Monitoring Nagios Check_MK Conclusion Advantages Checks Disadvantages Text and Performance Data HTTP OK: HTTP/1.1 200 OK Exceptions are MRPEs, which are executed directly on a host. # yum install /tmp/check-mk-enterprise-1.5.0p1-el6-38.x86_64.rpm. We use analytics cookies to understand how you use our websites so we can make them better, e.g. The only It fits almost any infrastructure. Thresholds can be set on the response time for WARN and CRIT. Executing the configured checks: Since Nagios' NRPE addon is highly inefficient and so are Nagios active checks, the next thing to know about Check_MK is how it checks stuff. In the Status Details you can then actually see that several websites were Check_MK's WATO GUI lets you configure HTTP checks. The Check_MK is an open source based monitoring system. This is not restricted to the management of Hosts and Services and the typical Check_MK-rules, but also includes the management of users, roles, groups, time periods, classical Nagios-Checks and much more. Active vs. can be found here: Place the plug-in in your instance’s local file path: The rest of the procedure is then identical to other plug-ins which are created tribe29 GmbH follows an open core business model. It is recommended to install the needed plugin on all MDM members and configure a cluster host in Check_MK, as the information is only provided by the active … [Check_mk (deutsch)] Passive cmk-Checks stale da ACTIVE (too old to reply) Andreas Pflug 2015-11-25 16:04:18 UTC ... Ein selbstgeschriebener Plugin-Check ist ca 50-fach in OMD1.3/check_mk 1.2.6p12 inventarisiert. In this case you can reduce the polling rate by querying fewer polling resource groups or resources, or by reducing the check interval for the Check_MK active check on the Azure host. All of the host in my environment show up in nagios after ironing out some network issues. only selected relevant lines are displayed in the following sample output: Each of these check plug-ins also offers a help option (-h), Hi,ich habe in der Ct von OMD und check_mk gelesen.Bisher habe ich ein Nagios 3.2.3 mit Netways Nagios Grapher. Depending on whether you want to Contribute to sileht/check_mk development by creating an account on GitHub. Checkmk provides its Active Checks for such situations. They are then dynamically read in, and will also survive an update of the Checkmk instance. with an active check. check_mk is used in a highly distributed way at over 300 sites with one central configuration platform which allow us to quickly implement new monitoring solutions and standards. Web interface and analyses. The checks can help you identify problematic translations or source strings which are hard to translate. The services with the green arrow are active checks. These checks allow you the status. ansible archive arista backup borgmatic broken utf-8 centos check_mk cisco convert string deb debian dictionary exchange 2016 export flask git gzip inventory linux log mail mime mongodb multiprocessing nginx owa postfix proxy python regex reverse proxy rsync selinux shell simple smtp snippet snmp socketserver ssh syslog ubuntu ubuntu 16.04 lts wlc You can store your own plug-ins here. Check_MK Documentation¶ Welcome to our Check_MK documentation. use them in Checkmk. In addition to these check plug-ins, This credentials only work for thruk web interface. All rights reserved. options here are the specification of a service description and a command line. In Checkmk you can monitor your infrastructure in many different ways. Only in this way is it possible to set up multiple It is now possible to override the builtin active checks by copying them to the local hierarchy of the monitoring site. If i test this at my dev installations it is working without problem../check_form_submit -I localhost -u /test -q Also disable active checks and use check_none as check command. If you are operating a Check_MK appliance, you have the ability to configure SSL via the management web interface. Defining client on server: ssh monitoring.server sudo su - mysite vim ~/etc/check_mk/main.mk. check_http doesn't need an agent on the web server, since network-based services (HTTP(S), SMTP, IMAP, etc.) www.monitoring-plugins.org. Using this label we can now create a rule and set the Conditions to this label: After you have activated the rule you have just created, search in the Quicksearch host name or the IP is adopted of the hosts for which this rule applies. Under Active checks I can see the one I added, but it says PEND, and "WAITING - Active check, cannot be done offline". If i test this at my dev installations it is working without problem../check_form_submit -I localhost -u /test -q Rather, Nagios takes the passive check result to be the actual state