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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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
1answer
402 views

Updated OMD and Check_MK Agent returns Null

I updated OMD to the current version using the following: omd update <site> Everything appears to update fine, but now my servers with the check_mk agent installed show (null) and I do not ...
3
votes
2answers
2k views

What's the best method to monitor an OpenVPN server?

I have an OpenVPN server machine which resides on an isolated network, a NAT rule in the company's firewall is redirecting all traffic on port 1194 (tcp) from the public IP I chose to the internal ...
0
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1answer
152 views

Nagios: HTTP checks with XMPP, notifications missing the URL

We're using a Nagios installation to watch over our infrastructure and alot of websites. The way the websites are monitored is by using check_http with the URL passed as a parameter. We use this, ...
-1
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3answers
408 views

How to clear an event in Nagios

General question regarding Nagios. I know that it is possible to acknowledge an event or alarm in Nagios. But is it possible to clear it?
0
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2answers
237 views

How do I get check_http -r to look for exactly n instances of a string

I have an URL I can query to make sure that my app is running properly. The results are something like below. Checking that "ok" is in the string does not tell me all is well, I need to know that it ...
0
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0answers
232 views

Getting Odd Errors Starting the NRPE Daemon via the service command

So, odd issue. I'm running CentOS 6.5 x64, and NRPE latest stable from EPEL. Ran into an issue where I can only start nrpe via service (which is what chkconfig uses) by running it sh first. ie. ...
0
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1answer
579 views

Nagios mysql check service definition configuration?

I'm using the Consol Labs MySQL Health Check plugin to monitor my MySQL database. I'd like to change the warning and critical thresholds for the threads connected parameter, but have forgotten how. ...
1
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2answers
163 views

Nagios service check interval based on host type

I'd like to use different service check interval base on host type. Some hosts are critical and services on these hosts need to be checked more often than service on other hosts. It seems that is not ...
0
votes
2answers
709 views

Nagios showing “OK” state despite being in CRITICAL

I'm using nagios to monitor various services in our production environment. But for one such service, I noticed that nagios is showing "OK" state despite the service being down and not running. I'm ...
2
votes
1answer
75 views

Monitoring virtual host on ESX5 with Nagios [duplicate]

My question is how to monitor with Nagios, the performance and availiability (machine stopped) of several virtual hosts running in a ESX. All plugins I've found are for 3.x API, running commands or ...
0
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1answer
1k views

How to script nagios csv export

nagios 3 can export availability data as csv (clicking through the web gui). Now I would like to do that automated and on a regular basis, so I am looking for a way to set all the parameters (e.g. ...
0
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1answer
367 views

nagios bash script/command returning null

I wrote a simple nagios command to check the change of a value over 1 second #!/bin/bash HOSTNAME=$1 COMMUNITY=$2 OID=$3 WAITTIME=1 echo "/usr/lib/nagios/plugins/check_snmp -H $HOSTNAME -C $COMMUNITY ...
1
vote
2answers
124 views

Monitor one host from two Nagios instances

I have two Nagios (monitorA and monitorB) servers in different datacenters. On both I have configured same WWW host. This works fine until there is a network problem between one Nagios host and WWW ...
0
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0answers
134 views

Nagios nrpe commands error out with asterisk

as the nrpe user when Command: /scripts/nagisk.pl -c version Outputs: Asterisk 1.8.11-cert10 Using nrpe Command: /usr/lib/nagios/plugins/check_nrpe -H [HOSTNAME] -c check_asterisk_version Outputs: ...
0
votes
1answer
741 views

Set SNMP Community with check_mk WATO

I'm using check_mk with WATO on an Ubuntu server running Open Monitoring Distribution 1.0. So far, so good! I'm trying to configure the snmp community for check_mk to pull info from some of our HP ...
0
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1answer
337 views

Where does check_mk store configuration files?

