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
7 views

Include check_command with nagios/icinga alerts

Is there a way to include the check_command that is being used when being alerted via Nagios or Icinga. Example: define command { command_name check-x-dc6.x-icmp command_line ...
2
votes
1answer
986 views

Nagios: Service dependency on same host for an entire hostgroup

I have a Nagios system with a large number of hosts categorised in different hostgroups. Each of these hosts has two services monitored on it, one of which is intended to be dependent on the other - ...
-3
votes
1answer
32 views

Configuring Nagios

We're using Nagios based Op5 to monitor hosts. I've minimum requirement to check a host if it is live or not. So I simply want to know if a host is live with max RTA of 10 seconds. I don't care how ...
3
votes
1answer
28 views

NRPE: Custom script returns unable to read input, but the script works correctly, what could it be?

I wrote a Nagios check script which receives a path as argument and checks: if the path is mounted if it is accessible by touching a file in the path. If the mount point directory is empty ...
0
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1answer
915 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 ...
0
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0answers
25 views

Nagios NDO Error - Failed to load module '/usr/local/nagios/bin/ndomod.o' [closed]

Getting below error when restarting nagios after installation of NDO Error: Could not load module '/usr/local/nagios/bin/ndomod.o' -> /usr/local/nagios/bin/ndomod.o: undefined symbol: ...
2
votes
1answer
2k views

Monitoring SQL Server 2008

I understand SQL Server doesn't release the memory unless the OS needs it. Then, monitoring Available Bytes (free memory) is not the best way to monitor the service. What other variables can give me a ...
1
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3answers
2k views

How can I resolve “(Service check did not exit properly)” and “(null)” results with my services?

I'm using some Perl-based scripts for service checks in Nagios and I get (Service check did not exit properly) and (null) as the result in Nagios, but the script works great on the command line. I've ...
1
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1answer
579 views

Nagios NRPE plugin check_ad - Fixed

i've reading about this problem much and trying to solve it on my own ways but still not luck. I've running debian 7 as nagios server. Problem is that i cant check state of my Active Directory Domain ...
0
votes
2answers
23 views

What data does nagiosgraph need from my plugin?

I've been searching high and low for a good explanation of how I should return data from my custom Nagios plugin to make sure that Nagiosgraph will be able to parse it. One place suggests the format ...
0
votes
3answers
67 views

NRPE commands doesn't work when called from remote management host

First of all: I know there were already questions about this issue, but even using their answers I still cannot figure out why my command is not working. What I want to do is call a script on remote ...
-1
votes
2answers
39 views

Nagios plugin executes manually but not automatically

After some trial and error I managed to get the check_hwinfo plugin only partially working. And by partially I mean manually. In my '/usr/lib64/nagios/plugins' directory I have the ...
0
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1answer
21 views

Monitoring PostgreSQL replication with Nagios and check_postgres shows intermittent delay

I have a master and hot standby setup with PostgreSQL 9.3, and I'm attempting to monitor the state of replication on the standby using the check_postgres tool and the "hot_standby_delay" action. This ...
2
votes
5answers
11k views

What Warning and Critical values to use for check_load?

Right now I am using these values: # y = c * p / 100 # y: nagios value # c: number of cores # p: wanted load procent # 4 cores # time 5 minutes 10 minutes 15 minutes # warning: 90% ...
0
votes
1answer
954 views

FreeNAS/FreeBSD: How to access status of ZFS volume from jail?

I am trying to set up NRPE to enable remote Nagios monitoring of a new FreeNAS 0.91 system. I mostly have this working. I can connect and inquire about basic information like number of processes, ...
0
votes
3answers
1k views

Need to have illegal characters in Nagios SERVICEOUTPUT and LONGSERVICEOUTPUT

I have a Nagios check_log style perl script that is called via check_by_ssh. The log file entries can contain characters like '>' and '$', which are dangerous and not allowed in SERVICEOUTPUT or ...
1
vote
2answers
24 views

How might I cancel scheduled downtime on Nagios

I have a Nagios 3.5.1 monitor up for a bunch of servers. In doing an action like a Drupal or Wordpress core upgrade, I down the sites and set Nagios to scheduled outage. Sometimes I finish in under ...
1
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1answer
2k views

