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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Monitor Dell hardware on ESXi 5.1 using check_esxi_hardware on Centreon

I installed Dell OpenManage on ESXi5.1 Host, which I'd like to monitor through Centreon. Since check_openmanage plugin is not to be used with ESXi (according to that post : DELL OpenManage 7.3 on ...
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1answer
14 views

nagios snmp switch config

I installed Nagios 4.1.1 on Centos7. Already added my Windows 7 PC, and two Windows servers. Now I wan't to add some switches. My problem is that I have not "check_snmp" installed. Already added the ...
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1answer
8 views

“Error: Could not complete SSL handshake. 5” in syslog of otherwise fine Nagios monitored host

I have a nagios server on ubuntu that monitors many other ubuntu servers. They have configured with chef, and they are correctly monitoring things over NRPE (i.e. the NRPE checks work. When something ...
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1answer
18 views

Nagios still send notifications for services during scheduled downtime

Three of my servers have a down time from 21:50 friday to 5:30 saturday. So I configured the following time period in timeperiod.cfg : define timeperiod{ timeperiod_name ...
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0answers
29 views

SNMPTT exec not working

We're using SNMPTT in a Nagios environment. My MIB works for all events, but 1. I can't figure out what's going on. When a trap comes in, I want it to execute a file, which will then handle the ...
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2answers
7 views

Passing argument to nrpe

Remote hosts nrpe.conf command[check_users]=/usr/lib64/nagios/plugins/check_users -w $ARG1$ -c $ARG2$ Monitoring host: define command{ command_name check_nrpe command_line /usr/...
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0answers
11 views

CHECK_NRPE: Error - Could not complete SSL handshake. win2003server

win2003k with nsclinet++ (remote host) 0.4.4.19 and ubuntu 16 serv with nagios (monitoring host). my nsclient.ini [/settings/default] allowed hosts = 127.0.0.1,::1,10.50.133.98 password = 12345 port=...
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2answers
24 views

NRPE error when using check_nrpe

I have 2 centos server Server 1 - centos 6.8 Server 2 - centos 6.7 Originaly I had the issue on Server 1 but was able to fix the issue I had with the fix explained here NRPE unable to read output,...
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0answers
12 views

check_cluster arguments aren't being parsed

trying to create a cluster check for a http service check on a large (~80 node) cluster. I'd like it to warn @ 40+ nodes in a non-ok state, crit @ 60+ nodes in a non-ok state. command definition is: ...
0
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1answer
27 views

Nagios3 saying localhost is down on ping, but no ping check is written

Nagios3 and Ubuntu 14 with ping requests disabled. The localhosts keeps reporting in the GUI nagios interface that it is down. This is the default "localhost_nagios2.cfg" found in the conf.d dir ...
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1answer
11 views

nagios/icinga flapping notifications not sent?

I've seen this on nagios and on my current icinga installation. I have flap detection turned on. I have my contact definition set to: service_notification_options w,u,c,r,f ...
2
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1answer
33 views

Check_MK: How do I create Notifications based on groups of services instead of just one service?

I'd like to be able to create a notification that alerts based on the availability of a group of services, instead of just one threshold. For example, say I have 10 AWS servers that all do the same ...
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0answers
17 views

Nagios configuration files issue

I am using nagios core 3.3.1 and have added some service groups and corresponding dependencies. While trying to verify if my configurations are correct, I run the following command: /usr/local/nagios/...
0
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1answer
66 views

Write to file (Nagios3)

I try to make script/command in nagios3 at write in new file some data but nagios will not do that. I try that simple bash command: printf "something" > /path-to-file/new-file But nagios don't ...
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0answers
26 views

Zabbix-like reporting to multiple servers with Nagios

A nice feature of more recent Zabbix versions is its ability to set up active Zabbix agents in such a way that the reports are being send to multiple Zabbix servers (Multiple servers for active agent? ...
0
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1answer
28 views

check_nrpe: ssocket time out after 10 seconds

I have a Nagios core setup in my environment for monitoring Windows, Linux servers etc. Recently i have configured a physical and swap memory monitoring using the plugin ./check_nrpe for windows ...
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0answers
34 views

check_cluster plugin always returns ok

trying to create a cluster check for a http service check on a large (~80 node) cluster. But no matter what the state of the individual service checks, it always returns OK (in this example, cm02 and ...
0
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1answer
26 views

Adding nagios plugins to nconf schema

I've got nagios and nconf installed and I'm starting to add host and service definitions. What I notice though is a large discrepancy between the list of available nagios modules which can be used to ...
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2answers
44 views

Can configure Nagios to send notification based on a certain percentage of services down in a particular hostgroup?

Let's say we have a hostgroup of 100 hosts, all of which are being monitored for service X. Let's say this service goes down across all hosts. Rather than receiving 100 separate alerts, I'd like to ...
0
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1answer
18 views

Icinga monitoring, random “Connection refused by host”

I have a Nagios/icinga monitoring system, which i use to monitor mainly Windows based machines running a version of NSClient++ that i found works without being too annoying (NSCP-0.4.1.105-x64). This ...
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0answers
121 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 ...
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2answers
62 views

Monitoring IBM server hardware without IMM port connection

We have a lot of IBM x86 servers that we need to monitor for hardware issues(disk failure/temperature/fans). Around 50% of them have IMM ports hooked up and we are able to monitor for SNMP traps using ...
0
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1answer
69 views

Script executed by Nagios notification not send mail

i've running a new nagios (server 3.5.1) system. all checks works fine [1461932408] SERVICE NOTIFICATION: nagiosadmin;appserver;Swapfile;CRITICAL;notify-service-by-email;CHECK_NRPE: Socket timeout ...
1
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1answer
48 views

Should I install Nagios on the pfsense?