I'm a little new to the check_mk/nagios/monitoring world. I'm experimenting with omd 1.0 as an easy way to get it all set up and working on an Ubuntu host. So far, things are great! With all the work ...
1
vote
2answers
114 views

Should / can I call Nagios programmatically instead of waiting it to poll your status?

I understand how Nagios works in that it periodically polls the status of the system. It can for example check for existence of some files or availability of some web page each minute. But what ...
3
votes
2answers
1k views

How does an administrator generalize alerting when an event doesn't happen?

Often my users require me to be just as responsible for knowing if an event hasn't happened. I've always had to build custom and brittle solutions with cron'ed shell scripts and lots of date edge ...
2
votes
4answers
381 views

Nagios check whether at least one out of two services is OK

I have two following passive services: ServiceA, ServiceB on one machine. I would like to have a sittuation when the OK state is satisfied by following conditions: ServiceA is OK or ServiceB is OK ...
0
votes
2answers
400 views

Nagios - NagWin - Send notification with gmail

I would like to send Nagios notifications using my gmail account. I have already set up my hosts I want to monitor and services also. What is the most simple way to accomplish this using NagWin on a ...
2
votes
1answer
485 views

nagios: trouble using check_smtps command

I'm trying to use this command to check on port 587 for my postfix server. Using nmap -P0 mail.server.com I see this: Starting Nmap 5.51 ( http://nmap.org ) at 2013-11-04 05:01 PST Nmap scan report ...
1
vote
2answers
3k views

Nagios NRPE “No Output returned from plugin“ error

So I've just started configuring Nagios in my environment and I'm getting the above error when trying to user the NRPE plugin. The host file is as follows: define { host_name servername ...
-1
votes
1answer
941 views

Nagios nrpe no handler for command

so i have started setting up Nagios on our network and have the below issue : No handler for command CheckDisk . This happens no matter what command i run. ( full command i have been running is ...
0
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1answer
294 views

how to display netstat output on nagios

Can you please tell me how to monitor an established connection (on a specified port) in a windows machine from nagios (centOS) here an example (output of netstat): Proto Local Address ...
0
votes
1answer
2k views

nrpe: Host is not allowed to talk to us

I installed nrpe on new servers. Nagios is already running and checking other server (I haven't installed). I've got several error lines in my syslog file : Oct 31 15:17:01 myservername nrpe[41848]: ...
0
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2answers
544 views

Monitor total service uptime using Icinga

I am using Icinga (Nagios fork) for monitoring ~10 webservers, each one providing different services. I would now like to provide an aggregated view on the server states on our companies intranet, ...
-1
votes
2answers
478 views

Check NRPE APT now working through Nagios

I'm able to monitor hosts' package statuses via terminal; but Nagios web ui gives an error like this: (No output returned from plugin) Here's the command that works properly via terminal: ...
2
votes
3answers
6k views

How to stop/Disable Nagios email notifications

How Can I stop the email notifications. I am setting up a new server and getting tons of notifications. Wants to disable them for time being.
0
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3answers
211 views

nrpe check_load results in unknown error?

I'm using the nagios check_load plugin. I have the following line in my /etc/nagios/nrpe.cfg command[check_load]=/usr/lib/nagios/plugins/check_load -w $ARG1$ -c $ARG2$ And on my icinga server in ...
1
vote
2answers
284 views

Get full list of host and services from Nagios

I need to get a full list of hosts and services from Nagios, to make a decision table. I think there is two methods, querying the Nagios CGI, and parsing the Nagios cfg files. But... Nagios cfg ...
2
votes
4answers
1k views

Nagios - measuring Average CPU Load

I've been looking for some hours now for a plugin that will notify me if one of my server's CPU Load has been over 90% for the past 5 hours. No luck looking around the Nagios Exchange. Can anyone ...
-2
votes
1answer
440 views

Nginx + Nagios : 502 Bad gateway

I have a fully new install nagios, but I can't access to it. Here's my Nginx config: server{ listen 80; server_name [redacted]; # blahblah # Nagios Monitoring location ...
1
vote
1answer
268 views

