nagios check_ping define service

Eg. Maybe you could look there and get credit for the answer if you have ideas. For example: To set up monitoring on each remote machine, execute the following as the root user: In the /etc/nagios/nrpe.cfg file, add the central Nagios server IP address in the allowed_hosts line: In the /etc/nagios/nrpe.cfg file, add any commands to be used to monitor the OpenStack services. The following installation procedure installs: Install the required packages as the root user, using the yum command: If any of the packages are not immediately available (for example, gd-devel or gcc), you might have to enable the optional Red Hat channel using subscription-manager: Consider deploying Nagios to a server that is external to the OpenStack environment, allowing it to receive diagnostic information in the event of system issues. It also tells us that. Thanks for contributing an answer to Server Fault! So, you really dont need to specify -4 (which is optional). I haven't changed the definition of how check_ping works, and can confirm that I'm getting a "PING OK" whenever the command is run the same way that check-host-alive runs the command, so I cannot figure out what's going on! Increase visibility into IT operations to detect and resolve technical issues before they impact your business. Find centralized, trusted content and collaborate around the technologies you use most. Remote Logging Installation and Configuration, 1.3.3. The "1000000,2000000" options are the warning thresholds (in bytes) for incoming and outgoing traffic rates respectively. The check_init_service plugin does not support checking multiple services. Troubleshoot Networks and Routes Tab Display Issues in the Dashboard, 4.5. Post To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Asking for help, clarification, or responding to other answers. Unfortunately right now, even though the host name and service description match that of the group-level PING check, only one PING service is listed for server-01 and this is the group-level PING check, not the host level one. Answer Hub "host_name !zlinux_hostname". "Signpost" puzzle from Tatham's collection, What "benchmarks" means in "what are benchmarks for? Create Service Definitions for Remote Services, 4.2. Check WMI Plus allows you to check multiple services, here is an example that checks for two services that are running. Check the documentation that comes with the addon for more information. NSClient++ allows you to check multiple services, here is an example that checks for two services that are running. Include check_command with nagios/icinga alerts. I checked log: /usr/local/nagios/var/nagios.log the interval between ping times is 90 seconds. How a top-ranked engineering school reimagined CS curriculum (Ep. nagios (Last Notification: N/A (notification 0)). 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). Here is a link to it's usage: http://nagiosplugins.org/man/check_http 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. check_command check_ping!100.0,20%!500.0,60% Browse other questions tagged. If the host responds to the ping, then it is 'OK'. This should be specified as %age. How to disable host checks of existing hosts in Nagios? The Nagios monitoring system can be used to provide monitoring and alerts for the OpenStack network and infrastructure. 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": This same file can be used to add new OpenStack monitoring services. On what basis are pardoning decisions made by presidents or governors when exercising their pardoning power? My /etc/nagios/objects/commands.cfg states, which defines the arguments in between the exclamation marks as in the documentation example you gave. What are the arguments for/against anonymous authorship of the Gospels, Generic Doubly-Linked-Lists C implementation. More expensive switches and routers have addresses assigned to them and can be monitored by pinging them or using SNMP to query status information. For the *first* router/switch you monitor, you can simply modify the sample host and service definitions in that file, rather than creating new ones. Troubleshoot OpenStack Networking Issues, 4.4. However, I'd recommend waiting until you're more familiar with configuring Nagios Core before doing so. Percentage of packet loss, which is called pl. 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. Actually called check_host, without the 's'. Certification By default, it will use IPv4. 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. Troubleshoot Identity Client (keystone) Connectivity Problems, 4.3. By default, when Nagios is installed, the default httpd user and password is: nagiosadmin / nagiosadmin. PerfParse), the addon may be expecting that the plugin returns performance data in a specific format. is there such a thing as "right to be heard"? This type of performance data is available for all checks that are performed. @JimBlack - Well, that's the error I'm seeing. Did the Golden Gate Bridge 'flatten' under the weight of 300,000 people in 1987? It only takes a minute to sign up. Install and configure NRPE on each remote machine (that has services to be monitored). 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 Tue Aug 16, 2016 1:47 pm, Post once I passed the correct IP protocol , It worked fine. You could use "Custom Variable Macros" (http://nagios.sourceforge.net/docs/3_0/macros.html). The format in which host and service performance data is written to those files is determined by the host_perfdata_file_template and service_perfdata_file_template options. that are installed when you follow the quickstart. As they are critical infrastructure components, you'll no doubt want to monitor them in at least some basic manner. So in it's host cfg, I have: Now the service check is going to alert you for 80% and 90% for all hosts in the hostgroup, except for the host that you added the check with the change values in it. 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. Increased server, services, and application availability, Fast detection of network outages and protocol failures. It's not them. Check WMI Plus includes a service module that can check if a service is running. 