nagios check_ping define servicenagios check_ping define service

To define the check interval, you need to look at the host (or service) configuration file. Set up a hostgroup cfg file with the checks in it. The MRTG log file is stored in /var/lib/mrtg/192.168.1.253_1.log. snmpwalk -v1 -c public 192.168.1.253 -m ALL .1. I currently am experimenting with defining a set of services to all hosts in a hostgroup, this is working fine. As of May 25th, 2018, all communications with Nagios Enterprises and its employees are covered under our new. Did the drapes in old theatres actually say "ASBESTOS" on them? They're great. Troubleshoot Identity Client (keystone) Connectivity Problems, 4.3. Engage with our Red Hat Product Security team, access security updates, and ensure your environments are not exposed to any known security vulnerabilities. Nagios - Define as service for all the members of a group *except* some hosts? For situations, for example, where one particular Linux Server needs to have it's PING check threshold raised from the default. 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. Why does Acts not mention the deaths of Peter and Paul? host_name server1. It's not running 'on' the remote host - the check_ping command is running a ping on the nagios server against the remote host. MIP Model with relaxed integer constraints takes longer to solve than normal model, why? 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. What differentiates living as mere roommates from living in a marriage-like relationship? Answer Hub It only takes a minute to sign up. The following installation procedure installs: nagios Nagios program that monitors hosts and services on the network, and which can send email or page alerts when a problem arises and when a problem is resolved. Then, in your check_interval change it to 3, and retry interval of 2. Connect and share knowledge within a single location that is structured and easy to search. Learn more about Stack Overflow the company, and our products. By using decimals in your check_interval I have a feeling it's throwing the math off. Did the drapes in old theatres actually say "ASBESTOS" on them? Object definition files that are used to store information about items such as services or contact groups. How To Monitor Network Switch and Ports Using Nagios - The Geek Stuff The "-m RFC1213-MIB" is optional and tells the check_snmp plugin to only load the "RFC1213-MIB" instead of every single MIB that's installed on your system, which can help speed things up. 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). How can I control PNP and NPN transistors together from one pin? 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. However, in the end, that's what I did - and it works. To do this, you'll need to verify your configuration and restart Nagios Core. Which language's style guidelines should be used when writing code that is supposed to be called from another language? Nagios Alert - Server Down but Server is online - Stack Overflow To learn more, see our tips on writing great answers. Connect and share knowledge within a single location that is structured and easy to search. Nagios: How to determine parameter order check_ssh How about saving the world? NPCA includes a service module that can check if a service is running. Did the Golden Gate Bridge 'flatten' under the weight of 300,000 people in 1987? If your switch or router supports SNMP, you can monitor a lot of information by using the check_snmp plugin. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. Write a short script for the item to be monitored (for example, whether a service is running), and place it in the /usr/lib64/nagios/plugins directory. Making statements based on opinion; back them up with references or personal experience. So for example, I'd like to have a host in the linux-server host group, which inherits several services (SSH, Disk, PING, etc), but for specific services I want to override with their own unique values, define a service specific to that host, with custom values. That's it for the SNMP monitoring example. Additionally, you can have Nagios periodically execute commands to periocially process the performance data files (e.g. Remotely monitor servers with the Nagios check_by_ssh plugin If your switch supports SNMP, you can monitor port status, etc. Thanks for contributing an answer to Server Fault! Service or Daemon checks are system processes that run in the background, usually configured to start when the system boots. You should also pass both warning and critical threshold limit. I tried that as well, but ran into a different issue. To me, this is not an ideal solution, as we could end up having to make many exceptions and this seems like it would be tough to maintain. Host is just like a computer; it can be a physical device or virtual. For example, advice was given in one of the above links (second one) to do the following: In the service definition add a line under "hostgroup_name": Monitoring Routers and Switches Nagios Core Documentation For example, the following script checks the number of Compute instances, and is stored in a file named nova-list: In the /etc/nagios/objects/commands.cfg file, specify a command section for each new script: In the /etc/nagios/objects/localhost.cfg file, define a service for each new item, using the defined command. 5 Nagios check_ping Command Examples to Monitor Remote Host 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. Nagios, the Nagios logo, and Nagios graphics are the servicemarks, trademarks, or registered trademarks owned by Nagios Enterprises. I'll describe how you can monitor the following things on managed switches, hubs, and routers: Note: These instructions assume that you've installed Nagios according to the quickstart guide. Our Customers Hosts and service configurations are the building blocks of Nagios Core. Configure Nagios so that performance data is either written to files and/or processed by executing commands. Find centralized, trusted content and collaborate around the technologies you use most. If the OpenStack cloud is distributed across machines, the NPRE addon can be used to run access plugin information on those remote machines. What is scrcpy OTG mode and how does it work? By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. Short story about swapping bodies as a job; the person who hires the main character misuses his body. You told Nagios to look to the /usr/local/nagios/etc/objects/switch.cfg to find additional object definitions. My issue is that I then want to be able to override these service definitions which have been included in the host, from the hostgroup. Install and configure NRPE on each remote machine (that has services to be monitored). ms|rta=0.627000ms;3000.000000;5000.000000;0.000000 pl=0%;80;100;0. how "late" was the service check from its scheduled execution time) and the number of seconds a host or service check took to execute. Can you still use Commanders Strike if the only attack available to forego is an attack against an ally? You'll need to let the check_mrtgtraf plugin know what log file the MRTG data is being stored in, along with thresholds, etc. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. It seems that Nagios is not running the correct command. What should I follow, if two altimeters show different altitudes? Install the Nagios Service", Collapse section "3.1. Interpreting non-statistically significant results: Do we have "no evidence" or "insufficient evidence" to reject the null? What does 'They're at four. 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. by cornelp Mon Aug 29, 2016 8:42 am, Powered by phpBB Forum Software phpBB Limited. Monitoring Using the Telemetry Service", Collapse section "2. To learn more, see our tips on writing great answers. How a top-ranked engineering school reimagined CS curriculum (Ep. Plugin performance data is external data specific to the plugin used to perform the host or service check. If the host responds to the ping, then it is 'OK'. Could you add more details? However, it doesn't describe in which order to pass parameters. Configure rsyslog on the Centralized Logging Server, 1.3.4. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. However, it doesn't describe in which order to pass parameters. The best answers are voted up and rise to the top, Not the answer you're looking for? Thx. Nagios' check_ssh (of course) keeps marking the process as critical since it can't connect on that port. As they are critical infrastructure components, you'll no doubt want to monitor them in at least some basic manner. I'm a little bit wary of going to chmod the ping binary (which is what most blog posts have suggested). Nagios services can have high CPU overhead if SSH is used. Here Host, warning and critical thresholds were passing by Nagios host as below, define service { use generic-service hostgroup_name all-servers service_description Host Ping Status check_command check_nrpe_args!check_ping_args!localhost!3000.0,80%!5000.0,100% } Share Follow answered Apr 28, 2020 at 1:45 Hasitha 698 8 16 Add a comment check_ping command is a Nagios plugin that is used to check the ping output of a remote server. It's not them. "Signpost" puzzle from Tatham's collection, Using an Ohm Meter to test for bonding of a subpanel. OpenStack Dashboard - Red Hat Access Tab. Server Fault is a question and answer site for system and network administrators. By default the check_ping command will send 5 ICMP ECHO packets. Thanks for contributing an answer to Stack Overflow! 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: This is specified in ms. How do you Null an inherited service check in nagios? Nagios Configuration is below, I don't see how it can be wrong as I copied it from server and simply changed the server name. Looking at the check_ssh man page doesn't seem to indicate in what order to place these switches You can define a command and use that command for your service. But when integrating with Nagios server, I could not able to pass this value as an argument. Tikz: Numbering vertices of regular a-sided Polygon, English version of Russian proverb "The hedgehogs got pricked, cried, but continued to eat the cactus", The hyperbolic space is a conformally compact Einstein manifold. Thanks. Some methods support checking multiple services at once. Inquire today and let our Quickstart team help you get started with Nagios XI, Up To: Contents Knowledge Base 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. Bare Metal Provisioning (ironic) Log Files, 1.1.5. But it doesn't identify that as the port. 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. Change how Nagios determines if server is offline? 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. That's where you'll be adding host and service definitions for routers and switches. Was Aristarchus the first to propose heliocentrism? See Also: Monitoring Publicly Available Services. I'm trying to figure out how can I check a service and/or a host every 20 secs, then re-try every 10 secs, only to send a notification after 3 retries. Unexpected uint64 behaviour 0xFFFF'FFFF'FFFF'FFFF - 1 = 0? Looking for job perks? Here Host, warning and critical thresholds were passing by Nagios host as below. Note: You should specify % after the second number in the threshold limit pair. There are several steps you'll need to follow in order to monitor a new router or switch. Orthogonally defining services and contacts for a host/hostgroup? So the Nagios Core version is 3.5.1. Services are those which are used by Nagios to check something about a host. All other servicemarks and trademarks are the property of their respective owner. Nagios check_ssh returns usage information instead of status How to Make a Black glass pass light through it? 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. While there are certainly some differences in the functionality, the overall end result is the same. It will have quite a lot of load on the system as well. Any suggestions of what I can look at, I am out of ideas. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. 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 minutes . Uploaded the 2 files you requested. NSClient++ allows you to check multiple services, here is an example that checks for two services that are running. There aren't really any inherent limitations on the format or content of the performance data. This tutorial explains how you can use check_ping command with some basic examples. Any complicated monitoring can be placed into a script, and then referred to in the command definition. 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. Making statements based on opinion; back them up with references or personal experience. On the central Nagios server, in the commands.cfg configuration file, define the new checks. Why are players required to record the moves in World Championship Classical games? You could use "Custom Variable Macros" (http://nagios.sourceforge.net/docs/3_0/macros.html). I don't like it, from a security standpoint. Currently, I'm defining my group-level PING service like so: I know it's an old post, but I just ran across this question while I was looking for something else. Chapter 3. Monitoring Using Nagios - Red Hat Customer Portal Nagios XI is the easy-to-use, enterprise version of Nagios that features: Download a free 60-day trial of Nagios XI or give the online demo a spin. Asking for help, clarification, or responding to other answers. What are the arguments for/against anonymous authorship of the Gospels, Generic Doubly-Linked-Lists C implementation. Additional service files can be used, but they must be specified as a cfg_file parameter in the /etc/nagios/nagios.cfg file. However, I'd recommend waiting until you're more familiar with configuring Nagios Core before doing so. Simply change the host check command to use check_host rather than check_ping. Thanks for that. 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