Nagios shell script cannot be executed

I'm trying to monitor GitLab with nagios. I've created the following command definition and shell script but when checking the service I'm receiving the following e-mail. How can I solve this? The ...
2
votes
2answers
138 views

Nagios only create warning for a http service

I would like to also monitor non-crucial services with nagios like for example our GitLab-server or phpMyAdmin instance. Is there any way to just create warnings instead of critical errors for some ...
1
vote
1answer
170 views

Generating reports from Nagios [closed]

Are there any good plugins for generating reports from Nagios like CPU, Memory usage over a month and so on. I am already using Nagiosgraph. Any way export the data for month, year and so on?
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 ...
0
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0answers
151 views

Nagios send notification when back in notification_period

I have disabled notifications during certain time periods, like so: define timeperiod{ timeperiod_name test alias Except test Hours monday ...
0
votes
1answer
35 views

Nagios: Configure different users for different hosts with the same commands.cfg file

I'm in a unix environment where I'm using check_by_ssh to execute Nagios plug-ins. A few hosts have a different unix account to which Nagios needs to ssh into to run the plug-ins. I pass the account ...
0
votes
2answers
384 views

Nagios plugin to monitor health of FreeSWITCH?

Is there a Nagios plugin to monitor the health of a FreeSWITCH server? It could either be on the server side or installed on the client. The Nagios Exchange doesn't show any results for a search of ...
2
votes
2answers
197 views

nagios: alternatives to SMART disk checking?

I'm attempting to repurpose some older Dell PE 29xx machines. These have PERC RAID controllers so the SMART testing isn't working. Is there an SNMP alternative or do I need to start slogging through ...
2
votes
1answer
84 views

Negative Request Per Second observed?

I'm currently looking at my Nagios metrics, and especially on my WebServers and I suddently noticed that sometimes, I've a negative amount of Request per second and other metrics, how it is possible?? ...
0
votes
2answers
1k views

Nagios passive checks, reset service to OK state after notification

We have a passive service setup (external server reports issues via passive checks to nagios) and nagios sends out notifications when these services receive a non-ok state. However, we don't want to ...
0
votes
2answers
312 views

Parsing out the right data with Nagios Graph

I am using check_iftraffic64.pl plugin to check the internet bandwidth being used on a fortigate unit. This is the result I get: Average IN: 470.89Kbs (4.71%), Average OUT: 907.19Kbs (9.07%), ...
1
vote
1answer
454 views

How to make a persistent acknowledgment in Icinga/Nagios?

I am using Icinga (Nagios fork) to also monitor uptime of external hosts and services. Currently when looking at the "Critical" count I find it difficult to decide if an internal service is affected ...
0
votes
1answer
303 views

Centreon (Nagios) setting a host macro (variable)

EDIT2: Got it working - There was an unrelated problem that meant even though I was tinkering with the 'faulty' host definition, the revised check was not being run so I was always seeing the original ...
1
vote
2answers
189 views

Nagios Core to Nagios Core Communication

Having 2 linux box with Nagios Core, I understand that one way of communicating them is using the NSCA plugin and install client plugin in one and server plugin in the other. Maybe there is an easier ...
0
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0answers
135 views

Monitoring by Nagios when issue is created in Jira

Can I use nagios to monitor whether the correct way are assumed Task. Task will be created with a mail handling. Do I even be possibility do something like that? Regards Michael
0
votes
1answer
162 views

Nagios notification mail after that a service failed for more than N minutes

like in the title I would like to receive the alert from nagios only if a service keep failing for more than 10 minutes in a row. Which macro or parameters I've to change? I am on debian 6 and my ...
0
votes
1answer
64 views

Nagios: getting a different response on web interface than running the command manually

I enabled SSL on MySQL this morning, and everything's working fine... except Nagios. The web interface complains that there's an "SSL Connection Error" when testing MySQL, but running the command from ...