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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1answer
15 views

Unable to Add Plugin to Redis

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: ...
0
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1answer
15 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".
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1answer
22 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
49 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
17 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
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1answer
22 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
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1answer
29 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
26 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
39 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
29 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
13 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
25 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 ...
5
votes
1answer
193 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 ...
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0answers
11 views

Command piped - nagios information status not expected

First of all, thanks for reading. I am configuring a new service, basicly this checks the number of entries on de home directory, is very simple. define service{ use ...
1
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0answers
35 views

Monitoring maximum number of locks in PostgreSQL with Nagios

I'm wondering if the limit for the number of locks in PostgreSQL is fixed, or if it depends on the number of open connections. The docs say the limit is max_locks_per_transaction * (max_connections + ...
4
votes
1answer
84 views

Configuring nagios notification settings to be very frequent

I've set up a Proxmox VE Cluster with three nodes. Each nodes has a number of VMs running on it. I'm using the PVE Monitor Plugin to set up the hosts and services, which works fine. My issue is that ...
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0answers
53 views

Trying to auto-register a Nagios NSCA client

I am setting up Nagios monitoring using NSCA to report in from monitored hosts and all monitoring is using passive checks. Currently the monitored hosts each have a configuration file in the nagios ...
0
votes
2answers
61 views

supermicro servers - ipmi / nagios disk monitoring

I have several machines from this manufacturer in my group. I'm looking for a method / process to monitor disk health. IPMI doesn't seem to offer anything beyond fan speed and CPU temperature. Has ...
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1answer
111 views

Monitoring a cluster storage on Microsoft Windows Server 2012 R2 HyperV via SNMP

As a part of my task of monitoring our whole server environment it is planned to check the cluster storage (cluster shared volume, csv) of our HyperV cluster with Check_MK/Nagios3. Exactly needed is ...
2
votes
2answers
99 views

Nagios Basic Configuration (for quick addition of new machines)

I recently started to use Nagios to monitor about 25 servers (mainly virtual, with some standalone). Them majority of the servers (including the Nagios host itself) are running Ubuntu 14.04 LTS, with ...
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0answers
118 views

Nagios check_http gives 'HTTP/1.0 503 Service Unavailable' for HAProxy'd site

I asked this on stackoverflow, but I think it's better suited for here. Can't figure this one out! OS: CentOS 6.6 (Up-To-Date) I get the following 503 error when using my nagios check_http check ...
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0answers
54 views

timeout errors from nagios / SNMP

Am monitoring ~100 remote hosts via a VPN using check_snmp_process.pl. For many months this has worked just fine. Over the weekend I started seeing ERROR: Alarm signal (Nagios time-out) errors from ...
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0answers
214 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 ...
1
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1answer
43 views

Nagios: dynamic check_load based on number of cpu/cores/threads, is there something like this?

I'd like to make order in our Nagios, in the check_load service. There is no hardware baseline in my company and each server has it's own different specs, which means that the check_load script ...
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0answers
56 views

how to monitor lxc services in production server

I want to monitor services running in lxc such as nginx, node, database, ect.. I have installed lxc in our production server to have service run in separate containers like database run in one lxc ...
0
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1answer
73 views

Reset Nagios LogServer admin password [closed]

I've lost my admin password to Nagios Log Server console. How can I recovery or reset admin password?
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2answers
147 views

Nagios Event Handler/Command not executing

I'm trying to configure my Nagios setup to automatically log a ticket in our ticketing system when a host goes down (PING service goes into a HARD CRITICAL state). I've got a script that will create ...
0
votes
1answer
438 views

nsclient - debugging connection issues

I have numerous windows clients that I want to monitor via nagios/nsclient. I've installed the latest nsclient on two win7 x64 and one win2012 r2. Of these one win7 works while the other two machines ...
2
votes
1answer
81 views

Nagios alert “ESX3 Critical - Error: Cannot complete login due to an incorrect user name or password” after changing root password via vSphere

I currently just inherited Nagios administration after an employee was let go a couple of days ago. As part of our procedures for exiting employees, we changed passwords for all accounts the employee ...
1
vote
2answers
126 views

Command file 'nagios.cmd#015' does not exist issue if passivecheck is sent to NSCA daemon

Introduction As /usr/local/nagios/etc/nsca.cfg is replaced by the default config if opsview has been restarted the reference to this file that resides in /etc/init.d/opsview was changed to ...
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0answers
21 views

Nagios authentication when calling CGIs?

I'm trying to use the new JSON CGI that comes with Nagios 4.0.x as part of a website. The CGI returns JSON strings when executing for example this URL: ...
0
votes
1answer
29 views

AND / OR service dependencies in Icinga / Nagios

I've been setting up an Icinga instance using service dependencies as so: define servicedependency{ dependent_host_name ahost dependent_service_description ...
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0answers
39 views

Nagios plugin quits when encountering the bc command— how to diagnose?

