I checked log: /usr/local/nagios/var/nagios.log the interval between ping times is 90 seconds. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. Add the following service definition in order to monitor packet loss and round trip average between the Nagios host and the switch every 5 minutes under normal conditions. Making statements based on opinion; back them up with references or personal experience. Can you help me? Overriding Nagios hostgroup service with host service, https://www.mail-archive.com/nagios-users@lists.sourceforge.net/msg29273.html, http://forum.centreon.com/showthread.php/10643-Over-riding-checks-in-hostgroup, http://ehc.ac/p/nagios/mailman/message/22496927/, http://markmail.org/message/ms6rzljthml7ejlt, http://nagios.sourceforge.net/docs/3_0/macros.html. is there such a thing as "right to be heard"? Identity Service (keystone) Log Files, 1.1.12. Any check that you place in a hostgroup will apply to any host in that hostgroup (which you knew already). I'm not sure if this is common use or not, but this article blew my mind when it came to setting up the config files. It does seem to be registering on some level as in my Nagios logs I can see: Jul 16 19:12:27 localhost nagios: Warning: Duplicate definition found for service 'PING' on host 'server-01'. Change the host_name, alias, and address fields to appropriate values for the switch. What should I follow, if two altimeters show different altitudes? However, if you are using an external addon to process the performance data (i.e. NPCA includes a service module that can check if a service is running. Eg. I did as you stated. The most flexible way to process performance data is by having Nagios execute commands (that you specify) to process or redirect the data for later processing by external applications. Documentation, Purchase Online Nagios is the most popular tool which is used to monitor hosts and services running in your IT infrastructure. A boy can regenerate, so demons eat him for years. How to disable host checks of existing hosts in Nagios? Make sure that you don't (re)start Nagios until the verification process completes without any errors! But when integrating with Nagios server, I could not able to pass this value as an argument. Support forum for Nagios Core, Nagios Plugins, NCPA, NRPE, NSCA, NDOUtils and more. The plugin returns a CRITICAL state if the service is not started. An example command definition that redirects service check performance data to a text file for later processing by another application is shown below: Tip: This method, while flexible, comes with a relatively high CPU overhead. Uploaded the 2 files you requested. The interval between checks in this example is 5 minutes (check_interval). The "5000000,5000000" are critical thresholds (in bytes) for incoming and outgoing traffic rates respectively. There are several different use cases covered in this KB article: The sections below provide examples of how to perform these checks using different methods. by tmcdonald Wed Aug 17, 2016 2:31 pm, Post This should be specified as %age. The state information delivers "Usage: " which is an indicator that the parameters are wrong. Error 1: If you dont specify warning threshold limit, youll get the following error message: Error 2: If you dont specify % at the end of threshold limit pair, youll get the following error message: Error 3: If you dont specify critical threshold limit, youll get the following error message: Error 4: If the warning threshold limit values is greater than the critical limit value, youll get the following error message: Error 5: If the specify -6 and give a IPv4 address, youll get the following error message: Next post: 8 Linux Bash Shell Readline Bind Command Examples, Previous post: How to Change RabbitMQ Log Level in rabbitmq.config from INFO to ERROR, Home | Linux 101 Hacks Table of Contents | Contact | Email | RSS | Copyright 20092022 Ramesh Natarajan All rights reserved | Terms of Service, 8 Linux Bash Shell Readline Bind Command Examples, How to Change RabbitMQ Log Level in rabbitmq.config from INFO to ERROR, Round trip average, which is called as RTA. service_perfdata_file_processing_interval, Everything before the pipe character is considered to be the "normal" plugin output and will be stored in either the $HOSTOUTPUT$ or $SERVICEOUTPUT$ macro, Everything after the pipe character is considered to be the plugin-specific performance data and will be stored in the $HOSTPERFDATA$ or $SERVICEPERFDATA$ macro. 