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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1answer
146 views

New nagios/cacti monitoring setup, should I use a dedicated VM?

Currently we have 4 bare metal servers and one small VM server (all running centos6) and I'm looking at setting up monitoring for the Percona MySQL db server and replication slave (bare metal), as ...
2
votes
1answer
235 views

Nagios/Icinga: different passwords for each NSClient++ host

Is it possible to pass a different password to the check_nt/check_nrpe command for each windows host I have defined in my icinga configs? For example, I have 3 windows hosts define host { use ...
-4
votes
2answers
51 views

Nagios Wrapper Script that Checks board [closed]

I am in need of a kind of automation script or program run in the Linux environment that can check my Nagios board and can display results or store it's results of the Host, Service, Description, etc ...
0
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1answer
220 views

Multiple monitoring machines for the same hosts

I'm fairly new to monitoring and am currently trying to setup a monitoring solution for our network infrastructure. Our hardware is pretty old and can therefore fail at any time. We have taken ...
2
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1answer
8k views

Nagios - check_ntp_time - Offset Unknown

I have a local NTP server running on the subnet to keep other subnet nodes in sync, without every node syncing with upstream servers. But, while implementing the check_ntp_time plugin for Nagios I am ...
3
votes
1answer
270 views

HP MSA 2312 XML API “Unauthorized access requested”

I'm trying to write a custom Nagios Plugin to monitor a HP MSA2312fc via the HTTP XML API. I can successfully log into the system via /api/login/{login_hash} but always get the error "Unauthorized ...
2
votes
2answers
260 views

Monitoring PSUs with local IPMI and Nagios

I'd like to use Nagios to monitor the redundant PSUs in my servers (running Debian Wheezy). I've run the sensors-detect script in the lm-sensors package, and the only thing it can find is Driver ...
0
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1answer
2k views

NSClient seems to be ignoring allow_nasty_meta_chars setting

I am trying to detect an eventlog entry on a server, so am trying to use the CheckEventLog command: ./check_nrpe -H hostname -c CheckEventLog -a MaxWarn=1 MaxCrit=1 "filter=generated gt -3d AND id=23 ...
4
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2answers
2k views

nagios contact groups to check_mk

I have Nagios installed with traditional configuration files. I have created some contact groups and assigned them to hosts. For web UI I'm using check_mk. And here's the question: Check_mk supports ...
5
votes
1answer
651 views

Nagios escalations, prematurely critical escalation after warning

In Nagios 3, I would like a service to be escalated after being critical XX minutes. It works great on services that go from UP to CRITICAL. However, if the service has been warning >XX minutes (say ...
0
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1answer
371 views

Use Nagios hostgroups in check_cluster --service check?

Is there a way to use hostgroups within a check_cluster --service check? I've only seen examples that list out each host in the cluster individually like this: define service{ ... ...
2
votes
1answer
592 views

Redundant monitoring with Nagios

I am working with Nagios 4.0.7 on two servers to monitor my network. Recently I developed the third one in order to have more redundancy so I start reading information about failover redundancy mostly ...
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2answers
3k views

Nagios CHECK_NRPE: Error receiving data from daemon. RHEL 6

So I'm trying to set up a Nagios check_load service on a Red Hat server. I followed the documentation from Red Hat to install the NRPE client: ...
0
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1answer
403 views

Nagios: Specify a contact group for a whole host group?

I'm migrating a config from a very old version of Nagios (1.5 something I think) to Nagios 3.5.1. The config I'm moving has contact groups specified for the host groups. The new Nagios says Error: ...
8
votes
2answers
452 views

Is it reasonable to use Nagios to check that a service is NOT available?

Suppose I have a server with a private interface and a public interface. Public might have things like HTTP(S) servers, private might have MySQL and SSH. Obviously Nagios is useful to check that the ...
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1answer
118 views

Monitoring root certificate

For enterprise wide systems wherein SSL certs are utilized, what is the best way of monitoring root CAs or intermediate CAs? If the systems were on Linux OS. Are there nagios checks that can catch ...
0
votes
1answer
850 views

check_mysql_query cannot connect to mysql, but works from the command line

I have Nagios 3 running on Debian Wheezy. I am able to run the query the following query from the command line. The credentials for the mysql db are stored in ~nagios/.my.cnf nagios@intranet:~$ ...
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2answers
3k views

Allowing nagios plugin check_dhcp to work without setuid root

Nagios has a plugin, check_dhcp, that does exactly what you'd think. It's widely suggested to install it setuid root, because it uses SO_BINDTODEVICE, which usually only root can do. Of course a ...
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1answer
1k views

check_http!--ssl actually checks http

When monitoring the SSL service on a host that runs HTTPS but not HTTP, Icinga warns about a 403 Forbidden return code. But that warning is for HTTP, not HTTPS. Manually running the check_http ...
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votes
1answer
680 views

Nagios Schedule a Check on Command Line

I use Nagios Core 3.5.1. In order to skip the HTTP authentication (guest user without password could also be tedious), I turn off the Nagios authentication based on this article. (even though turning ...
1
vote
1answer
456 views

Nagios plugin check_snmp_int does not match regular expression

I am using nagios plugin check_snmp_int with -n switch. Help show: -n, --name=NAME Name in description OID (eth0, ppp0 ...). This is treated as a regexp : -n eth will match eth0,eth1,... ...
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1answer
82 views

icinga nrpe executes locally instead of server

I am very new to icinga. In fact I finished setting it up today. I am trying to monitor a bunch of stuff on my nrpe machines. I set up my services in /etc/icinga/objects/my.server.com.cfg and ...
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0answers
310 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 ...
3
votes
1answer
218 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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votes
2answers
1k views

Truncating return data as it is bigger then NRPE allows

I'm using latest NSCLIENT on a Win Server 2012, and see: Truncating return data as it is bigger then NRPE allows in the log file. How can I fix this?
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2answers
2k views

Overriding Nagios hostgroup service with host service

I currently am experimenting with defining a set of services to all hosts in a hostgroup, this is working fine. My issue is that I then want to be able to override these service definitions which ...
1
vote
1answer
209 views

Nagios check fails: UWSGI CRITICAL: could not connect() to workers Operation now in progress

All seems to be installed and work as it should (site/server is running) but keep getting this error: UWSGI CRITICAL: could not connect() to workers Operation now in progress when running: uwsgi ...
2
votes
1answer
384 views

Why isn't snmptt translating this trap?