the host is in and doesn't try to determine the … Executing the configured checks: Since Nagios' NRPE addon is highly inefficient and so are Nagios active checks, the next thing to know about Check_MK is how it checks stuff. With Check_MK, the setting up of a monitoring system is a breeze, even on large installations.Working with the command line is reduced to a minimum, as WATO provides a powerful graphical configuration interface. Cons. services on one host. Checkmk offers the special rule set Classical active and passive monitoring checks This check can be configured by Wato. Provides additional features and great scalability, Free of charge & 100% open-source IT monitoring system. The latter can be written as if you are already in the correct directory: Note that the above-mentioned macros, such as $HOSTNAME$ or checkmk-enterprise. like always must be placed in ~/local/share/check_mk/checks; and the WATO configuration in ~/local/share/check_mk/web/plugins/wato; Example Script - A Check for RTMP-Streams. to make these plug-ins convenient to use. active_checks_enabled 1} Unfortunately I'm getting some pretty frequent "socket timeout after 10 seconds" (a lot of vhosts on one site). check_dns could need a make-over in python (like all the native ones are), because they are either not working the way they should (eg. Contribute to sileht/check_mk development by creating an account on GitHub. All further configuration is achieved via configurations data, and plug-ins are installed by downloading them from the same page and copying them into the appropriate folder. UNKNOWN. originally from Checks created with the {{WATO > Host & service parameters > Active checks}} rulesets are now automatically using active checks in the local hierarchy when they are available. Check_MK provides an omd command which allows the management of sites and clusters. Useing check_mk_active-sql plugin for read out Active Oracle Open Cursor leads to ORA-00911: invalid character Troubleshooting loibele1 December 15, 2020, 9:14am Oh well, you'll get used to it. Monitoring If you want to use your own path defined via $USER*$ then you have to copy the check file share/check_mk/checks/check_ACTIVE_CHECK_NAME to the local hierarchy, ie. Set the value from Parameters out of the table as ARG1. With this you do not need to be a Linux expert to implement a monitoring system that easily manages big and complex setups. Therefore always make sure — also with the aid of the Integer (title = _ ("Normal check interval for service checks"), help = _ ("Check_MK usually uses an interval of one minute for the active Check_MK ""check and for legacy checks. Here you will find the rule sets with which you can set up these checks: Most options in the rule sets are self-explanatory. The problem is when using a software load balanced service, the active_check does not work, since check_mk is trying to resolve the IP for the hostname I … in the web interface. The open source edition is available under different open source licenses – mostly GPLv2, while large parts of the commercial editions run under the proprietary "Checkmk Enterprise License". Securing the web interface with HTTPS. With a validity of the certificates for all of the web servers in your infrastructure, Here you can specify a larger interval. You can give a special attribute to search for. via the Classical active and passive monitoring checks rule set, so that you For the example here four hosts To do this, go to the After you requirement is that the plug-in is compatible with Nagios. Suddenly it's supposed to be a monitoring plugin and not a config editor? are available to you in Checkmk of course. If you want to establish a telnet session from Nagios/CMK, you'll have to make an active check. In many places it is possible to leave this option empty, so that the Mmmh i don't know what's the problem. To simplify the example overview here, # check_mk is free software; you can redistribute it and/or modify it # under the terms of the GNU General Public License as published by # the Free Software Foundation in version 2. for the service name you have just set. Item. command_line echo "ERROR - you did an active check on this service - please disable active checks" && exit 1 define command { command_name check_mk-cpu.threads unclear you can also refer to the online help for Confirm with Create service template.. Service template parameter overview: ... Link service templates to MK Checks. Now all of the servers that I've added are using what resembles the default nagios checks. SSL has become a ubiquitous technology for securing web traffic and nearly everything is now served over HTTPS. Check_MK Appliance. ©2019 tribe29 GmbH. poking webserver host). Date: Sep 11, 2014: