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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18 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
16 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 ...
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1answer
37 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 ...
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1answer
18 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
16 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
23 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
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
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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 ...
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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 ...
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1answer
24 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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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 ...
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51 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
20 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
34 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) ...
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1answer
12 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
vote
1answer
11 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
39 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
28 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 ...
0
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2answers
54 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
69 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
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: ...
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1answer
40 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
56 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
59 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 ...
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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 ...
2
votes
3answers
309 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
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
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1answer
31 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 ...
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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
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1answer
104 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
70 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 ...
0
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1answer
246 views

NSClient++ :: Failed to establish secure connection

Trying to get active checks of a Windows host from my nagios server. At this point I'm not even using nagios, and just running check_nt from the command line. Verified that the port is open, it ...
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votes
1answer
39 views

Monitor servers in ESXi environment

I have my own environment on a ESXi host, so without access to the vCenter env. So I'm unable to setup nagios monitoring at first. In my environment I have different kind of servers: * Linux (Custom ...
2
votes
1answer
51 views

Nagios: exclude single contact from notifications

There is a number of services that notify a contact_group on state changes. Is it possible to exclude a single contact that belongs to this group from getting notifications? Prepending contact name ...
2
votes
1answer
49 views

Nagios plugin to monitor FreeSWITCH

I am trying to configure Nagios to monitor FreeSWITCH as mentioned at https://github.com/kjhosein/nagios-freeswitch-plugin . I have downloaded the script from git and followed listed steps. On ...
0
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1answer
28 views

Nagios doesn't send notifications in specific time

I have a problem with Nagios. Here's my service definition: define service{ use generic-service host_name Server1 service_description ...
1
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1answer
103 views

Centreon/Nagios check_http: Use different domain name/url

I configured Centreon CES as monitoring-system - now I'm facing the following problem: There is a host with domain example.com which resolves to 123.123.123.123. This host is not configured by me and ...
0
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1answer
555 views

Notifications from Nagios4 to Telegram

Can't get alerts from my nagios. Server on Debian. Installed telegram-cli from github.com/vysheng/tg Configuration files of Nagios4. commands.cfg: #'notify-service-by-tg' command definition define ...
1
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2answers
56 views

Passing argument in a .py script for nrpe plugin

Machine A = nagios master, Machine B = edge machine. In machine A's host.cfg I have: define command { command_name check_tok command_line $USER1$/check_nrpe -H $HOSTADDRESS$ ...
4
votes
2answers
59 views

Missing Feature in check_tcp Nagios Plugin

I've got a problem with the check_tcp plugin from Nagios and could not find any plugin that works like I need. I'm sending a string to a port via check_tcp and get a number back, in this case 2580. ...
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
108 views

Creating Multiple Views in Nagios 4 Status Map

I have nagios set up to monitor our infrastructure across many different sites. As our business grows it is becoming a bit unwieldy. I have not discovered a way to set one node as the root and have ...
1
vote
2answers
36 views

Nagios Contact configuration

I am trying to create a contacts.cfg in Nagios so that it will contact two different email at different events. One is our regular email and one is our gmail which is configured to call us on an event ...
2
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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 ...
2
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1answer
48 views

How do I silence load alerts?

Within the large set of files that comprise our Nagios server, is service check for load: define service{ use generic-service name ...
2
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1answer
173 views

CentOS7: KVM: error: Cannot create user runtime directory '/run/user/0/libvirt': Permission denied

Been trying to resolve an issue I found by having our Nagios installation use a plugin for KVM, check_kvm, I found. I think my problem boils down to a permissions issue with the nagios/nrpe user. ...
0
votes
1answer
36 views

Nagios & Nc_net -> S.M.A.R.T

I need some help: We have a Nagios running which is monitoring some Windows 2012 R2 Servers. I want to add Disk Health/SMART-Monitoring to these machines. The Nagios config for a service on a Windows ...
0
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1answer
35 views

What is the difference between a Nagios plugin and a Nagios local check?

I see both terms used, local check and plugin, and to me it seems that they both accomplish the same thing, they extend Nagios to perform other checks. Is there any difference between them? If I want ...
2
votes
2answers
43 views

About monitoring a server (and a HTTP status of 200)

This is probably a very silly question, but I'm new to this. I am currently learning about system administration, and was asked to set basic monitoring in place (that checks a website returns HTTP ...
1
vote
1answer
38 views

Generating basic Nagios configuration with Puppet in the wrong side

I have a little problem when I try to integrate Puppet with Nagios. This is my configuration (I know, it's so simple but it's my first try) /etc/puppet/modules/nagios/manifests/init.pp class ...