PHP Error / Mk-livestatus in Nagvis

I have Nagios and Nagvis installed via Debian packages, but when I run Nagvis and try to get into the "General Configuration" menu I get this error Error: (0) Array to string conversion ...
1
vote
1answer
33 views

Nagios check_procs state filter

I'm on Ubuntu 14.04 and trying to run /usr/lib/nagios/plugins/check_procs -C rsyslogd -w 1:3 -c 1:5 -s S and it returns PROCS CRITICAL: 0 processes with command name 'rsyslogd', STATE = S | ...
0
votes
1answer
38 views

Can OpsView or Nagios be set up to report on a device based on status emails it sends out?

I'm looking at setting up a Nagios (or perhaps OpsView) server for monitoring our network. I have a few periphery devices whose oid schema doesn't include nodes for some metric I want to monitor. ...
0
votes
1answer
2k views

NSClient++ FAIL on Windows 2008 R2 — PDHCollector.cpp(215) Failed to query performance counters

I am attempting to monitor windows server 2008 r2 x64 Enterprise with Nagios. When I test/install the nsclientI get the following error: PDHCollector.cpp(215) Failed to query performance counters: ...
2
votes
3answers
2k views

Nagios NRPE: Command “my_command” not defined

I have installed Nagios® Core™ 3.5.1 and NRPE v2.14 on my client which running RHEL 6.3 I have this error message on my Nagios NRPE: Command 'check_mysql_connections' not defined On my nrpe.cfg I ...
0
votes
0answers
25 views

Nagiosgraph mouseover fails

I have setup Nagios 4 together with Nagiosgraph and they are both working perfect. However the javascript Mouseover effect does not work. I have copied the following line in ...
0
votes
2answers
3k views

pnp4nagios does not generate perfdata

I am running nagios2, pnp4nagios-0.6.16 and php 5.2.4-2ubuntu5.19. In my setup, pnp4nagios is correctly generating perfdata, which can be seen via the web interface in graphical form for lots of ...
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2answers
2k views

check_ssh executed from Nagios server returns “Server answer: ”, nothing else

Commmand works on the host I need to monitor (its IP is denoted as $HOSTADDRESS$ here): [root@host ~]# /usr/local/nagios/libexec/check_ssh localhost SSH OK - OpenSSH_4.3 (protocol 2.0) However, on ...
2
votes
2answers
131 views

What is the difference between host_check_live command and Ping service

We are using Nagios based Op5 to monitors servers. Do we need to have Ping service too for servers as I guess host_check_live (command: $USER2$/check_host -H $HOSTADDRESS$) command already uses Ping ...
2
votes
3answers
1k views

Issue warnings with text output of check_snmp in Nagios

I'm trying to configure Icinga to query the SMART status of the hard drives loaded into a storage array I'm configuring. The issue I've run into is the response from the array when querying the OID ...
1
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0answers
39 views

Is it overkill to use Ganglia and Nagios for one server? [closed]

In my home I run a Plex/Data server. It basically just serves everyone's files and then Plex to play movies and such. A Teamspeak server also runs on it, but nothing major other than those tasks. I ...
2
votes
3answers
5k views

nagios nrpe unable to read output

I'm trying to use check_nrpe to check on a remote server, but it's not working and I can't figure out what am I missing... # /usr/lib/nagios/plugins/check_nrpe -H XXX -c check_load -a 6,5,4 8,7,6 ...
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6answers
3k views

nagios (Last Notification: N/A (notification 0))

I can't figure out but for some reason Nagios doesn't send me an alert on some of the services that I monitor, I was wondering if someone can help me out a bit. this is service define service { ...
1
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1answer
2k views

Nagios 403 forbidden, indexes?

