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15
votes
2answers
2k views

Displaying Nagios on a 52" 1080p screen

I'm using a 52" 1080p LCD screen to monitor Nagios, positioned where most of the users can see it. Using the default Nagios web view sort of sucks, since you need to increase the text size a decent ...
5
votes
2answers
3k views

Interpreting Nagios check_disk output

The following command on Nagios's default "check_disk" command gives the following output: # ./check_disk -w 20% -c 10% -p / --units=MB DISK OK - free space: / 17887 MB (47% inode=93%);| ...
5
votes
4answers
4k views

How can I make Status Information for Nagios services easier to read?

I'm running Nagios in an environment with several servers, each with several services on them. There are a few custom checks, but it's nice to use existing checks if possible. I'm using NRPE plugin ...
5
votes
2answers
3k views

What exactly is “check_nrpe_1arg”?

I see in a lot of the Nagios documentation references to check_nrpe_1arg. Can anyone explain exactly what this is, or does? I see nothing in the Nagios documentation, or anywhere else on the web, ...
5
votes
1answer
1k views

Nagios performance graphs

I've written my own perl script to return status from a server of mine. It is running just fine (ie. performance data: val1=1; val2=5; val3=10). Using templates.dist/default.php this gives me 3 ...
4
votes
2answers
2k views

How can I use nagios to monitor ssh tunnels?

I have a server that is used a middleman for a bunch of reverse ssh tunnels. I want to use nagios on that server to monitor that all of those ssh tunnels are up. Essentially I want to do the nagios ...
3
votes
2answers
3k views

Nagios command not transmitting all arguments

I'm using the following service to monitor our postgres db from nagios: define service{ use test-service ; Name of servi$ host_name ...
3
votes
3answers
4k views

SELinux prevents Nagios plugins from running on RHEL6

After installing Nagios NRPE & Nagios Plugins, I'm getting the following entry in my rsyslog: May 13 14:01:30 wcmisdlin02 kernel: type=1400 audit(1305309690.482:2334): avc: denied { getattr } ...
3
votes
1answer
630 views

How to add an event/alert on Zenoss for a string type SNMP OID?

I have the status of a particular application being reported as string over SNMP. When everything is working as expected, that monitoring reports an empty string and when some of the data sources ...
2
votes
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.
2
votes
4answers
243 views

Avoiding Nagios commands.cfg

I want to call a command directly from a Nagios service file, instead of passing arguments clumsily to commands.cfg. For example I want do this: define service { service_description ...
2
votes
1answer
203 views

Restarting a service with Nagios

OK, guys, sorry for my probably stupid questions but I'm very new at this. I was assigned to research how to use Nagios to monitor different services and if a service falls down, to attempt to restart ...
2
votes
1answer
170 views

How to make email alerts customizable?

I'm running Nagios 3. It is generating the alerts that are based on my conditions that I had mentioned. What I want now is to customize my email alerts with a detailed messages. I need to send alerts ...
2
votes
2answers
1k views

How to use nagios to monitor a printer

I have network based printers, and I was wondering, as all network printers with SNMP able to give up information such as if they need ink, or toners or just their general status. I'm not the ...
2
votes
2answers
2k views

Monitoring /proc/sys/fs/inode-nr

As part of a general overhaul of some Nagios scripts, I am adding parameters to the scripts so that the thresholds can be determined on a machine-by-machine basis. As an example, we are specifying ...
2
votes
4answers
507 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
2answers
206 views

Install Nagios plugins

Can somebody please show me how to install this nagios plugin that checks if your servers require winodws updates? ...
2
votes
2answers
2k views

Guide about NagiosGrapher on Debian?

I have Nagios 3 on Debian Lenny up and running, but trying to install the NagiosGrapher plugin has proven to be frustrating to say the least - the plugin doesn't work by itself, there seems to be ...
2
votes
3answers
292 views

Notify when a message did not occur

In Nagios it is easy to check that a log message happened in the last 48 hours and sound alarm. But how can I configure Nagios that it should sound alarm when a message did not occur in the last 48 ...
2
votes
2answers
1k views

Nagios check_http - checking tomcat application status with regex & linespan

I wan't to check with our Nagios if a webapplication is running on Tomca7. I decided to use the check_http plugin with regex. I'm parsing the status-page of tomcat and check if column "Running" is ...
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 ...
2
votes
1answer
1k 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 ...
2
votes
1answer
1k views

View Centreon graph data

Is there a way to view the data that Centreon uses to build graphs, from within the Centreon web interface? We have some gaps in some of our graphs, and I would like to see if it is a problem with ...
2
votes
3answers
5k 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 ...
2
votes
1answer
41 views

Recognizing Dell EquilLogic with Nagios

EDIT: All firmware and models are compatible, that is why nothing is posted about it. Okay, so there will be a lot here, so please bear with me. I've been working on this now for a few hours (reading ...
2
votes
2answers
1k 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 ...
2
votes
2answers
133 views

How can Nagios handle non-threshold based plugins?

