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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2
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1answer
50 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
votes
1answer
190 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
votes
1answer
36 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
46 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
39 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 ...
0
votes
1answer
29 views

How to dedicate hostgroup to user in Nagios

I'm trying to set up new user who just watch a hostgroup: I made that user like this: define contact{ contact_name somedude alias somedude ...
1
vote
2answers
61 views

Nagios configuration syntax: Multiple directives per line?

A large volatile part of my Nagios 3 (Icinga 1, actually) config looks like this: ... define host{ host_name bla0037 use template-bla } define host{ host_name bla0042 use ...
0
votes
1answer
126 views

Nagios is showing services are down but they are running on the host

I have just installed nagios in a centos 7 environment. It is working fairly well, but I am having a small issue. All my systems are showing as online, but some of the services on those systems are ...
0
votes
1answer
26 views

Output additional information if nagios/icinga check fails

We use check_postgres to monitor our PostgreSQL servers. Sometimes there are peaks in the number of locks and the check alerts. Up to now the check only tells us the number of locks. This does not ...
-3
votes
1answer
73 views

High Load average [closed]

I'm working as a new sysadmin. Monitoring system is working well but since few days ago Nagios Monitoring system warns me that there is a Problem. State is critical , load average is high. This is ...
1
vote
1answer
117 views

Linux server periodically can't connect to itself (but all other connections work)

I upgraded our server from Ubuntu 15.04 to Ubuntu 15.10 today. The upgrade went smoothly, and everything worked as expected after the reboot. However, about 20 minutes after booting the server is ...
0
votes
1answer
18 views

How to delete ec2 instances from Nagios configuration automatically

I am able to add ec2 instances in nagios using puppet but how can I delete the instances from nagios configuration after instances get terminated. I am looking for something, whenever any node gets ...
1
vote
0answers
47 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
1answer
127 views

Nagios bash plugin works correctly locally but not remotely

I wrote a bash script for a custom nagios plugin that passes two command arguments for the warning and critical thresholds. When I run the bash script locally while passing the two arguments it works ...
2
votes
1answer
389 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 ...
0
votes
0answers
11 views

is hyperic dead, and an equivalent for windows custom performance counters would be? [duplicate]

For some years, we used hyperic. Other app monitor tools took over, so we left hyperic as new servers were spun up. We now need to track several windows perf counters, related to IIS, and a couple of ...
0
votes
3answers
23 views

Nagios: check if folder size increases by at least 1kb

Is there a way to check the size of a folder increases by at least 1kb every hour? I can't seem to find any plug-ins that do this out of the box. My Nagios experience is very little I'm afraid so ...
1
vote
1answer
41 views

Is it possible to setup Monit to send alerts to Nagios

I am trying to setup Monit on an auto-scaled group of machines. Ideally I would like monit to send alerts to my nagios service (which is already configured to escalate alerts). I have found this old ...
0
votes
1answer
73 views

Nagios set the host state to CRITICAL only after 2 check

I have a nagios server, that is a backup server as well. This server receives auto backup files from over 30 network devices in my network. The network gears send backup files hourly, but not at the ...
0
votes
1answer
39 views

Issue with sending email notifications using sSMTP and nagios(closed)

I have been fighting with this virtual server for a week to get it to send emails from nagios using sSMTP. I finally today got it to be able to send emails from the telnet, and through the nagios ...
3
votes
1answer
199 views

NRPE allowed_hosts name resolution with IPv6

A fully IPv6 dual stack enabled network is monitored by Nagios 3.5.1 installed from EPEL on a CentOS 6.7 server. Monitored hosts run NRPE agents, all of which are configured to run as daemons (not via ...
1
vote
1answer
111 views

Nagios not sending emails when a service recovers?

I have set up Nagios with chef. It's accurately monitoring things. When a service/host has a problem, I get an email and jabber message, which is exactly how I have configured it. However when the ...
2
votes
2answers
122 views

Nagios check_ssh returns usage information instead of status

I installed Nagios on a Ubuntu Desktop (Nagios server) and I want to monitor a Ubuntu server instance (monitored client). I can connect via SSH between both machines and SSH is not blocked. The nagios ...
1
vote
1answer
181 views

NRPE Works From Command Line; “Incorrect command line arguments” from Nagios

I'm trying to setup NRPE with a basic example as a first step towards deploying it. For simplicity, I'm running both NRPE and Nagios locally. NRPE and Nagios both seem to be working, but using ...
1
vote
1answer
131 views

NSCA passive stale --> multiple hanging nrpe processes?

shinken 2.0.3 nrpe 2.15 We are using nsca to perform passive checks. define service { name salt-service register 0 active_checks_enabled 0 passive_checks_enabled 1 ...
0
votes
2answers
338 views

Nagios not starting after boot

I have a small Nagios 4.1.1 install I just completed. It's running on a Raspberry Pi using Raspbian. Checks out okay, and when I start it manually using /etc/init.d/nagios start it works fine. I've ...
3
votes
1answer
52 views

Forward Nagios server state to a second server

Is there a way to forward the state of a Nagios server to a second Nagios server? I want to install a Nagios server which does the usual collecting of information about the machines and services on ...
1
vote
1answer
305 views

Is there a limit on how many systems and services Nagios can monitor?

