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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54 views

Icinga 2 vs Nagios 4 vs Shinken 2 : is there Performance Benchmarking comparison available?

I am not able to find out any link that displays the benchmarking report for the cores. We have to monitor 50,000 hosts and 30 services per host per minute host check : icmp per 5 minute service ...
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2answers
1k views

Nagios: Service dependency on same host for an entire hostgroup

I have a Nagios system with a large number of hosts categorised in different hostgroups. Each of these hosts has two services monitored on it, one of which is intended to be dependent on the other - ...
-3
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0answers
9 views

Nagios archive logs missing and unknown error type/description [on hold]

Scenario 1: Earlier archive logs in nagios were missing its shows in main cfg file but day after when moving to archive the exact logs are not stored especially its store only at time 12.00am logs ...
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1answer
1k views

Nagios NRPE plugin check_ad - Fixed

i've reading about this problem much and trying to solve it on my own ways but still not luck. I've running debian 7 as nagios server. Problem is that i cant check state of my Active Directory Domain ...
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1answer
502 views

Nagios - Could not complete SSL handshake

I'm trying to configure Nagios command for checking status of physical memory on a remote Windows host using NRPE plugin. I'm using Nagios v3.0.6 on Ubuntu Server v14.10, and latest stable version of ...
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1answer
37 views

Nagios Core to monitor Cisco VPN Tunnel

I am able to see if a VPN tunnel is up using check_snmp. The OID for one of my tunnels is .1.3.6.1.4.1.9.9.171.1.2.3.1.35.3002962. When the tunnel is up, no problems. The problem, is when the ...
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1answer
27 views

Windows Network Interface Monitoring - Nagios/Powershell

Function netstat { Get-WmiObject Win32_PerfFormattedData_Tcpip_NetworkInterface | where{$_.Name -eq "vmxnet3 Ethernet Adapter"} | % { 'OK | Rx-B/s= {0:0}; Tx-B/s={1:0}' -f ($_.BytesReceivedPersec), ...
0
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1answer
21 views

How to get check_mk BI aggregation status when tab is collapsed in tree?

Check_mk provides the script check_bi_local.py to make a nagios check from the status of the BI tool. The issue is that this only returns the elements of the view that are expanded in the tree. Is ...
3
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1answer
13k views

How do I add a host in icinga-web?

how do I add a host in icinga-web? Do I need to modify access.xml and rebuild the cache? Or can I have a configuration similar to icinga/nagios?
3
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1answer
2k views

PHP Error / Mk-livestatus in Nagvis

I have Nagios and Nagvis installed via Debian packages, but when I run Nagvis and try to get into the "General Configuration" menu I get this error Error: (0) Array to string conversion ...
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2answers
4k views

How I can check for exact amount of space (MB or GB) in Nagios using check_nt command instead of percentage used value?

How I can check for exact amount of space left (MB or GB) in Nagios using check_nt command instead of percentage value? Currently I'm using this command: check_command ...
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1answer
1k views

Adding custom service to nagiosgraph

I have successfully added nagiosgraph to our nagios installation. I also added a memory checker plugin, from here : http://blog.vergiss-blackjack.de/2010/04/nagios-plugin-to-check-memory-consumption/. ...
0
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1answer
57 views

Nagios service running, web site error: Could not read host and service status information

Nagios was upgraded from 3.5.1 to 4.0.8 I wanted to ask this in the nagios support forum, but an hour later, I do not receive a confirmation email for setting up my account... nagios seems to run OK ...
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4answers
3k 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 ...
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1answer
191 views

NRPE (Winrpe) Powershell Command - Unable to read output in Nagios

I'm trying to run an Powershell script from NRPE.cfg and get the output in Nagios. When i run the script on the local (Windows) server, everything is just fine. But when i put it in the NRPE.cfg en ...
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1answer
1k views

FreeNAS/FreeBSD: How to access status of ZFS volume from jail?

I am trying to set up NRPE to enable remote Nagios monitoring of a new FreeNAS 0.91 system. I mostly have this working. I can connect and inquire about basic information like number of processes, ...
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1answer
25 views

File age check with event handlers in nagios

Problem I'm trying to solve: - Monitor a log file's age and if it is older than a certain threshold restart a bunch of associated services. Solution so far: - This is fairly straightforward and we ...
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0answers
8 views

SCOM 2012 - service flapping and notifications

I am trying to untangle SCOM 2012 install created by someone else and I noticed that alerts for the same monitor are being sent multiple times per hour littering my mailbox. From my previous ...
3
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2answers
929 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 ...
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3answers
25 views

Use Nagios to monitor 2 locations

As I am new to Nagios, I would like to ask if anyone knows how to monitor 2 physical locations using Nagios. So for example, we are having 2 datacenters which are interconnected. I have set-up a ...
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1answer
1k views

NSClient++ FAIL on Windows 2008 R2 — PDHCollector.cpp(215) Failed to query performance counters

I am attempting to monitor windows server 2008 r2 x64 Enterprise with Nagios. When I test/install the nsclientI get the following error: PDHCollector.cpp(215) Failed to query performance counters: ...
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1answer
1k 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: ...
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2answers
3k views

pnp4nagios does not generate perfdata

I am running nagios2, pnp4nagios-0.6.16 and php 5.2.4-2ubuntu5.19. In my setup, pnp4nagios is correctly generating perfdata, which can be seen via the web interface in graphical form for lots of ...
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1answer
1k 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 ...
0
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1answer
41 views

Nagios3 with check_radius.pl and check_redis.pl (conflict?)

