nagios check_ping define servicenagios check_ping define service

The interval at which these commands are executed are governed by the host_perfdata_file_processing_interval and service_perfdata_file_processing_interval options, respectively. service_description PING. Connect and share knowledge within a single location that is structured and easy to search. Below are the command definitions for check-host-alive as well as check_ping. How can I control PNP and NPN transistors together from one pin? I've taken a screenshot, and am updating the question with the screenshot. @JimBlack - Well, that's the error I'm seeing. If all goes fine then you can add more services running on the host that can be accessed remotely Checking SSH service We can use something like this to configure check for SSH service. By default, on the Nagios server, the /etc/nagios/objects/localhost.cfg file is used to define services for basic local statistics; for example, swap usage or the number of current users. This same file can be used to add new OpenStack monitoring services. Thanks for contributing an answer to Stack Overflow! The example below defines a new check_ssh_load command: # 'check_ssh_load' command definition define . Why do men's bikes have high bars where you can hit your testicles while women's bikes have the bar much lower? Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. by rkennedy Tue Aug 16, 2016 4:51 pm, Post By default the check_ping command will do the connection time out (if it is unable to reach the destination host) after 10 seconds. Why does Acts not mention the deaths of Peter and Paul? The state information delivers "Usage: " which is an indicator that the parameters are wrong. For this sort of problem I do this a lot. 565), Improving the copy in the close modal and post notices - 2023 edition, New blog post from our CEO Prashanth: Community is the future of AI. Nagios is designed to allow plugins to return optional performance data in addition to normal status data, as well as allow you to pass that performance data to external applications for processing. If you're processing performance data for a large number of hosts and services, you'll probably want Nagios to write performance data to files instead. Some cheaper "unmanaged" switches and hubs don't have IP addresses and are essentially invisible on your network, so there's not any way to monitor them. At this point I think enabling debug mode and looking at the debug log will be required to understand what is going on. It is great for things like number of services or what load or how much memory each machine has. Data Processing (sahara) Log Files, 1.1.6. Some methods support checking multiple services at once. Include check_command with nagios/icinga alerts. Two MacBook Pro with same model number (A1286) but different year, Adding EV Charger (100A) in secondary panel (100A) fed off main (200A). The Nagios monitoring system can be used to provide monitoring and alerts for the OpenStack network and infrastructure. Any check that you place in a hostgroup will apply to any host in that hostgroup (which you knew already). If you like to change this, use -t option. linux - How to send alert in nagios for particular service to Based on the ping output, you can decide to set certain warning and critical threshold level, based on which Nagios can send notifications to you. To do this, you can include the service in the server1.cfg file, as in the following example, which pings the host on a regular basis: define service{ use local-service ; Name of service template to use. If the OpenStack cloud is distributed across machines, the NPRE addon can be used to run access plugin information on those remote machines. define service{ host_name linuxbox service_description PING check_command check_ping!200.0,80%!400.0,40% . } Modify host_name appropriately. The $HOSTEXECUTIONTIME$ and $SERVICEEXECUTIONTIME$ macros can be used to determine the number of seconds a host or service check was running and the $HOSTLATENCY$ and $SERVICELATENCY$ macros can be used to determine how "late" a regularly-scheduled host or service check was. Asking for help, clarification, or responding to other answers. Checking if a service is running using SNMP is not very straight forward, checking a process is the best solution here, please refer to the Process Checks KB article. However, it doesn't describe in which order to pass parameters. However, if you are using an external addon to process the performance data (i.e. How to Make a Black glass pass light through it? For example, the check_ping plugin might return a line of text like the following: With this simple type of output, the entire line of text is available in the $HOSTOUTPUT$ or $SERVICEOUTPUT$ macros (depending on whether this plugin was used as a host check or service check). For the time being, just follow the directions outlined below and you'll be monitoring your network routers/switches in no time. Community Support Forums For Nagios Open Source Projects, Community Support Forums For Nagios Commercial Products, https://assets.nagios.com/downloads/nag gmain.html. 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. 