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
22 views

What services does Nagios notify per contact?

In Nagios 3.2.3, I'd like to see all the hosts/services that send notifications to a specific contact. Is that possible?
-2
votes
1answer
43 views

How does one add commands to nrpe.cfg for Percona MySQL plugins on NRPE client? [closed]

How do you add commands to nrpe.cfg for Percona MySQL plugins on NRPE client? To configure percona-nrpe plugins for mysql you will have to do 3 things viz : 1. define commands in command.cfg 2. ...
1
vote
1answer
29 views

Nagios/NSCA: Command file '/var/nagios/rw/nagios.cmd' does not exist

I installed nagios on Centos and I also want to enable NSCA on the host. The client is already configured and is sending data (I can see it when I tail the logs). However, I'm seeing the following ...
-2
votes
0answers
23 views

Nagios in webroot

I have just setup a test Nagios system on a Ubuntu 14 VM. For those of you familiar with Nagios, you know it defaults to /usr/share/nagios3/htdocs and when you browse to it, you use ...
1
vote
2answers
34 views

Nagios Host Stacked Graphs

I've got several identical front end web servers which are monitored by Nagios for various services and host performance stats (application metrics, memory, cpu etc...). I also use the graph explorer ...
1
vote
1answer
20 views

How to determine what command is run in a Nagios service?

I'm trying to debug why a Nagios service is failing; AFAIK, it began failing suddenly, without any change being made that we're aware of. I'm attempting to find a principled way to go from service to ...
0
votes
1answer
6 views

Not getting Proper output for check_iostat for nrpe plugins

My iostat is giving following output $ iostat Linux 3.13.0-29-generic (Inksedge) 08/13/2015 _x86_64_ (4 CPU) Device: tps kB_read/s kB_wrtn/s kB_read kB_wrtn xvdap1 ...
1
vote
1answer
34 views

NRPE check parameters getting lost

I'm running Shinken and have a pack which includes several commands that run bash scripts on the monitored host via NRPE. I have a check on the host which runs a bash script that takes 4 parameters. ...
1
vote
1answer
21 views

NRPE 2.15 - check_procs not showing right value

I've got Nagios Core Version 4.1.0rc2 configured server-side with a client running NRPE 2.15. I've got the two devices properly communicating using the check_nrpe command, but for whatever reason the ...
0
votes
1answer
17 views

Debugging Nagios notification failure

I have spent the day setting up custom twitter notification on nagios. Everything seems to be in place and the notifications seems to be triggered but the script is not called. my contacts ...
0
votes
1answer
46 views

check_mk Nagios Plugins

I am trying to move from Nagios to OMD, however, I have a Nagios plugin which I really need (phpfpm) but I am unable to add the plugin to check_mk. On the check_mk website says that you should use ...
-3
votes
2answers
61 views

VMware ESXi 5.5.0 server - nagios monitoring [closed]

I have a VMware ESXi 5.5.0 server and I want that my Nagios server can monitor it. How can I install the nagios-tools on the ESXi 5.5.0 server?
1
vote
1answer
44 views

Why are my passive checks not processed?

I have the following service configuration to capture SNMP traps: define service { name SNMP_TRAP service_description SNMP_TRAP ...
1
vote
1answer
70 views

check_mk: global name 'entry' is not defined

I'm having a ton of trouble with a nagios installation I've been working on powered by check_mk and OMD. When using the web gui to manage check_mk, the notifications page displays the following Python ...
1
vote
1answer
56 views

Nagios: Could not resolve hostname

My setup: hosts.cfg - contains definitions for each host under monitoring, e.g.: define host{ use linux-server host_name rdss-vpn ...
0
votes
0answers
24 views

How to install and configure Nagios-MNTOS?

I just tried to configure MNTOS for my 2 Nagios server. I'm very new to this tool. I do not get a clarity on the installation. Should i install MNTOS on a separate server or any of my 2 Nagios ...
-1
votes
2answers
34 views

Checking ldapsearch and ldapsearch -h 127.0.0.1 -Z -x in nagios [closed]

Basically I just want to ensure whether ldapsearch and ldapsearch -h 127.0.0.1 -Z -x I did some check_ldap command and it's fine but I specially want to verify ldapsearch and ldapsearch -h ...
0
votes
0answers
66 views

check_snmp plugin on nagios returns: External command error: snmpget: Authentication failure (incorrect password, community or key)

I’m trying to check the uptime of a Cisco 2960X switch on Nagios with check_snmp plugin but I always get the following error: [root@nagios]# /usr/lib64/nagios/plugins/check_snmp -P 3 -U snmpv3user -L ...
0
votes
0answers
12 views