We currently make use of several Nagios workers to distribute the workload using DNZ as described here: https://assets.nagios.com/downloads/general/docs/Distributed_Monitoring_Solutions.pdf. I have ...
2
votes
1answer
33 views

Setting temporary check_interval on Nagios service check

Does anyone know if Nagios has an option to set a temporary check_interval setting on a service check and have it revert back after a X minutes? My service check definition looks like this: define ...
2
votes
2answers
157 views

How to monitor the connectivity between multiple machine

I am using Nagios to monitor my servers and I have an need to monitor the inter connectivity between different servers. For example assume that I have three servers A, B & C and all of these ...
2
votes
1answer
186 views

Nagios' check_ntp_time sporadic socket timeout

Check_ntp_time has been failing on all my hosts sporadically. I usually receive CRITICAL - Socket timeout after 10 seconds And a couple of minutes later check_ntp_time succeeds and shows the ...
0
votes
2answers
133 views

How to check temperature with Nagios over http?

We have several server racks that are monitored by nagios. Now we want to monitor temperature inside the racks by a Nagios installation outside the racks. The temperature inside the server racks ist ...
1
vote
1answer
318 views

permission denied running check_vmfs.sh through NRPE

we have a nagios monitoring system already running and I was after monitor our vmware datastores using the following plugin I installed vmware cli and tested with no issues: [root@nrpe-relay ~]# ...
0
votes
1answer
74 views

Nagios Selinux contexts on RHEL7 equivelant

I installed nagios core and plugins for the first time, and can't get it to work with SElinux. The error in the audit log is, type=AVC msg=audit(1441480084.865:710): avc: denied { execute } for ...
4
votes
1answer
214 views

Wildcards in Nagios hostgroup_name exclusions

I'm having difficulty finding good documentation for wildcards and regular expressions (particularly as they work with exclusions) in Nagios. Here is an example of what I'm trying to do: In ...
2
votes
2answers
62 views

Nagios reports Scheduled Task returns no exit code dtexec

We have SSIS tasks (dtexec) that are executed by Windows Task Manager and monitored by Nagios. Regularly, however, Nagios reports warnings because the exit code is empty (where it should be 0). This ...
2
votes
1answer
28 views

What services does Nagios notify per contact?

In Nagios 3.2.3, I'd like to see all the hosts/services that send notifications to a specific contact. Is that possible?
-2
votes
1answer
304 views

How does one add commands to nrpe.cfg for Percona MySQL plugins on NRPE client? [closed]

How do you add commands to nrpe.cfg for Percona MySQL plugins on NRPE client? To configure percona-nrpe plugins for mysql you will have to do 3 things viz : 1. define commands in command.cfg 2. ...
1
vote
1answer
174 views

Nagios/NSCA: Command file '/var/nagios/rw/nagios.cmd' does not exist

I installed nagios on Centos and I also want to enable NSCA on the host. The client is already configured and is sending data (I can see it when I tail the logs). However, I'm seeing the following ...
1
vote
2answers
86 views

Nagios Host Stacked Graphs

I've got several identical front end web servers which are monitored by Nagios for various services and host performance stats (application metrics, memory, cpu etc...). I also use the graph explorer ...
1
vote
1answer
105 views

How to determine what command is run in a Nagios service?

I'm trying to debug why a Nagios service is failing; AFAIK, it began failing suddenly, without any change being made that we're aware of. I'm attempting to find a principled way to go from service to ...
0
votes
1answer
99 views

Not getting Proper output for check_iostat for nrpe plugins

My iostat is giving following output $ iostat Linux 3.13.0-29-generic (Inksedge) 08/13/2015 _x86_64_ (4 CPU) Device: tps kB_read/s kB_wrtn/s kB_read kB_wrtn xvdap1 ...
1
vote
1answer
336 views

NRPE check parameters getting lost

I'm running Shinken and have a pack which includes several commands that run bash scripts on the monitored host via NRPE. I have a check on the host which runs a bash script that takes 4 parameters. ...
2
votes
1answer
70 views

NRPE 2.15 - check_procs not showing right value

I've got Nagios Core Version 4.1.0rc2 configured server-side with a client running NRPE 2.15. I've got the two devices properly communicating using the check_nrpe command, but for whatever reason the ...
0
votes
1answer
85 views

Debugging Nagios notification failure

I have spent the day setting up custom twitter notification on nagios. Everything seems to be in place and the notifications seems to be triggered but the script is not called. my contacts ...
0
votes
1answer
638 views

check_mk Nagios Plugins

I am trying to move from Nagios to OMD, however, I have a Nagios plugin which I really need (phpfpm) but I am unable to add the plugin to check_mk. On the check_mk website says that you should use ...
-3
votes
2answers
228 views

VMware ESXi 5.5.0 server - nagios monitoring [closed]

I have a VMware ESXi 5.5.0 server and I want that my Nagios server can monitor it. How can I install the nagios-tools on the ESXi 5.5.0 server?
1
vote
1answer
109 views

Why are my passive checks not processed?

I have the following service configuration to capture SNMP traps: define service { name SNMP_TRAP service_description SNMP_TRAP ...
1
vote
1answer
284 views

check_mk: global name 'entry' is not defined

I'm having a ton of trouble with a nagios installation I've been working on powered by check_mk and OMD. When using the web gui to manage check_mk, the notifications page displays the following Python ...