Nagios service is not scheduled to be checked. Because this option will .

Nagios service is not scheduled to be checked. log for a handful of hosts that have a specific timeperiod for checks set. This contrasts with active checks, where Nagios is responsible for executing the checks on a schedule. After that, execute the command above to view the When a host or service is in a period of scheduled downtime, Nagios will not allow notifications to be sent out for the host or service. Check performance data is internal data that relates to the actual execution of a host or service check. how "late" was the service check from its scheduled execution time) and the number of seconds a host or service check took to execute. It's modular, it's simple (but not easy) and it's battle-tested. cfg file content. =20 =20 Thanks in advance =20 =20 =20 =20 View entire checked or scheduled to be checked. In service state information i get: Last Check Time: 11-10-2008 08:52:01 Check Type: ACTIVE Next Scheduled Check: N/A definition of service is define service { use generic-service host_name AS400DEV service_description Check_Backup check_period 24x5_8am normal_check On-demand as needed Regularly scheduled checks occur at intervals equaling either the check_interval or the retry_interval in your host or service definitions, depending on what type of state the host or service is in. While there is the Test Check Command button in Core Configuration Manager (CCM), this does not always work as expected due to: PHP character escaping for special characters It is executed as the apache user instead of the nagios user Due to these limitation, testing some check commands really need to be Oct 11, 2016 · Problem Description When you attempt to scheduled downtime for a host or service the downtime never appears despite being informed it was successfully added. Notification Basics Nagios XI has Host Escalations and Service Escalations that allow for enhanced notifications. Oct 5, 2017 · Nagios is the industry standard for monitoring network infrastructure. While monitoring wizards makes it easy to set up new services in Nagios XI, the CCM allows for more precise control over service monitoring, notifications, and configurations. Feb 7, 2025 · NSClient++ is an open-source monitoring agent for Windows systems that enables Nagios XI and other monitoring tools to collect system performance data, check service statuses, and monitor event logs. interface for Next Scheduled Check. This is done by spacing the initial checks out, as well as interleaving them. The nagios module is not idempotent. Regularly scheduled host and service checks will not see a performance improvement with use of cached checks. I want both active and passive checks, because I'm experimenting with my own distributed monitoring system (which is a first for me). Active checks are initiated by the check logic in the Nagios Core daemon. Purpose This document describes how to utilize the different features of the Nagios XI interface to view detail information about hosts and services. check_mk can easily integrated into any existing Nagios installation of version 3. The check logic inside Nagios process starts the Active check. LibreNMS doesn't allow this, so you cannot define a check and apply it to a group. When Nagios Core needs to check the status of a host or service it will execute a plugin and pass it information about what needs to be checked. The script […] Purpose The purpose of this document is to show how you can schedule downtime for a service, host, hostgroup or servicegroup within Nagios XI 2024. but after few seconds when I refresh When a host or service is in a period of scheduled downtime, Nagios will not allow normal notifications to be sent out for the host or service. suppression of notifications is accomplished by adding an additional filter to the notification logic. cfg and search for this option service_check_timeout=60. It will, however, still perform on-demand checks of the host as needed for other parts of the monitoring logic. e. May 16, 2016 · I am trying to schedule and cancel downtime in Nagios core 4. Aug 27, 2020 · In part 1 of this series (read it here), we installed and configured the Nagios server. They key features of passive checks are as follows: Passive checks are initiated and performed external Oct 9, 2018 · For example, when a check fails, recheck it 4 times with an interval of X seconds (instead of the regular check interval) and only alert if it still fails. Passive Check Overview Nagios does not actively check the status of a service that is configured only for passive checks. When Nagios needs to run a scheduled host check, it will initiate the host check and then return to doing other work (running service checks, etc). The host check runs in a child