I have a device that is sending snmp v1 traps and snmptt cannot translate them. To grab a copy of the trap, I stopped the snmptt service, and copied the trap to /tmp. The OID I'm trying to trigger ...
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2answers
160 views

Orthogonally defining services and contacts for a host/hostgroup?

I'm trying to turn our Icinga spaghetti into something more manageable and less repetitive. So far features like templates, object inheritance, multiple inheritance, hostgroups, servicegroups, etc ...
2
votes
1answer
796 views

How to test nagios send_nsca with netcat

I am trying to write a unit test of send_nsca using nc but it is failing. I want to start nc to listen to the nsca port and then use send_ncsa to send a message to that port. In one terminal I am ...
4
votes
1answer
653 views

Custom nagios command, append $HOSTADDRESS$

I'm very new to nagios, and trying to get a custom command to bend to my will. I have looked through various examples, and can't find anyone appending the $HOSTADDRESS$ macro, so maybe I have to go ...
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0answers
320 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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votes
1answer
1k views

Nagios nrpe check_nrpe plugin missing [closed]

installed nagios nrpe into remote machine from ubuntu repository sudo apt-get install nagios-nrpe-server and plugins as sudo apt-get install nagios-plugins-basic nagios-plugins ...
0
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1answer
156 views

Nagios check_snmp (New Response) CRITICAL 7

I have got a new critical figure / output as 7 SNMP CRITICAL - *7* What does above 7 refer to?
0
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1answer
174 views

Setting downtimes in Nagios/Icinga via SCCM

At our company we have quite a lot of Windows 2012/2008 servers which are updated automatically (and sometimes rebooted) via SCCM. All our servers are monitored via Icinga/Nagios. If the servers are ...
2
votes
1answer
14k views

“CHECK_NRPE: Socket timeout after 10 seconds” HTTPS / SSL

I have configured NAGIOS server on IP address AA.BB.CC.DD (Linux Fedora 20), and Monitoring the host with IP address LL.MM.NN.OO (Linux Fedora 20). I have configured NRPE to run on port # 15666 ...
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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 ...
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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 ...
0
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1answer
175 views

Debug a Nagios NRPE command

My nagios fail with fail2ban service. Whith an other command it's Ok: nagios@server:/usr/lib/nagios/plugins$ /usr/local/nagios/libexec/check_nrpe -H 127.0.0.1 -c "check_load" OK - load ...
0
votes
1answer
247 views

Nagios change threshold values

I'm using nagios checkmk 1.2.2 to monitor some hosts. How can I adjust specific smart values per host so they won't create a critical alert? For example: CRIT - Reallocated sectors: 2CRIT I only ...
1
vote
1answer
699 views

Nagios, Is it possible to monitor file modification?

I'm trying to monitor file modification of /etc/passwd, is it possible to do that with Nagios? I'm not looking for file modification time, but for file changed or not... Do you know any way to do it ...
0
votes
1answer
3k views

NRPE: “CHECK_NRPE: Error receiving data from daemon.” error in the gui, but the check works from terminal, what could be the cause?

I'm monitoring a few Linux servers using NRPE and most of the checks are working. Actually, the only check which doesn't work is check_disk. Running a remote check_disk from the Nagios server ...
3
votes
1answer
248 views

Nagios check for wuauserv on Windows Server 2008+

From Windows Server 2008+, wuauserv is no longer a service that's ran all of the time and is instead ran as a scheduled task. I'm not sure of the exact behavior of how the scheduled task is created as ...
0
votes
1answer
669 views

Checking disk space for tmpfs Nagios

Here is the result of df on my target computer ~# df -h Filesystem Size Used Avail Use% Mounted on /dev/mapper/vgsys-lvroot 11G 5.4G 5.0G ...
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1answer
945 views

Why isn't nrpe 'check_procs' finding my Passenger process?

I'm trying to use check_procs from NRPE to find out whether Passenger is running on my server. It loads from httpd but appears separately. 32135 ? Sl 0:09 Passenger RackApp: ...
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2answers
3k views

Nagios: turn off service checks/display on down hosts

I want to to tweak nagios in such a way that all checking stops (with services not displayed, or displayed as unknown) for any down node. Said differently I only want to see one alert for a down host ...
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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
1answer
93 views

Puppet: Nagios with regex node names

I am configuring a puppet master and want to rely heavily on hiera. Many of my systems will be almost identical due to being scalable. I have therefore created node manifests which use regex rather ...
1
vote
2answers
2k views

How to use nagios to monitor Zookeeper nodes

Sorry this may be a basic question, but I am new to both nagios, and zookeeper. My company has an application that uses zookeeper to track job status, by creating/destroying nodes. I need to be able ...
2
votes
1answer
97 views

Recognizing Dell EquilLogic with Nagios

EDIT: All firmware and models are compatible, that is why nothing is posted about it. Okay, so there will be a lot here, so please bear with me. I've been working on this now for a few hours (reading ...