I'm planning to install Nagios, but I'm not sure if there is a package for pfsense, or can I install separated from pfsense but on the same machine? Anyone had experience with that? Second part of ...
0
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1answer
27 views

New nagios install segfaults on startup

I'm having some nagios trouble which I hoped to solve by a clean install, but no dice. I retrieved https://assets.nagios.com/downloads/nagioscore/releases/nagios-4.1.1.tar.gz, and did as little as ...
2
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1answer
29 views

Nagios place child service under parent

I'm looking for a way to structure services been monitored so that I can set a parent service above the child services and that only notifications are triggered if the parent experiences an outage ...
0
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0answers
21 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 ...
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0answers
28 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
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1answer
39 views

nrpe user cant properly execute script remotely using lsof, netstat works

I created a simple script for nagios to check a port on a remote server. Originally, I tried to use lsof. #!/bin/bash RESULT=$(lsof -i :8080 | grep LISTEN) if [ -n "$RESULT" ] then echo "$...
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0answers
31 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 ...
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99 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 ...
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1answer
23 views

NRPE: Command line success vs Web error

I've got about 10 machines configured with nrpe and Dell's OMSA to report to nagios. For each of those machines, output on the command line from the nagios server a la ./check_nrpe -H $HOSTNAME -c ...
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1answer
67 views

nagios 4.1.1 can't start in Centos 6.0

after runing: /usr/local/nagios/bin/nagios -v /usr/local/nagios/etc/nagios.cfg Nagios Core 4.1.1 Copyright (c) 2009-present Nagios Core Development Team and Community Contributors Copyright (c) 1999-...
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1answer
22 views

Nagios check_http configuration error

I have to remove custom HTTP check from nagios so commented check_http part in two files namely 1. commands.cfg 2. services.cfg However when I restarted server, I get following error. Checking ...
1
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1answer
13 views

Group several Nagios notifications in a single email

I have a set of passive checks that I update once a week. I want to set up email notifications. I would like that a single email is sent. This email would contain the list of all services in error. Is ...
0
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1answer
61 views

Nagios Check showing Wrong Output, while plugin in remote System showing correct output

I have created a script check_pm2.sh to check pm2 status on Remote server ,its giving correct output on Remote server while calling it from Monitoring server i am getting wrong output.Please check ...
1
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1answer
33 views

Nagios user able to run check, but fails when ran with su - nagios -c?

Forgive me if this is answered somewhere already - I find lots of similar questions but nothing that seems to fix my issue. I am simply testing the uptime of some windows servers in nagios, and if it'...
0
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2answers
106 views

Nagios define service for nrpe command in Windows environment

I'm trying to configure Nagios to monitor our network which is all Windows based. I'm totally new to it, so please forgive my naiveness. Fact is: I'm banging my head over a task. What I want to ...
0
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1answer
270 views

Cannot open config file when installing nagios

When trying to setup nagios, I'm running into some errors. Error: Cannot open config file ‘/usr/local/nagios/etc/hosts.cfg ;new file added ‘ for reading: No such file or directory Error processing ...
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0answers
77 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: /usr/lib64/nagios/...
0
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1answer
88 views

nagios event handler restart remote service

I Need to use the nagios event handler to restart ntp services. My restart scripts 1: cat /usr/lib64/nagios/plugins/remote-restart #!/bin/bash echo "ok" /etc/init.d/ntpd restart echo "done" 2: ...
0
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2answers
72 views

Nagios NRPE: unable to read output for custom check

I have written a custom ruby script to check disk usage for each volume on an ubuntu server. The servers are controlled by puppet and the nagios system has been running for years and contains a number ...
0
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3answers
143 views

Permission denied when running nagios plugin

I just wrote a simple bash script that check if filesystem is working writing and deleting a file, but when I put it into Nagios, it never runs as expected. root@debian:~# cat /usr/lib/nagios/plugins/...
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0answers
89 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 ...
2
votes
3answers
834 views

nagios.service start operation timed out. Terminating

I have a Centos 7 Box on which I have installed Nagios and then migrate all the config files from an old Centos box. Everything looks fine, nagios -v doesn't return any error. However, systemd is ...
0
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0answers
37 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
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1answer
37 views

Nagios nrpe custom plugin command not defined on localhost

I have written a custom nagios plugin which is returning a command not defined error. I have not yet placed the command in nrpe.cfg or defined the service, etc as this is controlled by puppet and any ...
0
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0answers
47 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
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1answer
177 views

Disadvantages of current condition monitoring and failure prediction system [closed]

I have a question, which good solutions (software/hardware) have been developed and applied in enterprise for online failure prediction? Zabbix, Openstb, Cacti and similar alternatives ? Can you list ...
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1answer
102 views

Nagios alert by email for WARNING [closed]

I want to set Nagios up to issue warnings (e.g. mildly high disk usage of clients) via email. I'm new to nagios core, so please assist me to achieve this. what changes I have to make in config files ...