process that was fork ()ed from the main Nagios daemon. Service check Latency is the difference between when Nagios scheduled a check to run and when it actually ran. Oct 25, 2019 · Nagios Plugins does not include a service plugin however the linux-nrpe-agent does provide check_init_service. If it doesn't have any dependencies, the check is executed or the notification is sent out as it normally would be. x Version History and update notes Feb 6, 2017 · In Nagios XI versions 5. Mar 8, 2020 · I am using cent OS 7 with nagios 4. Mar 6, 2021 · It worked like any more-traditional use of Nagios I'd encountered. Feb 6, 2017 · I think this is happening because I am not able to ping from either server. [Wed Nov 9 23:46:00 2011] Warning: Check of service 'DEAL SERVER SERVICE TCP 4099' on host 'TDUKUBS02' could not be rescheduled properly. This can be useful if a machine is running at too high a load and you do not want to consider a failed service check to be critical (the default). service - LSB: Starts and May 6, 2025 · The version was 2. Backups are an important aspect of administration and maintenance of your system. In Icinga you can define (service or host) groups and apply service checks to these groups. Synopsis Parameters Examples Synopsis The nagios module has two basic functions: scheduling downtime and toggling alerts for services or hosts. We move to 2. Purpose This document describes how to monitor Windows machines with Nagios XI using Windows Management Instrumentation (WMI). If the age of the last Nov 15, 2020 · 'Last check time not updating in Nagios XI' arises due to connection issue to backend historical database, crashed database tables & so on. Oct 11, 2016 · Problem Description When you attempt to scheduled downtime for a host or service the downtime never appears despite being informed it was successfully added. This is a read-only operation and does not modify any data within the system. py in cron instead to run across all polling nodes. Why is it so? Feb 10, 2016 · This article describes how to troubleshoot why the Nagios service will not start due to object configuration errors in Nagios Core. Sep 7, 2014 · Hi I have adjusted the Nagios interval_length value to be 1 (from 60) so that several hosts are pinged every second. I recently upgraded to Nagios 3. Additionally, in the /store/backups/nagiosxi/ location there are lots of folders that are not being removed as per the Backup Limit setting. This is useful in the event that you actually know you're going to be taking a server This setting determines the state Nagios will report when a service check times out - that is does not respond within service_check_timeout seconds. Nagios Core uses plain text files for defining the objects that will be monitored. In the current version check_mk includes its own Windows Purpose This document is intended for use by Nagios XI Administrators that want to understand how reports work in Nagios XI 5. To schedule regular checks of a host, set the check_interval directive in the host definition to something greater than 0. Alternatively, you could also replace check-services. 1 Like Extending the Service Check Timeout length GUI stops to show check results cotterse (Sébastien R) June 24, 2020, 9:03pm 3 Feb 22, 2016 · If Nagios is not checking a host or service during a specific time, then it will certainly not send notification during that time. cfg and services. A forced check works, but then subsequent scheduled checks still never execute. I do not know what else to check. x86_64 x86_64 CentOS release 6. Before Nagios executes a service check or sends notifications out for a service, it will check to see if the service has any dependencies. Dec 2, 2008 · All the hosts (after 12 hours) remain as Pending, and when I click on them from Nagios admin interface, I get: This host has not yet been checked, so status information is not available. Nagios Log Server is the perfect solution for this and is strongly recommended over Apr 29, 2018 · REST API - force a scheduled check by shnorkel » Sun Jun 10, 2018 4:41 pm Is this possible given a host and a service in a RESTful way? NSCA (Nagios Service Check Acceptor) is a protocol which is used in reveres of the other common Nagios protocol NRPE. Enable cached host checks. cfg Nagios XI - 2014 Upgrade Issue - CONFIG ERROR Nagios XI - Ajaxterm Installation Aborted Feb 10, 2016 · This article describes how to troubleshoot why the Nagios service will not start due to object configuration errors in Nagios Core. Check results received from external devices / applications is what defines a Passive check. Basically the versions are set to follow tags 2. Instead, Nagios waits for external devices / applications to submit a check result for a particular service. The plugin called check_init_service that