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. Tip: You can usually find the OIDs that can be monitored on a switch by running the following command (replace 192.168.1.253 with the IP address of the switch): 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. by cornelp Mon Aug 29, 2016 8:08 am, Post 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 . Make sure that you don't (re)start Nagios until the verification process completes without any errors! But it doesn't identify that as the port. Now you can add some service definitions (to the same configuration file) to monitor different aspects of the switch. My linux box uses a nonstandard port for ssh. Thx. What is this brick with a round back and a stud on the side used for? It's not them. What does 'They're at four. Server Fault is a question and answer site for system and network administrators. service_description PING. 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 positional accuracy (ie, arc seconds) is necessary to view Saturn, Uranus, beyond? how "late" was the service check from its scheduled execution time) and the number of seconds a host or service check took to execute. Looking for job perks? Thanks for the post. Monitoring Using the Telemetry Service", Expand section "3. Has the cause of a rocket failure ever been mis-identified, such that another launch failed due to the same problem? 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. I did as you stated. 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 . How about saving the world? Content Discovery initiative April 13 update: Related questions using a Review our technical responses for the 2023 Developer Survey, Can execute nagios ssh check manually but get 126/127 out of bounds error from nagios, Different Nagios email notifications for different services, Nagios host notifications not sending via email or logging, Nagios - "Unable to send check for host" or "run check for service". The example below defines a new check_ssh_load command: # 'check_ssh_load' command definition define . Plugin-specific performance data is optional and may not be supported by all plugins. Contact Sales define service{ host_name linuxbox service_description PING check_command check_ping!200.0,80%!400.0,40% . } Troubleshoot Keystone v3 Dashboard Authentication, 4.7. As of May 25th, 2018, all communications with Nagios Enterprises and its employees are covered under our new. What you show for 'Status Information' is not what it should look like. Install the Nagios Service", Expand section "4.7. This means if the check_ping does not get a result in 10 seconds, the command will timeout. 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. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. 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 Industry Standard In IT Infrastructure Monitoring. Plugin performance data is external data specific to the plugin used to perform the host or service check. There should be no reference to /usr/bin/ping in that output, even when failing. They are: To make your life a bit easier, a few configuration tasks have already been done for you: The above-mentioned config files can be found in the /usr/local/nagios/etc/objects/ directory. Find A Partner, Phone: 1-888-NAGIOS-1 If your switch or router supports SNMP, you can monitor a lot of information by using the check_snmp plugin. rev2023.4.21.43403. It seems to me that there has to be a safer way to do it. 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. Why does Acts not mention the deaths of Peter and Paul? For any support related questions please visit the Nagios Support Forums at: Article Number: 775 | Rating: Unrated | Last Updated by. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. 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. What are the arguments for/against anonymous authorship of the Gospels, Embedded hyperlinks in a thesis or research paper. I don't like it, from a security standpoint. You can always comment these services out if they are no longer needed by prefacing each line with a '#' character. Remove the leading pound (#) sign from the following line in the main configuration file: What did you just do? # Service definition to ping the switch using check_ping define service{ use generic-service hostgroup_name switches service_description PING check_command check_ping!200.0,20%!600.0,60% normal_check_interval 5 retry_check_interval 1 } # Service definition to monitor switch uptime using check_snmp define service{ use generic-service hostgroup . I can't remember when (or why) I started using check_host, but that's indeed what I'm currently using. In your ping service definition use e.g. I am using nagios ver. Switches and routers can be monitored easily by "pinging" them to determine packet loss, RTA, etc. If anyone has any advice on insights on how to get this working, I'd very much appreciate it! Uploaded the 2 files you requested. Make sure the plugin exists in /usr/local/nagios/libexec before you continue. 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'. Because what you are showing is the command. I also had same problem and the above answers did not work for me. 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. Short story about swapping bodies as a job; the person who hires the main character misuses his body. Log Files for Supporting Services, 1.3. Here's the service definition I use to monitor the bandwidth data that's stored in the log file. How about saving the world? 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. 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. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. This method is described in the next section. Our tech support team is happy to help you with any questions you might have. However, it doesn't describe in which order to pass parameters. Nagios should be hosted on a securely locked down server, especially if security events are being monitored. 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. NRPE is for more complicated checks, where you need to run commands directly on the remote server. I'm a little bit wary of going to chmod the ping binary (which is what most blog posts have suggested). Mine always starts with either "PING: OK" or "PING: CRITICAL". See this page for details on it's usage: http://nagiosplugins.org/man/check_ping Instead, I believe you'll need to use the check_http command to verify the web server is responding. After some checking the issue further noticed that the reason is IP protocol. The warning limit is 10ms RTA or 2% packet-loss. Which ability is most related to insanity: Wisdom, Charisma, Constitution, or Intelligence? It only takes a minute to sign up. What is Wario dropping at the end of Super Mario Land 2 and why? : In your host template set a default value: In the host definition that should use a difference value set e.g. Engage with our Red Hat Product Security team, access security updates, and ensure your environments are not exposed to any known security vulnerabilities. Extracting arguments from a list of function calls. 