1. Media Coverage It's not them. If this is the *first* switch you're monitoring, you can simply modify the sample service definition in switch.cfg. The hyperbolic space is a conformally compact Einstein manifold. Why in the Sierpiski Triangle is this set being used as the example for the OSC and not a more "natural"? Inquire today and let our Quickstart team help you get started with Nagios XI, Up To: Contents Nagios, the Nagios logo, and Nagios graphics are the servicemarks, trademarks, or registered trademarks owned by Nagios Enterprises. Thanks. Browse other questions tagged, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site. Connect and share knowledge within a single location that is structured and easy to search. Server Fault is a question and answer site for system and network administrators. If you need to change the modes to "write" or "non-blocking read/write" (useful when writing to pipes), you can use the host_perfdata_file_mode and service_perfdata_file_mode options. Troubleshoot Networks and Routes Tab Display Issues in the Dashboard, 4.5. nagios-devel To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Post Within the Nagios Web GUI / Dashboard, if I drill down into a Host page with the "Host State Information", I see this being reported for "Status Information" (IP address removed): Status Information: /usr/bin/ping -n -U -w 30 -c 5 {my-host-ip-address}, CRITICAL - Could not interpret output from ping command. Eg. Find centralized, trusted content and collaborate around the technologies you use most. Actually called check_host, without the 's'. Thanks for contributing an answer to Server Fault! To subscribe to this RSS feed, copy and paste this URL into your RSS reader. It seems to me that there has to be a safer way to do it. The check_snmp plugin will only get compiled and installed if you have the net-snmp and net-snmp-utils packages installed on your system. How about saving the world? I am using nagios ver. This document describes how you can monitor the status of network switches and routers. rev2023.4.21.43403. Extracting arguments from a list of function calls. By default the check_ping command will send 5 ICMP ECHO packets. 2. Nagios Plugins does not include a service plugin however the linux-nrpe-agent does provide check_init_service. Configure rsyslog on Individual Nodes, 2. In your ping service definition use e.g. You can always comment these services out if they are no longer needed by prefacing each line with a '#' character. Use -H option to specify the hostname or the ip-address of the server for which you like to check the ping command output. What differentiates living as mere roommates from living in a marriage-like relationship? I can't remember when (or why) I started using check_host, but that's indeed what I'm currently using. I can ping the nagios server and the nagios server is able to ping the server. What is Wario dropping at the end of Super Mario Land 2 and why? Find A Partner, Phone: 1-888-NAGIOS-1 Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. 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'. In my example, I'm monitoring one of the ports on a Linksys switch. Which ability is most related to insanity: Wisdom, Charisma, Constitution, or Intelligence? An example command definition that redirects service check performance data to a text file for later processing by another application is shown below: At a minimum, the following must be done: If the OpenStack cloud includes distributed hosts: /etc/nagios/objects/ObjectsDir/ObjectsFile.cfg. Make sure that you don't (re)start Nagios until the verification process completes without any errors! The Nagios server will receive traffic from a broad scope of systems. Configure rsyslog on the Centralized Logging Server, 1.3.4. by cornelp Mon Aug 29, 2016 8:42 am, Powered by phpBB Forum Software phpBB Limited. I can't find it though. Ensure that Nagios is started automatically when the system boots: Check your Nagios access by using the following URL in your browser, and using the nagiosadmin user and the password that was set in Step 2: If the Nagios URL cannot be accessed, ensure your firewall rules have been set up correctly. The best answers are voted up and rise to the top, Not the answer you're looking for? However, I'd recommend waiting until you're more familiar with configuring Nagios Core before doing so. Plugin-specific performance data (if available) can be obtained by using the $HOSTPERFDATA$ and $SERVICEPERFDATA$ macros. Monitoring Using Nagios", Collapse section "3. by cornelp Tue Aug 16, 2016 1:47 pm, Post Now you can add some service definitions (to the same configuration file) to monitor different aspects of the switch. Increased server, services, and application availability, Fast detection of network outages and protocol failures. 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. News Why did US v. Assange skip the court of appeal? Did the drapes in old theatres actually say "ASBESTOS" on them? Which ability is most related to insanity: Wisdom, Charisma, Constitution, or Intelligence? By default, it will use IPv4. by cornelp Wed Aug 17, 2016 8:32 am, Post This type of performance data is available for all checks that are performed. Monitoring Routers and Switches - Nagios NSClient++ includes a service module that can check if a service is running. Set up a hostgroup cfg file with the checks in it. Service or Daemon checks are system processes that run in the background, usually configured to start when the system boots. Log in to the Nagios dashboard again by using the following URL in your browser, and using the nagiosadmin user and the password that was set in the beginning: Expand section "1.1. rev2023.4.21.43403. with the check_snmp plugin and bandwidth (if you're using MRTG) with the check_mrtgtraf plugin. That configuration file already contains some sample host, hostgroup, and service definitions. To configure HTTPD for nagios, follow these steps: To change the default password for the user nagiosadmin, execute: To create a new user, use the following command with the new users name: Update the nagiosadmin email address in /etc/nagios/objects/contacts.cfg: Verify that the basic configuration is working: If errors occur, check the parameters set in /etc/nagios/nagios.cfg. If Nagios Core can't get a response to its check, then it will flag the state of the service as CRITICAL, and will try again up to two more times before sending a notification. 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. Assuming we are using the host definition given earlier and a check_ping command defined like this: define command { command_name check_ping command_line /usr/local/nagios/libexec/check_ping -H $HOSTADDRESS$ -w $ARG1$ -c $ARG2$ } The expanded/final command line to be executed for the service's check command would look like this: define command { command_name check-host-alive command_line $USER1$/check_ping -t 10 -H $HOSTADDRESS$ -w 3000.0,80% -c 5000.0,100% -p 5 } The thing you post is a Nagios command. how "late" was the service check from its scheduled execution time) and the number of seconds a host or service check took to execute. Note: You should specify % after the second number in the threshold limit pair. While there are certainly some differences in the functionality, the overall end result is the same. 