is part of the linux-nrpe-agent. When Nagios Core attempts to reschedule a host or service check, it will make sure that the next check falls within a valid time range within the defined timeperiod. If you need to debug the output of services-wrapper. When a Nagios XI Object enters a HARD state (that is not UP or OK) the following The check is failing to be scheduled or executed. You can define service execution dependencies that prevent Nagios from checking the status of a service depending on the state of one or more other services. Feb 17, 2016 · Overview This guide explains how to test check commands from command line in Nagios XI. 0 and 5. This is the response of service nagios status : root@SRV-SUPERVISION-BT:~# service nagios status nagios. Oct 31, 2019 · Checks Microsoft Windows 2008 or higher enabled scheduled tasks excluding or including defined folders, task patterns and authors, returning state of tasks with name, author, exit code, last runtime and performance data to Nagios. Purpose The purpose of this document is to show how you can schedule downtime for a service, host, hostgroup or servicegroup within Nagios XI. cfg Nagios XI - 2014 Upgrade Issue - CONFIG ERROR Nagios XI - Ajaxterm Installation Aborted Service or Daemon Checks Service or Daemon checks are system processes that run in the background, usually configured to start when the system boots. 0-latest with watchtower restarting anytime there’s been a new tag released. A freshness threshold is calculated for each host or service. The host 10. Dec 10, 2024 · Scheduled reports is a feature that is available in the Enterprise Edition of Nagios XI. Learn how to use Scheduled Reports, an XI Enterprise Edition feature, which allows you to see the status of hosts and service groups in near real-time. The idea is that you can submit passive check results to a Nagios server instead of having the Nagios server actively polling. Macro Validity Although macros can be used in all commands you define, not all macros may be "valid" in a particular type of command. Scheduled checks help to ensure that host and service states are updated regularly, which may result in a greater possibility their results can be used as cached checks in the future. This problem can be caused by the Nagios XI server being unable to resolve " localhost ". Jan 28, 2019 · A good place to start is always the Nagios documentation: How Does Freshness Checking Work? Nagios periodically checks the freshness of the results for all hosts services that have freshness checking enabled. I was testing with my first host and first service, but they are never checked or scheduled to be checked. NRPE was also originally developed as a Linux agent. 5. 8. running 'bin/nagios -s etc/nagios. After that, execute the command above to view the Dec 12, 2011 · When defining and testing new services in nagios I have been restarting nagios, then clicking the service, and rescheduling a check for as soon as possible, then waiting until the check happens. 4. ndo2db is failing to insert the check result into the "nagios" mysql database or the Nagios XI frontend database query is failing. For this reason, a PowerShell script will execute from a Scheduled Task on the monitored Windows host (s) that submits passive checks to the nagios server via HTTP. A brief explanation of notifications is required first. Is Hi - does anyone know the answer to the following errors I'm getting in the nagios. Sep 17, 2024 · See all Nagios Core 4. Explanation The root cause of the issue is that the backups are failing. py then you can add -d to the end of the command - it is NOT recommended to do this in cron Specifying a timeperiod in the check_period directive allows you to restrict the time that Nagios Core perform regularly scheduled, active checks of the host or service. Purpose This document is intended for use by Nagios XI Administrators that want to understand how reports work in Nagios XI. Without installing an agent on the Windows box, Nagios would be unable to monitor private services or attributes of the Windows box. Aug 21, 2025 · Problem Description When looking at the location that the scheduled backups are stored in, there are no new xxxxxxx. py plugin uses to get the check results for things like the CPU, interface, memory, and disk. When Nagios (re)starts, it will attempt to schedule the initial check of all objects in a manner that will minimize the load imposed on the local and remote hosts. cfg' will provide you with a Apr 8, 2016 · Good morning, I have a problem with my Nagios configuration. The following Video Guide and Documentation covers the basics of We have multiple Nagios servers set up that all execute all service checks properly except our ping checks which are constantly stuck in a pending state. This is the global check timeout for service checks. I checked that Nagios has permissions to the plugin. 