my previous ...
0
votes
0answers
152 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 ...
0
votes
0answers
45 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 ...
0
votes
0answers
539 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 ...
0
votes
0answers
324 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: ...
0
votes
0answers
92 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 ...
0
votes
0answers
1k 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 ...
0
votes
0answers
64 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 ...
0
votes
0answers
495 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 ...
0
votes
0answers
71 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 ...
0
votes
0answers
68 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 ...
0
votes
0answers
300 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: ...
-1
votes
0answers
9 views

Nagios - check_http and warning / critical on string match?

I have a web page I'd like to check. It's a dashboard that displays a list of things and whether those things are "OK", "WARN", or "CRIT". I'd like to create a check that looks at this page and goes ...