I've written a nagios plugin using the bash scripting language. When I run this script by hand it works with no issue. Putting it into a nagios plugin however, using the same parameters, leads to ...
3
votes
5answers
309 views

Windows Pagefile monitoring with Nagios

I have a NAGIOS check that monitors virtual memory on a windows machine, this check returns all the virtual memory used (physical+ max size of the pagefile). This is not what I want, I have tried to ...
1
vote
1answer
29 views

Starting lighttpd from nagios renders lighttpd broken

I'm using Debian 7.8 (wheezy), and lighttpd 1.4.31 with nagios 3.4.1. when I start lighttpd normally (as root), everything works as expected: /etc/init.d/lighttpd start However, when nagios starts ...
2
votes
1answer
198 views

Monitoring HP Smartarray (cciss) with nagios

I'm trying to monitor an HP Smart Array controller using nagios. I have 4 disks on 2 RAID1 arrays, so 2 disks per RAID1. I installed nrpe-server and nrpe-plugins and I'm using the almighty check_raid ...
0
votes
1answer
31 views

Nagios sending notifications even when it shouldn't

I have a bunch of non-server gear for which I would like to track downtimes, and therefore I have integrated them in my Nagios collection (so that I can generate availability reports). However, I ...
1
vote
1answer
78 views

Nagios escalations not triggering

I'm currently reworking our Nagios configuration to use templates. I defined some host- and services templates like this: define service { name ...
1
vote
0answers
30 views

Script to verify/monitior HTTP caching headers [closed]

We'd like to verify that all our websites use the correct HTTP caching headers. Is there a script out there to make a request to a website, check its response headers and report whether it will be ...
4
votes
2answers
79 views

Nagios: How to allow a non-admin user the correct permissions to be able to acknowledge alerts?

Sometimes there are alerts which are not so urgent and can wait for the next morning until they are taken cared of. During these times, the NOC team keeps getting alerts regarding the problematic ...
1
vote
1answer
18 views

Include check_command with nagios/icinga alerts

Is there a way to include the check_command that is being used when being alerted via Nagios or Icinga. Example: define command { command_name check-x-dc6.x-icmp command_line ...
-3
votes
1answer
50 views

Configuring Nagios

We're using Nagios based Op5 to monitor hosts. I've minimum requirement to check a host if it is live or not. So I simply want to know if a host is live with max RTA of 10 seconds. I don't care how ...
3
votes
1answer
127 views

NRPE: Custom script returns unable to read input, but the script works correctly, what could it be?

I wrote a Nagios check script which receives a path as argument and checks: if the path is mounted if it is accessible by touching a file in the path. If the mount point directory is empty ...
0
votes
2answers
82 views

What data does nagiosgraph need from my plugin?

I've been searching high and low for a good explanation of how I should return data from my custom Nagios plugin to make sure that Nagiosgraph will be able to parse it. One place suggests the format ...
-1
votes
2answers
77 views

Nagios plugin executes manually but not automatically

After some trial and error I managed to get the check_hwinfo plugin only partially working. And by partially I mean manually. In my '/usr/lib64/nagios/plugins' directory I have the ...
0
votes
1answer
186 views

Monitoring PostgreSQL replication with Nagios and check_postgres shows intermittent delay

I have a master and hot standby setup with PostgreSQL 9.3, and I'm attempting to monitor the state of replication on the standby using the check_postgres tool and the "hot_standby_delay" action. This ...
1
vote
2answers
170 views

How might I cancel scheduled downtime on Nagios

I have a Nagios 3.5.1 monitor up for a bunch of servers. In doing an action like a Drupal or Wordpress core upgrade, I down the sites and set Nagios to scheduled outage. Sometimes I finish in under ...
0
votes
3answers
131 views

NRPE commands doesn't work when called from remote management host

First of all: I know there were already questions about this issue, but even using their answers I still cannot figure out why my command is not working. What I want to do is call a script on remote ...
1
vote
1answer
97 views

Nagios check_procs state filter

I'm on Ubuntu 14.04 and trying to run /usr/lib/nagios/plugins/check_procs -C rsyslogd -w 1:3 -c 1:5 -s S and it returns PROCS CRITICAL: 0 processes with command name 'rsyslogd', STATE = S | ...
0
votes
1answer
121 views

Can OpsView or Nagios be set up to report on a device based on status emails it sends out?

I'm looking at setting up a Nagios (or perhaps OpsView) server for monitoring our network. I have a few periphery devices whose oid schema doesn't include nodes for some metric I want to monitor. ...