I am writing a Nagios plugin to monitor trends of a certain storage resource utilization (e.g. gradual increases are fine, but an instantaneous/sudden increase or decrease in resource usage may ...
2
votes
2answers
278 views

Simplest way to add http checks to Nagios

Is there a simple way to add a custom command to the host config section in Nagios? I have several web servers running on various ports and hosts, and it seems tedious to have to create a hostgroup, ...
1
vote
1answer
2k views

The best nagios plugin for SMART?

I've tried the best plugin for nagios to SMART monitoring. There are some, but only monitoring temperature. But with smartctl we can find more data. Do you have some better plugins with all data from ...
1
vote
1answer
513 views

Nagios check_tcp ESTABLISHED connections

I am interested in seeing if clients are connected to us on lets say port 63004. Now check_tcp works well to see if port is available. Unfortunatley I need to know if the port is in a LISTENING state ...
1
vote
2answers
2k views

Nagios check_tcp OK while it must not

I have a problem with Nagios, and in particular with the check_tcp plugin, used to check the Citrix connection on a Windows server. Nagios is in version 3.3.1 and nagios plugins are in version 1.4.15 ...
1
vote
3answers
3k views

Is there a possibility to monitor https sites in nagios over a proxy?

i have a little question about the nagios tool: Is there a possibility to monitor https sites in nagios over a proxy? Which means i want to monitor whether my proxy can reach some https ressources in ...
1
vote
1answer
152 views

Nagios-Plugin “check_radius” missing in Ubuntu 14.04?

Since I asked this question already on askubuntu but nobody answered for a week perhaps here somebody knows the answere ...
1
vote
1answer
192 views

Nagios: executing plugin with nrpe produces a different result from running locally

I'm trying to add an NRPE check to to monitor Puppet agent but I'm running into difficulty getting the plugin to return the correct result when executed locally. I'm using this plugin: when ...
1
vote
1answer
193 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 ...
1
vote
1answer
554 views

NRPE: Unable to read output CentOS6

I am monitoring a CentOS 6 machine with NTP service installed. The monitoring server is a CentOS 5 machine with Nagios and Centreon. I'm using NRPE for monitoring remote hosts, and I get the following ...
1
vote
1answer
257 views

Installing nagios plugins

I have worked my way through installing Ubuntu and getting nagios up and running and now monitoring about 60 windows clients with NSCleint. This is working great but now I want to add UPS monitoring ...
1
vote
5answers
2k views

Monitoring over Time with Nagios: How?

Nagios in its standard usage monitors with point-in-time checks: either something is - or is not - true. Other tools like SGI's PCP, HP's MeasureWare, and SEC provide monitoring over time - ...
1
vote
1answer
37 views

Nagios check a number inside an API response

Ok so I want to use Nagios to check a 3rd party service I am subscribed to. They have an API that displays how much credit I have left. I originally bought 5000 credit and I need to have a warning ...
1
vote
2answers
1k 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
vote
1answer
92 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?
1
vote
1answer
160 views

Icinga Monitor Website for String

I am trying to use Icinga to monitor a website for a particular string. When I run the plugin from the command line, it seems to work fine, but in Icinga-Web, it always shows up as successful no ...
1
vote
1answer
355 views

Icinga (nagios) ignoring forced checks

I have a strange problem: Icinga (nagios) doesn't run check_nt which I've set up on a debian box. What I do is that I schedule a forced check of both NSClient_version and PING. If I look in the log ...
1
vote
2answers
388 views

Monitor remote Ubuntu server's bandwidth usage using Nagios?

I recently setup Nagios for the first time and I love it so far. Figuring out how to better organize all those config files took a while, but once I had a better understanding of everything I'm really ...
1
vote
1answer
1k views

how to use check_graphite plugin for nagios & graphite integration?

I attempted to use the check_graphite.py plugin but was not successful. Can anyone point out where I am going wrong? xxx@xxx-Aspire-5738:/usr/lib/nagios/plugins$ python check_graphite.py -u ...
1
vote
1answer
286 views

Nagios NSCA - Status Information “OK”

Thanks for taking the time to read this post. Basically I have Nagios receiving status updates from workstations in my LAN, I have a simple .vbs script run on the workstation which gets the file ...
1
vote
1answer
834 views

Nagios check_nt plugin is not showing status properly

I have installed nagios3 on ubuntu server with NSClient installed on windows servers. The nagios server is getting the information from windows server properly but the status of server is showing ...
1
vote
1answer
374 views

Why isn't Centreon graphing all the series?

I am using Centreon with Nagios, and one of our plugins returns the following performance data: 0000 : memory OK | memory-slab-cache=32636928(octets); memory-swap-cache=827392(octets); ...
1
vote
1answer
46 views

Nagios plugin check_snmp_int does not match regular expression

I am using nagios plugin check_snmp_int with -n switch. Help show: -n, --name=NAME Name in description OID (eth0, ppp0 ...). This is treated as a regexp : -n eth will match eth0,eth1,... ...
1
vote
1answer
97 views

Nagios check unknown custom script

I have bash script that returns right results when I run as user nagios manually. It fails as unknown when configured in in nagios configs. Entries in nagios configs define command { ...