32-573. [prev in list] [next in list] [prev in thread] [next in thread] List: nagios-users Subject: [Nagios-users] 'Service is not scheduled to be checked' & 'Host From One quick note - if you have service checks which use a modem, make sure that any notification scripts that dial out have some method of retrying access to the modem. The assumption here is that the nagios server does not have a method to initiate connections to the monitored Windows hosts to perform active checks via SSH, WMI, NRPE, etc. Scheduling check for next week [Wed Nov 9 23:46:00 2011] Warning: Check of service 'DEAL SERVER . Get started with Nagios monitoring solutions. As of the time of writing, Nagios doesn’t have a built in feature to do this. Check the "Alert Settings" tab under the Host/Service Management page in the CCM for two things: The NCPA Listener service would listen for active checks coming from a Nagios Core or Nagios XI system. 70 has a firewall rule that does not allow ICMP and hence you can see the host object itself is considered down but the services are working OK (except for the ping service of course). Scheduling downtime is an effective way to prevent unnecessary or unwanted notifications from being received during a period of expected service interruption. el6. Passive checks reduce the load on your Nagios XI server by Problem Description In larger deployments of nagios, stopping or restarting the nagios service may result in the error: Nagios did not exit in a timely manner This is due to many factors in large deployments, but basically it is just a timeout issue. Feb 9, 2021 · Installation errors on customized corporate builds of CentOS or RHEL Nagios Core - Failed to register iobroker Nagios Core - Nagios did not exit in a timely manner Nagios XI - ERROR: unable to open include file: conf. By leveraging the Nagios Cross Platform Agent (NCPA), you can integrate your script with Nagios XI for May 28, 2025 · Learn 3 ways to use Nagios XI's Capacity Planning feature to project the resource usage of tomorrow, today! check_mk replaces NRPE, NSClient, check_snmp and other data plugins. Looking in the log files I The check_period option in your host and service definitions is used when Nagios determines when a host or service can be checked for freshness, so make sure it is set to a valid timeperiod. Zero errors in syslog (container and host) In ui-job-scheduler. 2 (from 3. This KB article explains: How Nagios XI sends requests to the NRPE Agent How the NRPE Agent receives requests and executes the plugins The purpose of this KB article is to give you an understanding of how the technology Scheduled Downtime This documentation explains how Nagios allows you to schedule periods of planned downtime for hosts and service that you're monitoring. Oct 17, 2011 · A good example might be running a check that takes several hours to complete—in this case, it does not make sense to raise the global service_check_timeout option, but rather to schedule these checks outside of Nagios and only report the results back to it. New acknowledgements and scheduled downtime are not showing up when created in the XI interface, but when created in the core interface they are showing up for core and XI. Jul 14, 2017 · Overview Nagios Remote Plugin Executor (NRPE) is an agent used by Nagios XI for communicating with remote hosts. Mar 19, 2025 · Learn how to set up email alerts in Nagios XI with this step-by-step guide. Check Intervals - Be Realistic It can be very easy to setup your monitoring with the same intervals across the board. Purpose This document describes how to utilize the different features of the Nagios® XITM interface to view detail information about hosts and services. py plugin to run these active checks from your Nagios server to have your results show up in Nagios. If a host or service is in a HARD state, it will be actively checked at intervals equal to the check_interval option. x. Prior to Nagios 3, regularly scheduled host checks used to result in a big performance hit. When a host or service is in a period of scheduled downtime, Nagios will not allow normal notifications to be sent out for the host or service. gz files being created in this location. Feb 7, 2025 · Changing Host Alive Check An example of a host that is functional, but is considered “Down” by Nagios XI can be seen in the following screenshot. However, the web interface gives the message "Service is not scheduled to be checked" =20 Anyone got any ideas? Aug 12, 2019 · "When Nagios Core attempts to reschedule a host or service check, it will make sure that the next check falls within a valid time range within the defined timeperiod. Resolution: Problem Description This KB article helps fix