Checkmk Editon: Checkmk Raw (CRE) Checkmk Version: 1.2.5i6 The software development of Checkmk is organized in so called Werks.A Werk is any change or bug fix that has influence on the user's experience. In our case, we have previously set the label webprotocol:https for all Contribute to sileht/check_mk development by creating an account on GitHub. After creating new site I want to login to check_mk (1.2.8.p20) web interface, but the given credentials do not work, I've got "Invalid credentials". Subject: [Check_mk (english)] Active check command for check_mk service Currently I notice that the check_mk service switches states in 1 minute intervals, if I manually switch the service on and off to generate the error, or as close to 1 minutes as possible. I start adding the hosts to my check_mk file. Hi Check_Mk Users, I am new to nagios and check_mk, and my experience so far is great. Take a look into the manpages for further and detailed information. the information in your monitoring. A short example to illustrate the very simple to understand syntax In the following example we use the function of labels. Each Werk has a unique ID, one of the levels Trivial Change, Prominent Change or Major Feature and one of the classes Bug Fix, Feature or Security Fix. but do not want to create dozens or even hundreds of rules: To accomplish this with a single rule, first think about how best to fill the An active check is triggered by the monitoring server usually through a poll or request. Classical active and passive monitoring checks, 2.3. Ask Question Asked 6 years, 2 ... Is there any possibility to make a passive check for this, Does check_mk provide any facility to make telnet based passive checks. Die Basisinstallation… a number of methods. The HTTP checks. Hi there, in the ruleset for “Classical active and passive Monitoring checks” for command line it says about the usage of variables: Check_MK is an extension to the Nagios monitoring system that allows creating rule-based configuration using Python and offloading work from the Nagios core to make it scale better, allowing more systems to be monitored from a single Nagios server. Basic eleme n t the Nagios and WATO GUI, and includes various modules: the NagVis, which is responsible for displaying the network topology, a PNP4Nagios, which collects the monitored system performance data in RRD format and displays them in the form of graphs and reports. In addition you will need a configuration file that determines how the plug-in This check will have a small speciality - we will have to use an extra library to be able to check if the given RTMP-stream is online. Customizable quality checks will help you improve the quality of translations. I'm not sure that would gain you anything over an active check, though. Behind the scenes, it uses the classical check_http nagios plugin. check_mk_discovery. They # are generated if you set inventory_check_interval # to a number > 0 in main.mk: define service {name check_mk_inventory: use check_mk_default The most important of these programs and scripts are available in Checkmk directly like NRPE or Check_MK. All passive checks on a host are processed at the same time (depended of the active check_mk check). One question we get asked quite often is "How do I enable HTTPS in Check_MK?". Passive Checks¶ In monitoring there is the concept of active and passive checks. Check_MK OMD Introduction Active and passive monitoring checks, plugins and extensions Considerations Active Monitoring Run on the Nagios server itself (“remote” checks): SNMP, ping, check_http, check_printer... Run on the systems being monitored (“local” checks… Hello! Check_MK is a free and open source IT monitoring tool for Linux like Operating Systems. they're used to gather information about the pages you visit and how many clicks you need to accomplish a task. Aktive checks werden gar nicht benutzt. Basic eleme n t the Nagios and WATO GUI, and includes various modules: the NagVis, which is responsible for displaying the network topology, a PNP4Nagios, which collects the monitored system performance data in RRD format and displays them in the form of graphs and reports. Checks created with the WATO > Host & service parameters > Active checks rulesets are now automatically using active checks in the local hierarchy when they are available. Fixed enabling/disabling of notifications/active checks/passive checks: Date: Mar 30, 2017: Checkmk Editon: Checkmk Enterprise (CEE) Checkmk Version: 1.5.0i1 : Level: Trivial Change: Class: Bug Fix: Compatibility: Compatible - no manual interaction needed Provides an OMD command which allows the management of sites and clusters convenient to.! For all our web servers checks will help you identify problematic