Monitor Log File With Nagios based on description [duplicate]

We have a Log file on our system which monitors our back-up system. If there is an error in the backup system, an error message is added in the log file. Can we monitor that there is an error message ...
2
votes
2answers
36 views

Define service for all hosts that belong to all the given hostgroups

I can not figure out how to create a service for all hosts that are in 2 given hostgroups. Example hostgroups: oracle: hostA, hostB prod: hostB, hostC Now I need a service for all hosts that are ...
0
votes
0answers
29 views

How to forward incoming SNMP trap from Nagios To Other Application

I have a setup in which all devices are sending snmp traps to Nagios. I have a application behind Nagios which will processes snmp traps. Now what I want is every snmp trap coming to Nagios should be ...
1
vote
2answers
41 views

check_nrpe ssl couldnt complete handshake, in both master and client server it works fine individually

I am getting this check_nrpe ssl couldnt complete handshake error in master server when I try executing the below command. /usr/local/nagios/libexec/check_nrpe -H 10.192.122.234 10.192.122.234 ...
1
vote
1answer
59 views

Remotely monitoring ISC DHCP Server with Nagios

I have a WAN and I'm trying to use Nagios to check that a DHCP server in a subnet not directly visible to the Nagios box is up and handing out IP addresses, and I've been unable to make this work. I ...
-3
votes
1answer
48 views

which port is used on nagios check_nrpe, is the ssh connection is must between nagios master and client server [closed]

I have configured the nagios master server and nagios client servers, still after lot of debugging i couldn't achieve the communication btwn these two :( i am getting this generic error CHECK_NRPE: ...
0
votes
1answer
38 views

Nagios 4.0.x - Mail notification only sending to the first contact of contactgroup

I have a working Nagios solution since about 4 years. I noticed some time after updating Nagios 3.5.x to a 4.0.8 version, one person havn't received any error notifications. Nothing changed on our ...
0
votes
1answer
45 views

Monitoring Processes in Detail - not summarized [closed]

I want to monitor the running processes of a linux machine over time. My do-it-yourself solution would be: Dump ps aux --forest every minute to a file. Background: If I get a message "something ...
1
vote
0answers
140 views

UNKNOWN: No handler for that command

I have the check_task.vbs placed in C:\nsclient++\scripts on a Windows Server 2008 R2. I defined in the NSC.ini a NRPE Handler like this: [NRPE Handlers] check_task=cscript.exe //NoLogo ...
0
votes
0answers
42 views

nagios check fails on nagios host but works locally

I wrote a small bash script to use with nagios to check if nrpe is running. The check works locally when run as root, but fails from the monitoring host. From the host I'm trying to monitor, I ...
0
votes
1answer
83 views

check_mysql_slavestatus RPE: Unable to read output

i am using Nrpe plugin on Ubuntu from nagios exchange check_mysql_slavestatus. Manually its working from : root@Bastion-01:/usr/local/nagios/libexec# ./check_mysql_slavestatus -H Slave-ip -P 3306 ...
1
vote
1answer
30 views

Configure Nagios to read from SharePoint Online list

I have a SharePoint Online list with domains and the dates on which they expire. I would like to be able to configure Nagios (Centreon 2.1.6) to read the expiry date of a domain from the list and ...
0
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0answers
24 views

Icinga DB Monitoring Null output

Hi I have deployed icinga monitoring solution using the blog which is here Now I want to monitor multiple DB servers which are windows DB servers. I have placed the service description for DB ...
0
votes
0answers
49 views

chef nagios monitor node outside VPC in AWS

I used the chef community cookbook to setup nagios inside a VPC in AWS. All my nodes in my chef setup are found correctly and added to nagios automatically, and the nodes that are inside the VPC with ...
1
vote
2answers
709 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 ...
1
vote
1answer
121 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 ...
0
votes
1answer
96 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
votes
1answer
1k 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 ...
0
votes
1answer
44 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 ...
0
votes
0answers
24 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 ...
0
votes
1answer
63 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 ...
0
votes
3answers
54 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 ...
0
votes
1answer
72 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 ...
0
votes
1answer
54 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".
0
votes
1answer
126 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 ...
3
votes
1answer
118 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 ...
2
votes
1answer
73 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 ...
1
vote
1answer
56 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?
0
votes
1answer
89 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 ...
0
votes
1answer
402 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
2answers
70 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 ...
0
votes
0answers
83 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 ...