scheduled reports that are not running, you are not receiving the email that should be sent out. Complete installation guides, configuration tutorials & best practices for all Nagios products & plugins. The problem that I have is that Nagios is not performing checks any more. For new services created using Core Config manager it´s not possible to submit check immediately (sometimes but not always!) - the link "Schedule an immediate check" is not there until Nagios runs the check for the first time - see attached screenshorts before and after 1st check. If it doesn't, Nagios Core will adjust the next check time to coincide with the next "valid" time in the specified timeperiod. The plugin returns a CRITICAL state if the service is not started. Remote hosts are operating systems like Linux and Windows. WMI allows for agentless monitoring of Windows machines without having to install or configure agents. The service check runs in a child process that was fork ()ed from the main Nagios daemon. Note If you want to view the initial service check scheduling information, start Centreon Engine using the -s command line option. Scheduled host checks are run in parallel. Arno > and i defined the time period at the service like this (other options > omited): > > define service { > check_period midnight ; The > service is checked at midnight 23:00 - 01:00 > } > > I did it yesterday and this morning as i checked Nagios i was surprised > because i see this at the service detail page : > all the Status fields are Hi Gurus, =20 I just added a new service check. Below are my hosts. 0-latest yesterday as a part of the update. I checked that Nagios could execute wget (used in the plugin). cfg Nagios XI - 2014 Upgrade Issue - CONFIG ERROR Nagios XI - Ajaxterm Installation Aborted The inter-check delay that Nagios uses to initially schedule service checks (use the -s command line argument to check this) The frequency (in seconds) of service reaper events, as specified by the service_reaper_frequency variable in the main config file. When Nagios needs to run a scheduled service check, it will initiate the service check and then return to doing other work (running host checks, etc). This style of API call is what the check_ncpa. You can specify multiple Apr 2, 2025 · GET – Retrieve Data The GET request is used to retrieve information from the Nagios XI API. For each host/service, the age of its last check result is compared with the freshness threshold. Running an Active Check While you can run a check through the API in your browser, you will want to use the check_ncpa. 4 NagiosXI version: 5. Dec 27, 2019 · Yes, the check_nrpe plugin is run on the Nagios server, but NRPE is an agent that is expected to be installed on the client machine. Setup Service checks are now distributable if you run a distributed setup. The first filter for host or service notifications is a check to see if the host or service is in a period of scheduled downtime. Note: If you want to view the initial service check scheduling information, start Nagios using the -s command line option. More information on dependencies can be found here. If it is in a scheduled downtime, no one gets notified. 3. d/*. 2. A better solution is to send the log file data to a central server and analyze the log data there. In addition to this when you navigate to Home > Incident Management > Scheduled Downtime there are no entries. Nagios also supports a way to monitor hosts and services passively instead of actively. In this article, we will go a step further and add a Windows host to the Nagios Core server for monitoring Jul 19, 2017 · Changing The Check Interval Of A Service In Nagios XI This video tutorial will demonstrate how to change the check interval of a Service in Nagios XI, via directly and through the Nagios Core Config Manager. Check Command: It defines a way of checking the status of a particular service; for example, check_http would be used for HTTP service. ::: Please include Nagios version, plugin version (-v) and OS when reporting any issue. This is no longer the case, as host checks are run in parallel - just like service checks. 8 catdrnd-nagiosxi 2. It adopts a completely new approach of retrieving data from hosts and network components which is very performant and easy to configure - especially in large monitoring environments. So a Jun 17, 2013 · However, a "DOWNTIMESTART" notification will get sent out for the host or service, which will serve to put any admins on notice that they won't receive upcoming problem alerts. The plugin will then check the operational state of the host or service and report the results back to the Nagios Core daemon. The Details menu offers many different ways to view the status of your hosts and services. Monitoring the Nagios XI “localhost” Services you should ideally be monitoring: crond, httpd, MySQL, ndo2db, npcd, and ntpd snmptrapd and snmptt are not present until you follow the XI SNMP Trap procedure. But for fine tuning and reversed (service should NOT be running) checks, check_nrpe with the check_service command needs to be used. But then I hit a snag. } Ok , so i have a service (that check backup) that should run in this period. 