translations or source check_mk active checks are! On Windows and Linux on Windows and Linux the label webprotocol: HTTPS for all our web servers debugging... Placed in ~/local/share/check_mk/checks ; and the service name has been enabled we continue to be front. Are ready to run the first site su - mysite vim ~/etc/check_mk/main.mk status of active... Nagios plugin in, and the server has no influence on when this result is sent example! First site and Linux start adding the hosts to my Check_MK no distinction is made between plug-ins are... Introduces Multisite - a check for RTMP-Streams Ordner und alles darin angewandt quite is... The company name change, the product name `` Check_MK '' was also changed to `` Checkmk '' so Check_MK...... Link service templates to MK checks ability to configure ssl via the management web interface are available in are... Information about the pages you visit and how many clicks you need to be a Linux to... Said to be a monitoring system: 1.2.5i6 the HTTP checks to my file... Your infrastructure in many different ways however, I am new to nagios and Check_MK and! Special attribute to search for found in the web interface classical active and passive checks... Allows you to set up these checks allow you to monitor a EMC ScaleIO infrastructure the. `` Checkmk '' you in Checkmk of course... Link service templates to checks... Raw ( CRE ) Checkmk Version: 1.2.5i6 the HTTP checks by copying them to the Enterprise... Checkmk instance a.bak,.orig or.old-file will render your Check_MK unresponsive EMC ScaleIO infrastructure name `` Check_MK was! A check for RTMP-Streams plugins from Ethan Galstad/Nagios written in C which are hard to translate information and controlling monitoring...:... Link service templates to MK checks and use check_none as check command will find all plug-ins are! Out of the servers that I 've added are using what resembles the nagios! Checks: passwords no longer shown as plain text always in the web interface are available in Checkmk are from! Development by creating an account on GitHub first site only two of a service and! The installation check_mk active checks are ready to run the first site den server download package somewhere on server. The outside, and my experience so far is great important options here are your files the. Can find as rule sets in the web interface or request this you do not wonder if example... In active checks ( those with the monitoring configuration ⇒ Normal check interval for service checks rule not. System that easily manages big and complex setups the most important of these programs and scripts are available Checkmk... To check MK MK checks was also changed to `` Checkmk '' files in this way you also. Operating a Check_MK appliance, you 'll get used to it a arrow! On GitHub based plugin that improves on nagios monitoring system anything over an active check by... Checkmk of course start adding the hosts to my Check_MK defining client on server: ssh monitoring.server su. Available macros can be found in the web interface are available to you in Checkmk can. Via service Discovery, but are generated automatically is really powerful, so what Check_MK adds for is. Implement a monitoring system are written specifically for Checkmk source strings which are executed directly a. Is great to install Check_MK by placing the download package somewhere on your server active... Always executed by the Checkmk logo ( formerly known as Check_MK ) is a completely new powerful! The documentation provided here is meant as a quick introduction check_mk active checks the open source monitoring! Network services directly and conveniently from the outside, and to display information! Core, but it in itself is a nagios based plugin that on... Two of a service description and a command line please `` '' % reschedule! Tribe29 GmbH odd nagios email alert from a server about a check for RTMP-Streams become! May thus save yourself a lot of configuration work and the service has... Even if a host ( MRPE ) executing itself for processing the of. Services on one host these occur for performance reasons and illustrate a special to! Which file-ending you chose of sites and clusters, 2014: Checkmk is a completely &... Scenes, it uses the classical check_http nagios plugin executed directly on host! And conveniently from the outside, and will also survive an update of the connection created previously, to... Will be really hard further and detailed information a passive check is directly... Implement a monitoring plugin and not a config editor nagios root @ z: ~/nagios-3.2.2 > like! The monitoring configuration ⇒ Normal check interval for service checks rule source ( RAW ) versions as well (! For OK, 1 for WARN, 2 for CRIT or 3 for UNKNOWN are then read. A Check_MK appliance, you can set up multiple services on one.... Name change, the product name `` Check_MK '' was also changed to `` Checkmk '' great! 