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
37 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
365 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
716 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 ...
0
votes
1answer
496 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
791 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
112 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
11k 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
votes
1answer
287 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
1k 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
votes
1answer
32 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
204 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 ...
0
votes
1answer
2k 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 ...
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
9k 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
799 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 ...
0
votes
0answers
115 views

Nconf can't generate & deploy Nagios configuration (SELinux)

this is my 1st post here. I'm having trouble with getting NConf (Nagios configuration tool) work with Nagios under CentOS 6.5 (64bit) with SELinux enabled. NConf wasn't able to generate & deploy ...
3
votes
1answer
158 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: ...
-1
votes
2answers
35 views

How to pass your own -H flag to a nagios plugin?

Looking here on the nagios docs I see that it's standard practice to pass a hostaddress macro to your commands with the -H flag. What if your command already has a -H flag however? It's not clear to ...
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votes
1answer
203 views

Passing arguments to nagios plugin

I've installed my first plugin on a Nagios server, but am having trouble getting the arguments right. I've tried some things with $ARG1$ but am essentially just flopping around. One complication, ...
0
votes
1answer
142 views

Is it possible to get host groups from nagios config to ansible?

We have already nice preconfigured nagios with hosts, host groups etc... Is it possible to get host groups from nagios to ansible? are there some plug-in/module which may allow us to do: ansible ...
1
vote
2answers
107 views

NAGIOS host availability test for host that can't be PINGed, won't talk to me, but can be traceroute'd

Part of my network estate has a fairly important dependency on a host whose availability is difficult to check. I have a number of hosts behind it, and my NAGIOS VPS provider occasionally has routing ...
0
votes
1answer
419 views

Nagios Configuration error: “Unexpected token or statement in file” during Pre-flight check

I'm using Nagios 3.2.3 on CentOS 6.5. Everything during install and make went smoothly. I transferred over my conf files, made the appropriate changes, and did a pre-flight test against my nagios.cfg ...
0
votes
1answer
391 views

Apache and LDAP Authentication

We are using Apache mod_authnz_ldap to authenticate users to Nagios using our LDAP Active Directory. Right now it is working with using SamAccountName. However, Nagios is using the SamAccountName as ...
0
votes
5answers
248 views

NRPE Home Directory

I'm using NRPE and I a rather annoying problem. I need a couple temporary files written to the home directory of the user NRPE is running under (nagios). I checked that the /etc/passwd entry for ...
0
votes
2answers
854 views

SNMP timeout in nagios

Why would I be getting "WARNING - SNMP check timeout." in nagios? (For various things like load and disk space checks) snmpd is running fine on the machine being checked. Please let me know what ...
0
votes
1answer
115 views

Monitor Linux services with Nagios 4 [closed]

I'm trying to monitor a few RHEL7 services via Nagios. I'd like to monitor if the services are running or stopped and receive an alert when stopped. I haven't any out of the box option with Nagios 4 ...
6
votes
2answers
5k views

Checking a secure website with Nagios

I want to create a nagios check of my secure website. All the check needs to do is login to the site with login details that I pass the script. Does anyone know of a plugin or script that will allow ...
1
vote
2answers
452 views

omd nagios monitoring servicestate mssql / Failed to open service

I'm trying to monitor mssql service in OMD nagios, but with no success so far. Communication port: 1433 instance name is like: MSSQL$instance Here's my check: check_command check_nt!SERVICESTATE!-l ...
0
votes
0answers
48 views

Nagios Core 3 Check_AS400

I'm monitoring several iseries LPARS with Nagios 3.5.1 running Ubuntu 14.04. I downloaded the .CLASS check_AS400 plugin and followed the instructions. I have a hidden file .as400 that houses the sign ...
0
votes
1answer
138 views

Nagios: how to monitor supermicro based systems

I have several older supermicro based NAS devices. Happened to be at our hosting facility today and saw that one had a disk failure. I thought that I was monitoring this via SNMP->Nagios but clearly ...
0
votes
0answers
276 views

Nagios 4 on Centos 7 - Old server

I am trying to install Nagios 4 on an old Pentium 4 machine running Centos 7. I have installed the OS from the x86_64 ISO provided at the website. Nagios is downloaded with wget from Sourceforge. I ...
0
votes
2answers
154 views

What controls the Y-axis of data drawn into graphs?

