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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Nagiosgraph: Graphs not updated if service not in Warning or Critical

I have a ~350 services Nagios monitor with some graphed ones. I'm using Nagiosgraph to do the graphing work but I'd realized than graphing is not working when the service is running fine (out of ...
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0answers
195 views

nagios check_nrpe could not complete ssl handshake

I have configured Nagios3 in my Ubuntu server running Ubuntu 12.04 (192.168.0.2) and I am able to access it's details like users logged in and other parameters using my Nagios server (192.168.0.1). ...
2
votes
1answer
59 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
134 views

Nagios: How to use crit= and warn= in CheckEventlog

I am using CheckEventLog of NSClient++0.4.1 to do a real-time monitoring. And according to official documentation, there were warn and crit options. warn Expression which raises a warning status. ...
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2answers
2k views

Nagios: Internal Server Error on fresh install

I've installed Nagios on a new server following the instructions from the site below: http://sharadchhetri.com/2012/08/05/installing-nagios-3-4-centos-6-3/ The upshot is: yum install nagios ...
0
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1answer
564 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. ...
2
votes
3answers
980 views

DELL OpenManage 7.3 on ESXi5.1

I installed Dell OpenManage 7.3 VIB on ESXi5.1 host. I assumed that VIB will load all DELL specific MIBs into OS. I enabled snmpd on that host as well, but when I am doing "snmpwalk" or "snmpget" I do ...
4
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3answers
7k views

Monitor ESXi hosts with Nagios

Does anyone recommend any methods for monitoring ESXi 4.1 hosts with Nagios? I have looked into SNMP but it seems to be in a pretty sorry state. Net-SNMP does not seem to be included and there is a ...
2
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4answers
173 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 ...
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2answers
228 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 ...
0
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1answer
127 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 ...
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2answers
94 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 ...
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0answers
82 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
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1answer
136 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 ...
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1answer
390 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 ...
1
vote
1answer
185 views

How to collect the performance data of a server during an unreachable/down period using Nagios?

Some time services and host stop responding due to a poor server performance. I mean, if for some reason (could be lot of concurrency services access, a expensive backup execution on the server or ...
2
votes
4answers
400 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 ...
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2answers
299 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, ...
2
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1answer
257 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 ...
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1answer
204 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 ...
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votes
1answer
543 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 ...
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3answers
112 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 ...
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3answers
3k 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.
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2answers
185 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: ...
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1answer
744 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]: ...
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6answers
1k views

Offsite nagios?

Nagios is great for self-hosted service monitoring in an intranet, but what about offsite monitoring? Does anyone sell a network service availability service that goes beyond ping and HTTP?
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2answers
131 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 ...
5
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2answers
1k views

Nagios (Return code of 141 is out of bounds) on random services

We have had Nagios running on one of our servers with out any problems for a while but lately we get (Return code of 141 is out of bounds). The load on the server raised because we gone online with ...
11
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5answers
2k views

How do you keep up with Nagios/Capistrano configs when using EC2?

I use Amazon EC2 for my mobile app. Depending on load of the application at a given time, I might spawn new instances and then take them down when load is lower to save costs. How does one keep up ...
0
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0answers
161 views

nconf nagios config no services defined

I've setup Nagios core on OSX 10.7 server via macports fine. It seems to load fine and the sample config files all copied over to /opt/local/etc/nagios/objects/ fine and are specified correctly in the ...
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0answers
135 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 ...
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1answer
240 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 ...
2
votes
2answers
78 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 ...
0
votes
1answer
772 views

Nagios plugin script not working as expected

I have modified an off-the-shelf Nagios plugin perl script to (in theory) return a one or zero according to the existence, or not, of a file on a remote linux server. The script runs a remote ssh ...
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1answer
178 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 ...
1
vote
1answer
6k views

Nagios - Configure a hostgroup to include all the hosts of another group?

I can define a hostgroup in Nagios to include hosts X, Y, Z. Can I set a hostgroup to include all the hosts from another group as well? So any host in hostgroup B would be included in hostgroup A? And ...
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vote
4answers
268 views

Nagios (re-)send notification for service in OK state

Quite simple question: How could I set re-sending notifications in Nagios for service which doesn't change its state? I want to use it for fake sms. Service is allways OK (the whole script content is ...
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1answer
80 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?
4
votes
2answers
2k views

Adding a acknowledgement Link to Nagios Alert Emails

Has anyone ever added a link into the nagios alert messages that allows the receiver to just click the link to put the alert into the acknowledgement state. I've had a look around but cant see ...
2
votes
2answers
2k views

“Unable to open MRTG log file” error with nagios and mrtg

We have a strange issue with our setup of icinga / nagios and mrtg. Icinga is working great and has no problem, it can monitor basically everything without issues. We setup mrtg to gather bandwith ...
1
vote
4answers
10k views

Monitor DNS server with Nagios

I want to monitor my DNS server with Nagios. I understand there's a check_dns plugin but I'm a total Nagios noob and I have no idea how I would go about using the plugin. All I want to do is the ...
0
votes
1answer
32 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 ...
2
votes
3answers
2k views

How do I place a phone call via a GSM modem and play an MP3? (RedHat 6)

I have a USB GSM modem (HUAWEI E160). I got some software on a Windows laptop that lets me place phone calls and send texts via the modem, to regular phones. Is there any way to do something similar ...
2
votes
2answers
133 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
69 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?? ...
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2answers
740 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
1answer
204 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 ...
0
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2answers
185 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%), ...
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votes
2answers
1k views

How to configure nagios realtime SMS alert

I have configured nagios SMS alert and it takes around one minute to send notification. I want to get SMS notification withing one/two second(s) after system/service failure. I could not find any way ...
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2answers
129 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 ...