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. I also use it for IDRAC IPs on Dell Hardware so I can maintain the association and don't have to have a separate host. To learn more, see our tips on writing great answers. What is Wario dropping at the end of Super Mario Land 2 and why? Nagios - Define as service for all the members of a group *except* some hosts? My /etc/nagios/objects/commands.cfg states, which defines the arguments in between the exclamation marks as in the documentation example you gave. check-host-alive is defined in commands.cfg to use check_ping. Thanks for contributing an answer to Stack Overflow! In the check_command directive of the service definition above, the "-C public" tells the plugin that the SNMP community name to be used is "public" and the "-o sysUpTime.0" indicates which OID should be checked. Install the Nagios Service", Expand section "4.7. Troubleshoot Keystone v3 Dashboard Authentication, 4.7. "Signpost" puzzle from Tatham's collection, Using an Ohm Meter to test for bonding of a subpanel. Let's take the check_ping plugin as an example and assume that it has been enhanced to return percent packet loss and average round trip time as performance data metrics. See Also: Monitoring Publicly Available Services. Creating a new HTTP service | Nagios Core Administration Cookbook - Packt by Box293 Sun Aug 28, 2016 8:34 pm, Post Not the answer you're looking for? Any complicated monitoring can be placed into a script, and then referred to in the command definition. The Industry Standard In IT Infrastructure Monitoring. How a top-ranked engineering school reimagined CS curriculum (Ep. check_command check_ping!100.0,20%!500.0,60% the '-t 10' is not the interval, but the timeout argument. Answer Hub I'm sure the OP is well on to other things by now, but hopefully someone else who has this issue will benefit. I also find it non-intuitive to have to maintain a list of exclusions separate to where the host itself is actually defined. Can you help me? Unexpected uint64 behaviour 0xFFFF'FFFF'FFFF'FFFF - 1 = 0? Nagios: config ping times - Stack Overflow OpenStack Dashboard - Red Hat Access Tab", Red Hat JBoss Enterprise Application Platform, Red Hat Advanced Cluster Security for Kubernetes, Red Hat Advanced Cluster Management for Kubernetes, Logging, Monitoring, and Troubleshooting Guide, 1.1.1. The module defines a "good" service as one that is running and a "bad" service is one that is not running, so you can define critical is when more than 0 "good" services exist. Events Find centralized, trusted content and collaborate around the technologies you use most. How about saving the world? Once you've added the new host and service definitions to the switch.cfg file, you're ready to start monitoring the router/switch. Host is just like a computer; it can be a physical device or virtual. An example file format template for service performance data might look like this: By default, the text files will be opened in "append" mode. Nagios services can have high CPU overhead if SSH is used. Nagios' check_ssh (of course) keeps marking the process as critical since it can't connect on that port. Threshold limit for check_ping should be passed as a threshold pair, which has two parts: In the following example, we are checking the ping output for 192.168.1.1 host. Have you made sure that the nagios user can run the ping command? He also rips off an arm to use as a sword. I did to interval of 3 and retry of 2. Which language's style guidelines should be used when writing code that is supposed to be called from another language? What should I follow, if two altimeters show different altitudes? define host { use windows-server host_name cielo01 alias cielo01 address cielo01 . After installing nagios and nagios-plugins-all (via yum), I've created a number of hosts and service definitions, have tested my configuration with nagios -v /etc/nagios/nagios.cfg, and have Nagios up and running! This tutorial explains how you can use check_ping command with some basic examples. The warning limit is 10ms RTA or 2% packet-loss. If total energies differ across different software, how do I decide which software to use? The module can only check if the service is started, you could however use the negate plugin to invert the returned result from the plugin (hence making CRITICAL an OK state). Overriding Nagios hostgroup service with host service What risks are you taking when "signing in with Google"? By using decimals in your check_interval I have a feeling it's throwing the math off. This might include things like service check latency (i.e. Asking for help, clarification, or responding to other answers. Change the host_name, alias, and address fields to appropriate values for the switch. Multiple lines of performace data (as well as normal text output) can be obtained from plugins, as described in the plugin API documentation. Be aware that the service module is cAsE SeNsative, you can overcome this with the match= argument. Making statements based on opinion; back them up with references or personal experience. To define the check interval, you need to look at the host (or service) configuration file. The "10" option causes the plugin to return a CRITICAL state if the MRTG log file is older than 10 minutes (it should be updated every 5 minutes). Support forum for Nagios Core, Nagios Plugins, NCPA, NRPE, NSCA, NDOUtils and more. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Ping Monitoring - Nagios since there is no predefined argument to specify the port, like --port=$ARG1$ in the definition, but only a generic place holder.