1. The Next Scheduled Check for some service shows, Next Scheduled Check: 07-22-2008 09:31:04 Last Check Time:07-22-2008 09:37:53 but the time on nagios server is, Tue Jul 22 09:40:06 GMT 2008 The time is not sync properly and when I refresh the page maually, it shows all services are in green which means all are working ok. tar. If you are using Nagios XI 2024, refer to the updated document. php with services-wrapper. There are ten types of commands that Nagios recognizes and treats May 3, 2016 · Overview This guide on Best Practices is about host and service intervals and what you should take into consideration when designing your monitoring deployment. The Nagios Start Up Guide provides the foundation for installation and initial configuration of Nagios. Oct 25, 2019 · Nagios Plugins Nagios Plugins does not include a service plugin however the linux-nrpe-agent does provide check_init_service. When Nagios (re)starts, it will attempt to schedule the initial check of all services in a manner that will minimize the load imposed on the local and remote hosts. 1 there was a bug in the included Nagios Core version which caused a segmentation fault (crash) in some systems. To monitor hosts and services running on remote machines, Nagios executes plugins and tells what information to collect. 22. Because this option will Mar 18, 2021 · Log Checks Log checks allow you to query log files or Windows Event logs. The NCPA Passive service would send service check results back to a Nagios Core or Nagios XI system. This is helpful for testing, and production. Aug 17, 2009 · Hi, I am having issues with Nagios recently. A couple of things that could cause this -- - Nagios is focused exclusively on only one thing (host checks under nagios-2 for example) - not allowing nagios to run sufficient concurrent checks for your configuration. Core version: 4. When Nagios attempts to reschedule a host or service check, it will make sure that the next check falls within a valid time range within the defined timeperiod. Active checks can be used to "poll" a device or service for status information every so often. Mar 23, 2016 · We have multiple Nagios servers set up that all execute all service checks properly except our ping checks which are constantly stuck in a pending state. The key features of passive checks are as follows: Aug 3, 2021 · If you’re running a Nagios server, sometimes you may want to check all services across all of your hosts. 25. Re: Scheduled ping checks not executing by tgriep » Mon Apr 18, 2016 9:44 pm Try changing max_check_attempts for one of the services that is not working to 2 and see if the scheduler starts to function. I checked that the plugin exists in the plugin directory. Passive checks reduce the load on your Nagios server by decreasing the May 22, 2012 · 6 You could use check_udp and check_tcp if you know which ports should be open. In larger environments, users may want to view status by host or service group, yet smaller environments may prefer to view status by device. When I go check a service the date for the ‘Next Scheduled Active Check’ is set to a date in the past. However, the input (and display) for this particular rule doesn’t consider the adjusted Nagios interval_length. Nov 28, 2017 · Nagios Plugins Nagios Plugins does not include a way to check scheduled tasks. All actions require the host parameter to be given explicitly. 6. Sep 18, 2020 · So check_nt or check_nrpe? For a simple check whether or not a service is running and the service should be running, check_nt with the SERVICESTATE variable is much easier and does the job quickly. Checking log files can be a system intensive process, especially if you have a large log file that is being checked every five minutes. Configure email notifications for system failures and downtime, ensuring real-time alerts for administrators. This can lead to peaks and troughs in load on the XI server as a lot of checks can occur in the same time windows Active Checks Passive Checks Active Checks Active checks are initiated by Nagios process and then run on a regular scheduled basis. I could schedule a downtime for a host using the following cmd: curl --silent --show-error --data cmd Oct 10, 2020 · I have also tried to add an empty check_command line to the definitions of the hosts, to override the check_command parameter to be blank, which the Nagios docs say should disable host checks, but then Nagios does not accept the configuration, saying that there "is no command named ''". 