So, you really dont need to specify -4 (which is optional). Open nagios web interface and see the host is being pinged properly. Inquire today and let our Quickstart team help you get started with Nagios XI, Up To: Contents
If additional machines are being used in the cloud, in addition to the host on which Nagios is installed, they must be made known to Nagios by configuring them in an objects file: In the file, specify a host section for each machine on which an OpenStack service is running and should be monitored: In the /etc/nagios/nagios.cfg file, under the OBJECT CONFIGURATION FILES section, specify the following line: To monitor remote services, you must define those services in a new file; in this procedure, /etc/nagios/objects/services.cfg: In the /etc/nagios/objects/commands.cfg file, specify the following to handle the use of the check_nrpe plugin with remote scripts or plugins: In the file, specify the following service sections for each remote OpenStack host to be monitored: The above sections ensure that a server heartbeat, load check, and the OpenStack Identity service status are reported back to the Nagios server. If youve installed Nagios from source, youll find all the default plugins under /usr/local/nagios/libexec directory. If the host responds to the ping, then it is 'OK'. ms|rta=0.627000ms;3000.000000;5000.000000;0.000000 pl=0%;80;100;0. This type of performance data is available for all checks that are performed. To define the check interval, you need to look at the host (or service) configuration file. It is not possible to set intervals of less then one minute with Nagios. This will exclude the zlinux host from the service check. 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. 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. As they are critical infrastructure components, you'll no doubt want to monitor them in at least some basic manner. Here's my basic C: drive space check. The commands that Nagios executes to process host and service performance data are determined by the host_perfdata_command and service_perfdata_command options, respectively. Simply change the host check command to use check_host rather than check_ping. "host_name !zlinux_hostname". 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. How to Make a Black glass pass light through it? Our tech support team is happy to help you with any questions you might have. Anyway, if you're interested in testing throughput, there are MUCH better ways of going about it than relying on ICMP, which is the lowest priority traffic type on a network. However, one server runs with much less free space than the norm. 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. 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. Nagios Plugins does not include a service plugin however the linux-nrpe-agent does provide check_init_service. I was fairly certain that running chmod U+s /usr/bin/ping would solve the issue, but I was (and still am) wary about chmod'ing system files. 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. Two MacBook Pro with same model number (A1286) but different year, Adding EV Charger (100A) in secondary panel (100A) fed off main (200A). You told Nagios to look to the /usr/local/nagios/etc/objects/switch.cfg to find additional object definitions. I can't find it though. define host { use windows-server host_name cielo01 alias cielo01 address cielo01 . To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Viewed 12510 times since Tue, Nov 14, 2017, Viewed 18313 times since Tue, Nov 28, 2017, Viewed 17861 times since Wed, Nov 15, 2017, Viewed 6949 times since Tue, Nov 28, 2017, Viewed 41367 times since Mon, Nov 13, 2017, Viewed 16145 times since Tue, Nov 28, 2017, Viewed 29720 times since Sun, Nov 12, 2017, Viewed 15533 times since Mon, Nov 20, 2017, Viewed 11868 times since Wed, Nov 29, 2017, Viewed 69092 times since Thu, Nov 9, 2017. But when integrating with Nagios server, I could not able to pass this value as an argument. 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. NRPE is for more complicated checks, where you need to run commands directly on the remote server. Videos By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. by cornelp Fri Aug 26, 2016 2:03 pm, Post Careers. snmpwalk -v1 -c public 192.168.1.253 -m ALL .1. Benefits Implementing effective Ping monitoring with Nagios offers the following benefits: Increased server, services, and application availability Fast detection of network outages and protocol failures Solutions Modify host_name appropriately. Short story about swapping bodies as a job; the person who hires the main character misuses his body. Now you can add some service definitions (to the same configuration file) to monitor different aspects of the switch. check_ping command is a Nagios plugin that is used to check the ping output of a remote server. Thanks for the post. Support forum for Nagios Core, Nagios Plugins, NCPA, NRPE, NSCA, NDOUtils and more. As of May 25th, 2018, all communications with Nagios Enterprises and its employees are covered under our new. The commands that Nagios executes to process host and service performance data are determined by the host_perfdata_command and service_perfdata_command options, respectively. by cornelp Wed Aug 17, 2016 8:32 am, Post Thx. The Industry Standard In IT Infrastructure Monitoring. Contact Sales Plugin-specific data can include things like percent packet loss, free disk space, processor load, number of current users, etc. 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). 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: Nagios should be hosted on a securely locked down server, especially if security events are being monitored. NSClient++ includes a service module that can check if a service is running. 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. Maybe you could look there and get credit for the answer if you have ideas. Unexpected uint64 behaviour 0xFFFF'FFFF'FFFF'FFFF - 1 = 0? A boy can regenerate, so demons eat him for years. Find A Partner, Phone: 1-888-NAGIOS-1 I had to rename them to txt as it would not allow the original ext. If the OpenStack cloud is distributed across machines, the NPRE addon can be used to run access plugin information on those remote machines. Service or Daemon checks are system processes that run in the background, usually configured to start when the system boots. 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. What is Wario dropping at the end of Super Mario Land 2 and why? That's it for the SNMP monitoring example. I can execute the check manually, at the nagios server (Ubuntu Desktop) Was Aristarchus the first to propose heliocentrism? density matrix. I could not found the ping on /usr/bin/ping. Host or Service Check Interval (SOLVED) - Nagios Support Forum For this sort of problem I do this a lot. name host-services ; The name of this host template check_period extendhours ; By default, switches are monitored round the clock check_interval 0.30 ; Switches are checked every 5 minutes retry_interval 0.20 ; Schedule host check retries at 1 minute intervals max_check_attempts 3 ; Check each switch 10 times (max) Start check_tcp with -h to see the help for it. by cornelp Tue Aug 16, 2016 1:47 pm, Post Monitoring switches and routers can either be easy or more involved - depending on what equipment you have and what you want to monitor. The plugin 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 "stopped" have an OK state). 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. 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. NSClient++ includes a service module that can check if a service is stopped. OpenStack Dashboard - Red Hat Access Tab. 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! Extracting arguments from a list of function calls. Additional service files can be used, but they must be specified as a cfg_file parameter in the /etc/nagios/nagios.cfg file. This value can be viewed in the /etc/nagios/cgi.cfg file. : In your host template set a default value: In the host definition that should use a difference value set e.g. Has the cause of a rocket failure ever been mis-identified, such that another launch failed due to the same problem? Short story about swapping bodies as a job; the person who hires the main character misuses his body. Nagios: How to determine parameter order check_ssh However, if you are using an external addon to process the performance data (i.e. Add a new host definition for the switch that you're going to monitor. Note: You should specify % after the second number in the threshold limit pair. For any support related questions please visit the Nagios Support Forums at: Article Number: 775 | Rating: Unrated | Last Updated by. I am currently running 3.4.1, so I would think this should be working. Events How Macros Work Nagios Core Documentation Configuring remote service checks using nagios - Notes_Wiki Support Plans I want to set interval between ping times is 10 seconds like below: But not exactly (about 90 seconds). the '-t 10' is not the interval, but the timeout argument. Here is the output when the RemoteAccess service was started: Checking if a service is stopped using SNMP is not very straight forward, checking a process is the best solution here, please refer to the Process Checks KB article. He also rips off an arm to use as a sword. If it doesn't, install net-snmp and net-snmp-utils and recompile/reinstall the Nagios plugins. Shared Filesystem Service (manila) Log Files, 1.1.14.
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