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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1answer
165 views

Creating Multiple Views in Nagios 4 Status Map

I have nagios set up to monitor our infrastructure across many different sites. As our business grows it is becoming a bit unwieldy. I have not discovered a way to set one node as the root and have ...
2
votes
1answer
461 views

Nagios Notification interval and first notification delay

I have used in past these two parameters in Nagios ( first_notification_delay, notification_interval ) and until now worked perfect for me. Now that I have added new checks which use nrpe command. the ...
3
votes
1answer
29 views

Nagios erratic behavior when sending notification emails

I am having a really tough time setting up nagios3 to do what I want. Far too many config files and not sure where exactly the problem is as everything seems correct. First, notifications were sent ...
1
vote
2answers
69 views

Passing argument in a .py script for nrpe plugin

Machine A = nagios master, Machine B = edge machine. In machine A's host.cfg I have: define command { command_name check_tok command_line $USER1$/check_nrpe -H $HOSTADDRESS$ -...
1
vote
1answer
45 views

Generating basic Nagios configuration with Puppet in the wrong side

I have a little problem when I try to integrate Puppet with Nagios. This is my configuration (I know, it's so simple but it's my first try) /etc/puppet/modules/nagios/manifests/init.pp class nagios:...
4
votes
2answers
67 views

Missing Feature in check_tcp Nagios Plugin

I've got a problem with the check_tcp plugin from Nagios and could not find any plugin that works like I need. I'm sending a string to a port via check_tcp and get a number back, in this case 2580. ...
2
votes
4answers
5k 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 ...
0
votes
1answer
37 views

What is the difference between a Nagios plugin and a Nagios local check?

I see both terms used, local check and plugin, and to me it seems that they both accomplish the same thing, they extend Nagios to perform other checks. Is there any difference between them? If I want ...
2
votes
1answer
2k views

Problems in monitoring file age with nagios (command substitution in filename)

In my current nagios installation I check for the existence of a remote backup through NRPE. In particular, my remote nrpe.cfg (on a Ubuntu 8.x) is: command[check_zimbra_backup]=/usr/lib/nagios/...
1
vote
2answers
40 views

Nagios Contact configuration

I am trying to create a contacts.cfg in Nagios so that it will contact two different email at different events. One is our regular email and one is our gmail which is configured to call us on an event ...
0
votes
1answer
663 views

Nconf install not detecting perl

During my Nconf install I get Requirements PHP 5.0 (or higher) -> 5.3.10-1ubuntu3.4 OK MySQL 5.0.2 (or higher) -> 5.5.24 OK PHP-MySQL support OK Perl 5.6 (or ...
2
votes
0answers
128 views

Nagios, nginx and external commands - not authorized

So we're going from Nagios 3 to Nagios 4, and as we've been a bit behind on our hosts, we wanted to do a fresh start. The setup I went for was: Debian Jessie Nagios 4.1.1 Lilac for configuration ...
0
votes
1answer
421 views

Is it's possible to have SCOM interrogate Nagios to get the status information of hosts?

When I said 'like' in the subject, that was just because the English language requires that syntax! I do not like SCOM! But business requirements are almost forcing me to use this as my main pane of ...
2
votes
1answer
53 views

How do I silence load alerts?

Within the large set of files that comprise our Nagios server, is service check for load: define service{ use generic-service name ...
1
vote
1answer
3k views

How to define a host group on Nagios 4

I would like to define a host group on Nagios 4. In recon it should be defined somewhere in /usr/local/nagios/etc. I tried creating a file hostgroups.cfg that with contents: define hostgroup{ ...
2
votes
1answer
238 views

CentOS7: KVM: error: Cannot create user runtime directory '/run/user/0/libvirt': Permission denied

Been trying to resolve an issue I found by having our Nagios installation use a plugin for KVM, check_kvm, I found. I think my problem boils down to a permissions issue with the nagios/nrpe user. ...
0
votes
1answer
36 views

Nagios & Nc_net -> S.M.A.R.T

I need some help: We have a Nagios running which is monitoring some Windows 2012 R2 Servers. I want to add Disk Health/SMART-Monitoring to these machines. The Nagios config for a service on a Windows ...
2
votes
2answers
2k 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 ...
2
votes
2answers
48 views

About monitoring a server (and a HTTP status of 200)

This is probably a very silly question, but I'm new to this. I am currently learning about system administration, and was asked to set basic monitoring in place (that checks a website returns HTTP 200)...
0
votes
1answer
29 views

How to dedicate hostgroup to user in Nagios

I'm trying to set up new user who just watch a hostgroup: I made that user like this: define contact{ contact_name somedude alias somedude ...
0
votes
1answer
147 views

Nagios is showing services are down but they are running on the host

I have just installed nagios in a centos 7 environment. It is working fairly well, but I am having a small issue. All my systems are showing as online, but some of the services on those systems are ...
2
votes
1answer
3k views

How to dedicate hostgroup to user in Nagios core?

I want to create some user accounts, each user has its own hostgroup. When they login to their account, they can only view and manage the hosts in their group. How do I do this? Is there a tool to ...
1
vote
2answers
73 views

Nagios configuration syntax: Multiple directives per line?