I've recently set up Nagios for a client and have been wondering about some of the graphs we get out of NagioGrapher. For example, all systems use the same graph configuration for their physical ...
-2
votes
1answer
221 views

NRPE: Unable to read output locally

I am running /usr/lib64/nagios/plugins/check_nrpe -H 127.0.0.1 -c check_disk as root yet get NRPE: Unable to read output. Any help?
1
vote
2answers
64 views

How can I monitor “primary and secondary” Cognos nodes?

We have several Content Managers in Cognos that are running: one as a primary, one as a secondary. I would like to be alerted if there isn't one node acting as primary, if the primary node changed, ...
1
vote
1answer
77 views

Nagios compilation error on Centos

I am trying to install Nagios 4 on a Centos 7 machine using the instructions found here. When I get to the compilation and input make all I get this error: make[1]: *** No rule to make target ...
1
vote
2answers
93 views

Set different warning thresholds for Nagios on weekends

I'm using Nagios to monitor CPU usage on my servers with the check_load plugin. On weekends we have some batch jobs running and there are hardly any real users anyway, so I'd like to have the warning ...
1
vote
2answers
107 views

Nagios: check host service even if host is down

Is there a way to force nagios 3 to check a particular host's service (and notify such events) even if the host is down? The reason I ask so is that I have a service that checks if a host's IP ...
1
vote
1answer
26 views

Nagios Notification Period Setting, Will Nagios Hold the Email?

I am sorry for getting a little lazy not to try it out, but considering it may be helpful for others too, so I ask this question. If I set Nagios notification period like: 7 am - 5 pm, Mon-Fri Once ...
1
vote
1answer
225 views

Negative values for storage size over SNMP

We ran out of space on a 5 TB volume on a Windows storage server, so we copied the data into a new 10 TB volume. Now our nagios-based monitoring is reporting data I'm not happy with. When I looked ...
1
vote
1answer
117 views

DataStax OpsCenter 5.0.0 API doesn't increase last_seen when nodes down if DataStax OpsCenter Agent is down, used to work with 3.2.2

I've been using the DataStax OpsCenter (Enterprise) 5.0.0 REST API with DSE 4.5.1 (Cassandra 2.0.9) to query the /$cluster_name/nodes endpoint and see the last_seen field for the number of seconds ...
3
votes
2answers
1k views

Nagios child/parent relationship for host that is reachable by multiple paths?

Consider the following network setup below: Further, assume that Switch 1 and 2 are managed switches, but only have an IP address assigned on vlan3. How would you set up the parent/child tree for ...
0
votes
2answers
91 views

Nagiographer on Debian Wheezy work partialy

I made standard installation which is Nagios3 + Nagiosgrapher on Debian 7.6. In /etc/nagios3/nagios.cfg I added: process_performance_data=1 and ...
0
votes
1answer
58 views

nagios core v4, please help me add more service checks for a single host

I am having difficulties understanding the documentation and would appreciate clarification. I have NRPE and nagios plugins installed from source on both the nagios server and its clients. Can ...
2
votes
1answer
2k views

Nagios NTP, discarding peer

We're using nagios *check_ntp_time* for monitoring time on our servers. Unfortunately the service is flapping. And reporting a lot of false-positives. It happens everytime for random server in random ...
0
votes
1answer
99 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 ...
1
vote
1answer
64 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
41 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 ...
1
vote
2answers
82 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 ...
-3
votes
2answers
234 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?