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. ', referring to the nuclear power plant in Ignalina, mean? There are those who will say this isn't a good option because of the ability to range the check_ping command, but it should be remembered that host checks aren't even executed until all service checks for a given host have failed. You told Nagios to look to the /usr/local/nagios/etc/objects/switch.cfg to find additional object definitions. See Also: Monitoring Publicly Available Services. If you like to change this, use -t option. See Also: Plugins, Plugin API. 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. He also rips off an arm to use as a sword. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. OpenStack Dashboard - Red Hat Access Tab. News What does 'They're at four. Implementing effective Ping monitoring with Nagios offers the following benefits: These Nagios solutions provide Ping monitoring capabilities and benefits: Nagios XI is the most powerful and trusted infrastructure monitoring tool on the market. That's it for the SNMP monitoring example. Not the answer you're looking for? Here's my basic C: drive space check. 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. I tried that as well, but ran into a different issue. In my localhost.cfg I have tried: check_ssh!xxx22!localhost . What risks are you taking when "signing in with Google"? 4.0.8 . Interpreting non-statistically significant results: Do we have "no evidence" or "insufficient evidence" to reject the null? Nagios Plugins does not include a service plugin however the linux-nrpe-agent does provide check_init_service. 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. Here Host, warning and critical thresholds were passing by Nagios host as below. Note: Replace "linksys-srw224p" in the example definitions below with the name you specified in the host_name directive of the host definition you just added. How to Make a Black glass pass light through it? "Signpost" puzzle from Tatham's collection. "Signpost" puzzle from Tatham's collection, Using an Ohm Meter to test for bonding of a subpanel. In the following example, it sends 10 ICMP ECHO packets to the remote host before its output is measured. QGIS automatic fill of the attribute table by expression. Nagios, the Nagios logo, and Nagios graphics are the servicemarks, trademarks, or registered trademarks owned by Nagios Enterprises. Note: The Nagios daemon doesn't directly process plugin performance data, so it doesn't really care what the performance data looks like. NPCA allows you to check multiple services, here is an example that checks for some services that are running and some that are stopped. 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 rev2023.4.21.43403. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. snmpwalk -v1 -c public 192.168.1.253 -m ALL .1. Plugins can return optional performance data in their output by sending the normal, human-readable text string that they usually would, followed by a pipe character (|), and then a string containing one or more performance data metrics. by cornelp Mon Aug 29, 2016 8:42 am, Powered by phpBB Forum Software phpBB Limited. 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. 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. That configuration file already contains some sample host, hostgroup, and service definitions. NRPE and the Nagios plugins must be installed on each remote machine to be monitored. Was Aristarchus the first to propose heliocentrism? Community Support Forums For Nagios Open Source Projects, Community Support Forums For Nagios Commercial Products, https://assets.nagios.com/downloads/nag gmain.html. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Was Aristarchus the first to propose heliocentrism? Nagios servers may receive a considerable amount of network traffic, resulting in resource contention. rev2023.4.21.43403. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Below is the full define host {} template I'm using: For anyone else who runs into this issue, there's another option than changing permissions on ping. Data Processing (sahara) Log Files, 1.1.6. NSClient++ includes a service module that can check if a service is running. line, since nagios will substitute $HOSTADDRESS$ for the appropriate hosts ip/name. What is the Russian word for the color "teal"? Although admittedly, my analysis is primitive. Making statements based on opinion; back them up with references or personal experience. Processing Performance Data Using Commands. You'll need to let the check_mrtgtraf plugin know what log file the MRTG data is being stored in, along with thresholds, etc. 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. If it doesn't, install net-snmp and net-snmp-utils and recompile/reinstall the Nagios plugins. Email: sales@nagios.com I just mis-typed it here, sorry. At a minimum, Nagios plugins must return a single line of human-readable text that indicates the status of some type of measurable data. 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 Is there a plugin named check_hosts? If this is the *first* switch you're monitoring, you can simply modify the sample host definition in switch.cfg. ms|rta=0.627000ms;3000.000000;5000.000000;0.000000 pl=0%;80;100;0. To learn more, see our tips on writing great answers. However, one server runs with much less free space than the norm. The thing you post is a Nagios command. 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. Can you still use Commanders Strike if the only attack available to forego is an attack against an ally? To learn more, see our tips on writing great answers. This means if the check_ping does not get a result in 10 seconds, the command will timeout. Change the host_name, alias, and address fields to appropriate values for the switch. Find centralized, trusted content and collaborate around the technologies you use most. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. Any complicated monitoring can be placed into a script, and then referred to in the command definition. The scheduling engine employs some tricks to keep checks from bunching up and causing CPU spikes, otherwise if you had all of your checks set to run every minute, you would have 59 seconds of nothing and then everything run at once. by cornelp Wed Aug 17, 2016 8:32 am, Post However, it doesn't describe in which order to pass parameters. If you like to change this, use -p option. There aren't really any inherent limitations on the format or content of the performance data.

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nagios check_ping define service

nagios check_ping define service