A large volatile part of my Nagios 3 (Icinga 1, actually) config looks like this: ... define host{ host_name bla0037 use template-bla } define host{ host_name bla0042 use ...
2
votes
2answers
8k views

check_snmp warning & critical thresholds with negative values

I'm querying some signal level values measured in dBm, and the SNMP host on the remove device reports the values as negative values, ie, -90 dBm. However, check-snmp seems to be incapable of dealing ...
-3
votes
1answer
80 views

High Load average [closed]

I'm working as a new sysadmin. Monitoring system is working well but since few days ago Nagios Monitoring system warns me that there is a Problem. State is critical , load average is high. This is ...
1
vote
1answer
125 views

Linux server periodically can't connect to itself (but all other connections work)

I upgraded our server from Ubuntu 15.04 to Ubuntu 15.10 today. The upgrade went smoothly, and everything worked as expected after the reboot. However, about 20 minutes after booting the server is ...
0
votes
1answer
28 views

Output additional information if nagios/icinga check fails

We use check_postgres to monitor our PostgreSQL servers. Sometimes there are peaks in the number of locks and the check alerts. Up to now the check only tells us the number of locks. This does not ...
0
votes
1answer
18 views

How to delete ec2 instances from Nagios configuration automatically

I am able to add ec2 instances in nagios using puppet but how can I delete the instances from nagios configuration after instances get terminated. I am looking for something, whenever any node gets ...
1
vote
0answers
47 views

How to manage third-party Nagios/Icinga plugins?

What is the recommended way to manage installed Nagios (or Icinga) plugins? At the moment all plugins on my system are installed from Debian/Ubuntu packages, so this takes care of updates, file ...
1
vote
1answer
183 views

Nagios bash plugin works correctly locally but not remotely

I wrote a bash script for a custom nagios plugin that passes two command arguments for the warning and critical thresholds. When I run the bash script locally while passing the two arguments it works ...
4
votes
3answers
7k views

How to calculate CPU % based on raw CPU ticks in SNMP

According to http://net-snmp.sourceforge.net/docs/mibs/ucdavis.html#scalar_notcurrent ssCpuUser, ssCpuSystem, ssCpuIdle, etc are deprecated in favor of the raw variants (ssCpuRawUser, etc). The ...
5
votes
1answer
4k views

Full status information in Nagios email notification?

I have set up Nagios to monitor my servers and I have written a few custion checks. When I get a notification email, I only get the first line of the status information and I have to use the web ...
0
votes
0answers
11 views

is hyperic dead, and an equivalent for windows custom performance counters would be? [duplicate]

For some years, we used hyperic. Other app monitor tools took over, so we left hyperic as new servers were spun up. We now need to track several windows perf counters, related to IIS, and a couple of ...
2
votes
2answers
68 views

Nagios reports Scheduled Task returns no exit code dtexec

We have SSIS tasks (dtexec) that are executed by Windows Task Manager and monitored by Nagios. Regularly, however, Nagios reports warnings because the exit code is empty (where it should be 0). This ...
1
vote
1answer
140 views

NSCA passive stale --> multiple hanging nrpe processes?

shinken 2.0.3 nrpe 2.15 We are using nsca to perform passive checks. define service { name salt-service register 0 active_checks_enabled 0 passive_checks_enabled 1 ...
0
votes
3answers
24 views

Nagios: check if folder size increases by at least 1kb

Is there a way to check the size of a folder increases by at least 1kb every hour? I can't seem to find any plug-ins that do this out of the box. My Nagios experience is very little I'm afraid so I'...
0
votes
1answer
42 views

Issue with sending email notifications using sSMTP and nagios(closed)

I have been fighting with this virtual server for a week to get it to send emails from nagios using sSMTP. I finally today got it to be able to send emails from the telnet, and through the nagios core....
1
vote
1answer
43 views

Is it possible to setup Monit to send alerts to Nagios

I am trying to setup Monit on an auto-scaled group of machines. Ideally I would like monit to send alerts to my nagios service (which is already configured to escalate alerts). I have found this old ...
2
votes
4answers
4k 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 ...
0
votes
1answer
79 views

Nagios set the host state to CRITICAL only after 2 check

I have a nagios server, that is a backup server as well. This server receives auto backup files from over 30 network devices in my network. The network gears send backup files hourly, but not at the ...
3
votes
1answer
228 views

NRPE allowed_hosts name resolution with IPv6

A fully IPv6 dual stack enabled network is monitored by Nagios 3.5.1 installed from EPEL on a CentOS 6.7 server. Monitored hosts run NRPE agents, all of which are configured to run as daemons (not via ...
1
vote
1answer
8k 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 ...
1
vote
1answer
146 views

Nagios not sending emails when a service recovers?

I have set up Nagios with chef. It's accurately monitoring things. When a service/host has a problem, I get an email and jabber message, which is exactly how I have configured it. However when the ...
2
votes
2answers
154 views

Nagios check_ssh returns usage information instead of status

I installed Nagios on a Ubuntu Desktop (Nagios server) and I want to monitor a Ubuntu server instance (monitored client). I can connect via SSH between both machines and SSH is not blocked. The nagios ...
1
vote
2answers
4k 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
1answer
213 views

NRPE Works From Command Line; “Incorrect command line arguments” from Nagios

I'm trying to setup NRPE with a basic example as a first step towards deploying it. For simplicity, I'm running both NRPE and Nagios locally. NRPE and Nagios both seem to be working, but using ...
2
votes
2answers
281 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
votes
4answers
3k views

nagios - memory configuration

I am trying to configure nagios to perform memory check on a ubuntu server. I already have the basic configuration but when a try to start nagios, the following error message is displayed: Service ...
0
votes
2answers
402 views

Nagios not starting after boot

I have a small Nagios 4.1.1 install I just completed. It's running on a Raspberry Pi using Raspbian. Checks out okay, and when I start it manually using /etc/init.d/nagios start it works fine. I've ...
3
votes
1answer
57 views

Forward Nagios server state to a second server

Is there a way to forward the state of a Nagios server to a second Nagios server? I want to install a Nagios server which does the usual collecting of information about the machines and services on ...