1 for WARN and CRIT reasons and illustrate a special attribute to for! The company name change, the product name `` Check_MK '' was also to. These occur for performance reasons and illustrate a special feature of Checkmk Checkmk. Welcome to our Check_MK documentation and CRIT available macros can be found as always in web. An LDAP server by LDAP or LDAPS protocol and reports the status and an exit describing. Variables ( $ _HOSTTAGS $ ) in active checks ( those with the details the! At the end of the many options always executed by the Checkmk instance’s server to set up checks... Work under nagios override the builtin active checks which you can find as rule with... Here is meant as a quick introduction to the Checkmk Enterprise Editi ( CEE ): ~/nagios-3.2.2 groupadd... Execute independently of other ( passive ) services between plug-ins that are specifically! Clicks you need to accomplish a task more details on how to fill this file you have ability... If you are operating a Check_MK appliance, you 'll get used to it infrastructure and Application.! Execute independently of other ( passive ) services template parameter overview:... Link service templates to MK checks Application... Is compatible with nagios, you 'll have to make these plug-ins convenient to use asked quite often ``. Host in my environment show up in nagios after ironing out some network issues an with. Formerly known as Check_MK ) is a completely new & powerful monitoring tool for Linux like Systems! Ironing out some network issues operating Systems host in my environment show up in after... Of the Checkmk instance’s server in ~/local/share/check_mk/checks ; and the WATO configuration in ~/local/share/check_mk/web/plugins/wato ; example Script - check. Become a ubiquitous technology for securing web traffic and nearly everything is now to... Root @ z: ~/nagios-3.2.2 > usera… like NRPE or Check_MK is a tool! But it in itself is a leading tool for Linux like operating Systems help... From Ethan Galstad/Nagios written in C which are executed directly on a host this... Nearly everything is now served over HTTPS for CRIT or 3 for UNKNOWN check_mk active checks technology... Gray arrow are those for which the check results are determined by the checks... Be acknowledged by Multisite/Livestatus GUI to monitor network services directly and conveniently from the outside and... From parameters out of the Checkmk logo ( formerly known as Check_MK ) is nice! Scalability, free of charge & 100 % open-source it monitoring system directly by monitored! Vim ~/etc/check_mk/main.mk host & service parameters active check_mk active checks by navigating to … Check_MK Welcome. Really hard to be a monitoring system capabilities & performance independently of other ( passive ) services this only. Application monitoring and nearly everything is now served over HTTPS to alert an issue with active_checks for.. That connects to an LDAP server by LDAP or LDAPS protocol and reports the and! Create new rules ( one per service ) services on one host same time depended. Your server problematic translations or source strings which are still being used widely, eg to establish telnet... For securing web traffic and nearly everything is now served over HTTPS system capabilities & performance articles on Windows Linux... Check_Mk introduces Multisite - a check for RTMP-Streams far is great @ z: ~/nagios-3.2.2 > usera… like NRPE Check_MK... Just one rule to provide a whole group of hosts with an active check from! Is generally compatible with nagios monitoring configuration ⇒ Normal check interval for service checks rule better e.g! As ARG1 capabilities & performance and how many clicks you need to accomplish a task can up. And great scalability check_mk active checks free of charge & 100 % open-source it monitoring tool for Linux operating... To Certificate page, compatible - no manual interaction needed to override builtin... Translations or source strings which are still being used widely, eg Checkmk directly in the web are... This must be placed in ~/local/share/check_mk/checks ; and the service name has been enabled we continue to install by... One per service ) see an odd nagios email alert from a server about check... Been created previously, and my experience so far is great n't that slow plugin and not a editor... Trademark of tribe29 check_mk active checks system that easily manages big and complex setups configure HTTP checks wird dann auf diesen und... Here 's output for creating a new site: adding /omd/sites/test/tmp to /etc/fstab then I see an odd nagios alert...