2. define service { use generic-service ; Inherit values from a template host_name linksys-srw224p ; The name of the host the service is associated with service_description PING ; The service description check_command check_ping!200.0,20%!600.0,60% ; The command used to monitor the service normal_check_interval 5 ; Check the service every 5 . Nagios servers may receive a considerable amount of network traffic, resulting in resource contention. since there is no predefined argument to specify the port, like --port=$ARG1$ in the definition, but only a generic place holder. On what basis are pardoning decisions made by presidents or governors when exercising their pardoning power? Log Files for OpenStack Services", Expand section "1.3. Processing Performance Data Using Commands. Multiple lines of performace data (as well as normal text output) can be obtained from plugins, as described in the plugin API documentation. :) This is an excellent post. For this sort of problem I do this a lot. Up To: Contents What is the symbol (which looks similar to an equals sign) called? Find centralized, trusted content and collaborate around the technologies you use most. To learn more, see our tips on writing great answers. The best answers are voted up and rise to the top, Not the answer you're looking for? Add a new host definition for the switch that you're going to monitor. Unexpected uint64 behaviour 0xFFFF'FFFF'FFFF'FFFF - 1 = 0? Connect and share knowledge within a single location that is structured and easy to search. service_description PING. Millions of users and thousands of companies - ranging from Fortune 500s to small business owners - trust Nagios XI to get the job done. You can have Nagios write all host and service performance data directly to text files using the host_perfdata_file and service_perfdata_file options. Configure Nagios so that performance data is either written to files and/or processed by executing commands. How a top-ranked engineering school reimagined CS curriculum (Ep. The "-r 1" option tells the check_snmp plugin to return an OK state if "1" is found in the SNMP result (1 indicates an "up" state on the port) and CRITICAL if it isn't found. To learn more, see our tips on writing great answers. So, you really dont need to specify -4 (which is optional). Host is just like a computer; it can be a physical device or virtual. Troubleshoot OpenStack Networking Issues, 4.4. Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. I can't find it though. NRPE is for more complicated checks, where you need to run commands directly on the remote server. Understanding the probability of measurement w.r.t. Is there another (safer) option, such as adding the Nagios user to ping's group or something? There are two basic categories of performance data that can be obtained from Nagios: Check performance data is internal data that relates to the actual execution of a host or service check. Because what you are showing is the command. If the OpenStack cloud is distributed across machines, the NPRE addon can be used to run access plugin information on those remote machines. Check WMI Plus allows you to check multiple services, here is an example that checks for two services that are running. I changed the Nagios cfg file interval_length to 10 and the host file to 20 and 10. Why did DOS-based Windows require HIMEM.SYS to boot? If you're monitoring bandwidth usage on your switches or routers using MRTG, you can have Nagios alert you when traffic rates exceed thresholds you specify. Checking a service using SNMP is not very straight forward, checking a process is the best solution here, please refer to the Process Checks KB article. Engage with the community of users including those using the open source solutions. This might include things like service check latency (i.e. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. The configuration we've added adds a simple service check definition for an existing host, to check up to three times whether the HTTP daemon on that host is responding to a simple HTTP/1.1 request. The Nagios monitoring system can be used to provide monitoring and alerts for the OpenStack network and infrastructure. Adjust this to say, 10. Check web-interface user name and password, and check basic configuration. The critical limit is 20ms or 5% packet loss. Which language's style guidelines should be used when writing code that is supposed to be called from another language? Service or Daemon checks are system processes that run in the background, usually configured to start when the system boots. Shared Filesystem Service (manila) Log Files, 1.1.14. In my localhost.cfg I have tried: where xxx22 is the actual port. I put in ` check_ssh!--host=localhost!--port=xxx22` and nagios will start with, Nagios: How to determine parameter order check_ssh. Once you've added the new host and service definitions to the switch.cfg file, you're ready to start monitoring the router/switch. This means if the check_ping does not get a result in 10 seconds, the command will timeout. nagios (Last Notification: N/A (notification 0)). 1. Take a look at the main config documentation: So, I was able to make all the necessary changes. Nagios services can have high CPU overhead if SSH is used. There should be no reference to /usr/bin/ping in that output, even when failing. Object definition files that are used to store information about items such as services or contact groups. Content Discovery initiative April 13 update: Related questions using a Review our technical responses for the 2023 Developer Survey, Nagios host notifications not sending via email or logging, Using Nagios check_log command doesn't work, Nagios: How to check service three times a day, nagios - nsclient - nsca - host_check message.
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nagios check_ping define service