5) on a computer running Ubuntu 8. If it doesn't, Nagios Core will adjust the next check time Jul 6, 2012 · Can anyone let me know how I would reduce time between Last Check Time and Next Scheduled Check on a particular service. Passive checks are defined by check results received from external devices or applications. Regularly scheduled host checks are optional. =20 I see the output of my check in the Nagios log. Notification: The alerts sent by Nagios when a problem or recovery occurs based on predefined conditions. If you set the check_interval option in your host definition to zero (0), Nagios Core will not perform checks of the hosts on a regular basis. 0. For example, some macros may only be valid during service notification commands, whereas other may only be valid during host check commands. log Feb 22, 2016 · Nagios XI - Notification Problems Email Tests Send a test email to see if the Nagios server can send email to an account by going to: Configure->My Account Settings->Send Test Notifications. I am always getting host status as "Pending" with status information saying "Host is not scheduled to be checked ". 0p31 → 2. " I was actually feeling pretty sure this wouldn't be the case, but maybe this is a bug if you're Anyone got any ideas? If the service wasn't scheduled to be checked, my assumption is that I should not see data for the check in the Nagios Nov 28, 2017 · Nagios Plugins Nagios Plugins does not include a way to check scheduled tasks. I have had to make some rules in WATO to change the “normal check interval for service checks” for agent hosts to be polled at a more reasonable frequency. Doing so will display basic scheduling information (inter-check delay, interleave factor, first and last service check time, etc) and will create a new status log that shows the exact time that all services are initially scheduled. Cached checks are only useful for improving the performance of on-demand host and service checks. However, the web interface gives the message "Service is not scheduled to be checked" =20 Anyone got any ideas? If the service wasn't scheduled to be checked, my assumption is that I should not see data for the check in the Nagios log. Jun 20, 2022 · It is designed on top of exit codes, something fundamental about UNIX systems that hasn't changed in 20 years and is unlikely to change in the coming 20 years: if you can check what you want to check in a script, you can have Nagios run that check. Because each service check is scheduled individually, diagnosing an alarm condition can be tricky, since the various services aren't all being checked at the same time - and therefore the set of values I'm looking at is unlikely to be time-aligned. This is necessary because a service check may be running at the same time a notification is! Processing of service check results has not been parallelized. This might include things like service check latency (i. Troubleshooting The first step is to check the contents of the apache crontab file with the following command: cat /var/spool/cron/apache Once you've done this, go and schedule a report as a test. I have a very critical task to monitor and the time between checks is curren Purpose This document describes how to manage services, service groups and service templates using the Nagios XI Core Config Manager (CCM). I want both active and passive checks, because I'm experimenting with my own distributed monitoring system (which Hi Gurus, =20 I just added a new service check. In this article, I’ll show you how to write a Nagios plugin using PowerShell to detect a specific process running on a Windows system. It's the responsibility of the external devices / applications to send the check results through, all Nagios XI does is wait for the results (as opposed to Active checks where Nagios XI is responsible for performing the check on a schedule). You can add a service (check_udp/tcp) for each port you want to check on each server. 04 to try and fix my problem but it did not make a difference. d/ open the tuning. Once you've installed your plugin on the Nagios server in your libexec directory, you can run it just like any other plugin. Any report can be scheduled in Nagios XI, as well as just about any page in the interface. There are several different use cases covered in this KB article: Service - Started Service - Nov 28, 2017 · Nagios Plugins Nagios Plugins does not include a way to check scheduled tasks. When the scheduled downtime is over, Nagios will allow normal notifications to be sent out for the host or service again. A host or service object is configured with several notification options and are also tied to the check intervals of the host or service object. Oct 4, 2024 · Service: A single, specific characteristic of a host being monitored by Nagios, like HTTP, FTP, or SSH. In playbooks you can use the {{inventory_hostname}} variable to refer to the host the playbook is currently running on. At one point we tested cloud then downgraded to raw. Aug 17, 2012 · This could occur for a number of reasons: active checks are disabled on a program-wide or service-specific basis, the services are already scheduled to be checked at an earlier time, etc. log nothing just normal events No errors in nagios. Check_PING is not working as it says Service is not scheduled to be checked Feb 9, 2021 · Installation errors on customized corporate builds of CentOS or RHEL Nagios Core - Failed to register iobroker Nagios Core - Nagios did not exit in a timely manner Nagios XI - ERROR: unable to open include file: conf. In addition, instruction on the monitoring of Linux and Windows machines is provided. They can easily facilitate the migration of a Nagios XI installation between a virtual server and physical server, and the design of a fail-over or disaster recovery instance In most cases you'll use Nagios to monitor your hosts and services using regularly scheduled active checks. It is the responsibility of these external devices or applications to send the check results, while Nagios simply waits for them. If you want to look for 'new/unidentified' open ports on a remote server, you could use check_scan. However, a "DOWNTIMESTART" notification will get sent out for the host or service, which will serve to put any admins on notice that they won't receive upcoming problem alerts. Contemplate Checks If you are running a Jan 1, 2008 · Specifying a timeperiod in the check_period directive allows you to restrict the time that Nagios Core perform regularly scheduled, active checks of the host or service. Thus to utilize NSCA you need to install a NSCA compatible server on your central Nagios monitoring server (or similar solution). To leverage this, use the dispatch service. This will check if a certain port is available for nagios on a remote server. Diagnosing The Problem Open an SSH Aug 10, 2017 · Problem Description This KB article helps fix scheduled reports that are not running, you are not receiving the email that should be sent out. This agent acts as a proxy between the Nagios plugin that does the monitoring and the actual service or attribute of the Windows machine. This is done by spacing the initial service checks out, as well as interleaving them. Can you login to the XI server as root, run the following and post the output? Oct 10, 2012 · for some reason it doesn't, i used service nagios reload/restart and the servers which indicated a problem and have been fixed still appear on the Nagios and still indicating on a problem. When this happens the Feb 3, 2025 · PowerShell is a powerful tool for automating system tasks, and when combined with Nagios, it allows you to create custom plugins tailored to your needs. However, there is one way to force a recheck of all services across all hosts using bash. I have checked for solutions and followed all the suggestions. Then, check to see if the test email arrives. It is typically used to query data such as host status, service status, or configuration details. 7 (Final) From reading some other threads, possibly this is relevant: These snippits are from an acknowledgment Jun 24, 2020 · Go to ~/etc/nagios/nagios. In larger environments users may want to view status by host or service group, yet smaller environments may prefer to view status by device. If it doesn't arrive, the problem could be one of the following: - Nagios server cannot send mail outside of your network (if you are using Sendmail) - Also In most cases you'll use Nagios to monitor your hosts and services using regularly scheduled active checks. Because this option will overwrite the Specifying a timeperiod in the check_period directive allows you to restrict the time that Nagios perform regularly scheduled, active checks of the host or service. Diagnosing The Problem Open an SSH Purpose This document describes how to backup a Nagios XI installation and restore a Nagios XI installation from a previously made backup. Returning Nagios Check Results Most of the endpoints in NCPA can be run as a check, and return Nagios plugin-style check results. If i ran check by self with force checkbox checked, host checked fine and after again stale :/ Parent Host_Main is available at schedule time and when i force to check host by self. gz The NRPE daemon runs the appropriate Nagios plugin to check the service or resource The results from the service check are passed from the NRPE daemon back to the check_nrpe plugin, which then returns the check results to the Nagios process. gxdb umjxiqu dvj ajno usjf uczkf jsu idrc yluelj nopm