Using Nagios3 on Ubuntu 15.04 to monitor a dozen or so CentOS, RHEL and Ubuntu hosts. Everything works just great, including the check_radius.pl plugin (3 hosts). After installing the Redis plugin ...
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2answers
3k views

check_ssh executed from Nagios server returns “Server answer: ”, nothing else

Commmand works on the host I need to monitor (its IP is denoted as $HOSTADDRESS$ here): [root@host ~]# /usr/local/nagios/libexec/check_ssh localhost SSH OK - OpenSSH_4.3 (protocol 2.0) However, on ...
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0answers
14 views

Using pysnmp traps to update nagios services status [migrated]

I have a problem where I need to alert nagios about a problem with a host; however, this alert needs to be sent from a host that has access to the data used to generate the alert. I know that Nagios ...
6
votes
2answers
5k views

How to check HTTP response code of a secured 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 ...
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0answers
17 views

Unable to Add Plugin to Redis [migrated]

I modified a simple ruby plugin and am trying to get it to run on my redis server (not using npre to monitor remote hosts yet). The command is in the redis plugins directory: ...
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1answer
22 views

Add existing hosts to hostgroups in Nagios

How can I add existing Hosts to HostGroups in Nagios XI, automatically? For example, I have an existing 100+ Windows servers that I want to add to a hostgroup called "Windows".
3
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1answer
72 views

How to import custom korn shell script into Nagios monitor

Our company is consolidating our monitoring solutions (WUG, Cacti, Zabbix) to Nagios. I have used Zabbix for years, and am trying to understand how to get Nagios to report on applications that I have ...
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1answer
51 views

Nagios check_service.sh error redis-server unrecognized service

I have an issue withe Nagios Monitoring. I have following configuration: in commands.cfg define command{ command_name check_service.sh command_line ...
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1answer
27 views

Best practice to handle service windows for passive checks in Nagios/Icinga

With active checks, regular service windows can easily be handled using time periods and check intervals. How do you handle this for passive checks?
2
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1answer
26 views

Change filename format for Nagios archived logs to use different date format?

I have just set up a Nagios server, and by default it keeps archives of the log messages in /var/log/nagios3/archives. However the files are named with US style date format, like ...
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3answers
5k views

How to monitor memory usage of linux server using nagios

Just installed nagios on a central machine and nrpe on 10 remote linux machines and just started monitoring them. It works great. I can get cpu load, current users, processes, mysql, etc. I can't ...
0
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1answer
49 views

How to set port no in host.cfg file and use it in services.cfg file in nagios

I have hostgroups.cfg file in which i have different hosts with different port no. I want to pass port no for every host to services.cfg file where i have put check_http command. As my different ...
3
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3answers
11k views

nagios nrpe unable to read output

I'm trying to use check_nrpe to check on a remote server, but it's not working and I can't figure out what am I missing... # /usr/lib/nagios/plugins/check_nrpe -H XXX -c check_load -a 6,5,4 8,7,6 ...
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1answer
38 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{ ...
3
votes
1answer
92 views

Daemon to manage maintenance scripts

I have a bunch of "night shift scripts" to maintain a server. The problem is, the "action window", when those scripts may run is always different. Sometimes there's nothing going on for minutes and ...
0
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1answer
4k views

nagios check_snmp ifoperstatus not OK

I'm reading Monitoring Routers and Switches page, in particular "Monitoring SNMP Status Information" section. quote: In the example above, the "-o ifOperStatus.1" refers to the OID for the ...
2
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2answers
44 views

How do I override grsec?

After a reboot recently, I have a pair of servers that are now unable to monitor their disk status. Nagios reports: HP RAID Array UNKNOWN Error: No controllers detected. -/-/- (LD : []) I get the ...
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0answers
40 views

Nagios - Only Want Alert if Service Failed for 15 minutes

I read through the documentation and thought my services would alert me 15 minutes after going critical, but I am getting the emails right away. /etc/nagios/nagios.cfg command_check_interval=1 ...
0
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1answer
15 views

Monitor file access with ACL enabled

I would like to check that user 'robert' has read access to a file but is not enabled neither write it nor execute it. Since acl are enabled, there is more than one way to do it. I would like to ...
0
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1answer
33 views

How to search Nagios by service?

I'm trying to search for Current Load across all my hosts but Nagios Quick Search returns nothing. I've found this thread about it possibly just searching host names or aliases. Is there another ...
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1answer
3k views

Nagios SMS notification with gammu smsd does not work

gammu-smsd configuration: #vi /etc/gammu-smsdrc # Configuration file for Gammu SMS Daemon # Gammu library configuration, see gammurc(5) [gammu] # Please configure this! port = /dev/rfcomm0 ...
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3answers
890 views

monitoring switches with Nagios

I'm trying to monitoring switch with Nagios. I had made everything like in this tutorial, but I'm getting Status Information in Nagios browser window like this: (Return code of 127 is out of bounds - ...
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vote
3answers
476 views

Escalate a notification regardless of timeperiod

My oncall rotation defines time periods based a persons geo graphic location. But our escalations need to go out to the entire team regardless of when they occur. Currently the only way I've found ...
4
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1answer
232 views

Nagios: How to aggregate a large amount of notifications into one email notifcation?

I have a Nagios server which monitors many servers. There's a dashboard which has been coded in-house and it sends monitoring data using passive checks to the Nagios server. Whenever an issue occurs, ...
3
votes
2answers
398 views

Nagios load spike every 7 hours

I have a NagiosXi server monitoring 631 services on 63 hosts. Every seven hours the load on the server spikes up to 20ish and then gradually falls back to near-0. There are no cron jobs running every ...
5
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1answer
220 views

Nagios alert based on scheduled MySQL queries results

I have installed Nagios 4.0 on my Ubuntu 14.0 and i want a plugin to alert me based on daily scheduled MySql queries .. if the result of ( select count(*) from tableName > 10 ) raise a critical ...