I installed nagios under freebsd 9, but can't figure out the right way for it to be public in the browser (from other pc's). I think that the problem is in the indexes or that there is no index file ...
0
votes
4answers
650 views

Install Agent To Client Machines

I have Windows Server 2008 R2 and Windows, Linux and Mac OS X clients. I want to install a Nagios agent to our client machines, but I don't know how to do that. Any recommendations?
-4
votes
1answer
36 views

How to keep nagios notifying me when the services or hosts are unnormal? [closed]

I got notification when my services or hosts were not normal, but just once. So I want to keep getting notified when the services or hosts in unnormal state, for example one time 1 minute. Can I ...
1
vote
2answers
296 views

Nagios 3.5 doesn't send notifications

The automated notifications from Nagios 3.5.0 (on Ubuntu) don't seem to work and the error given is "No contacts were found for notification purposes. No notification was sent out". The below can be ...
1
vote
2answers
665 views

OSS Server Monitoring Software — Which is right for me? [duplicate]

I'm trying to plot the course for my organization and am currently looking at (not exclusively so, but so far research leads to these): Zenoss Nagios OpenNMS Our requirements is that this must be ...
5
votes
1answer
74 views

Nagios: How to aggregate a large amount of notifications into one email notifcation?

I have a Nagios server which monitors many servers. There's a dashboard which has been coded in-house and it sends monitoring data using passive checks to the Nagios server. Whenever an issue occurs, ...
0
votes
1answer
90 views

Setting up PNP4nagios - Cant find Nagios Environment

My system is configured as follows: Ubuntu 14.04LTS Nagios Core 4.0.8 Plugins @ ver 2.0.3 PNP 0.4.13 The latest apache, perl, rrdtool, etc. Nagios has been working normally, just added a remote ...
1
vote
1answer
144 views

Installing Nagios 4.0.2 on Centos 7 - service fails to start

Having followed the instructions here http://linoxide.com/how-tos/install-configure-nagios-centos-7/ (but downloading Nagios 4.0.2 instead of 4.0.7 - I have to use that version), I have reached a ...
1
vote
0answers
46 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 ...
2
votes
3answers
7k views

Nagios: NRPE: Unable to read output, Can't find the reason, can you?

I have a Nagios server and a monitored server. On the monitored server: [root@Monitored ~]# netstat -an |grep :5666 tcp 0 0 0.0.0.0:5666 0.0.0.0:* LISTEN ...
1
vote
2answers
395 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 ...
-1
votes
1answer
90 views

Howto monitor web server nodes through HA proxy using Icinga/Nagios in CentOS 6

In this guide I'm not focusing at all on setting up HA proxy or why you'd want to do that. If you have it and want to properly monitor it using Icinga, here's an idea of how you could go about this. ...
1
vote
1answer
260 views

Nagios - NSClient++ cannot run included external script

I am running Nagios 3.5 on a Centos 7 machine. The setup is used to monitor some Windows machines via NRPE (check_nrpe commands). For the time being I am using the preconfigured 'alias' commands that ...
0
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1answer
18 views

Remote http restart when nagios detect issue in http

I am looking for a plugin, if nagios detected som eproblem on remote http then it will restart http to remote system. Is this plugin is available ?
2
votes
2answers
77 views

How to check the content of an URI containing a Hash using Nagios' check_http?

Attempt check_http -H www.example.com -f follow -p 8080 -u /hello/#/world -s "content" Result HTTP WARNING: HTTP/1.1 404 Not Found - X bytes in 0.00X second response time |time=0.00XYZ Analysis ...
6
votes
5answers
2k views

Nagios Check that Simulates Web Full Rendering Time

Does anyone know of a Nagios plugin or cli program that can simulate the load time of a webpage as it would be in a browser. For example the resulting total load time of something like Pingdom's Full ...
4
votes
6answers
8k views

Use Nagios to monitor a log file and send log details

I know Nagios can monitor and alert on the content within a log file, but does anyone know of a plug-in, or other tool, that will monitor a log file for a particular string and then send the entire ...
2
votes
3answers
6k views

How to use nagios' check_ldap?

I'm having a spot of trouble with check_ldap. my command is: ./check_ldap -H myhost.com -b o=ABC,c=D -p 1234 I'm getting the error: "could not search/find object classes in o=ABC,c=D" Any ...
3
votes
1answer
470 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 ...
3
votes
1answer
106 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: ...