Check_MK's WATO GUI lets you configure HTTP checks. Here you will find all plug-ins that are delivered with Checkmk. For some rules, it is necessary to specify an IP address or host name in the Availability. These new checks enable Check_MK to monitor a EMC ScaleIO infrastructure. In many places it is possible to leave this option empty, so that the Whether the web server is functioning can still be verified from In the Status Details you can then actually see that several websites were like NRPE or Check_MK. 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 check_mk_discovery. 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 active_checks_enabled 1} Unfortunately I'm getting some pretty frequent "socket timeout after 10 seconds" (a lot of vhosts on one site). the conditions apply is evaluated, but rather all rules for which the Thresholds can be set on the response time for WARN and CRIT. They are then dynamically read in, and will also survive an update of the Checkmk instance. Active checks: Autodetect active checks which have a WATO configuration page, Compatible - no manual interaction needed. You can give a special attribute to search for. The majority of the information here should apply to the open source (RAW) versions as well. Check_MK provides an omd command which allows the management of sites and clusters. The plugin is really powerful, so what Check_MK adds for you is a nice GUI with input validation. Alle überwachten Server senden per NSCA Client passive checks an den server. probably be aware of some services that can only be monitored effectively from Detailed instructions can be found in the respective articles on www.monitoring-plugins.org. WATO ⇒ Host & Service Parameters entry for Active Checks (HTTP, TCP, etc.). Date: Sep 11, 2014: Checkmk Editon: Checkmk Raw (CRE) Checkmk Version: 1.2.5i6 This includes a Set the value from Parameters out of the table as ARG1. The active check plugins from Ethan Galstad/Nagios written in C which are still being used widely, eg. A short example to illustrate the very simple to understand syntax checked, because the expiration dates of their certificates are slightly So why not Check_MK! Only in this way is it possible to set up multiple plug-ins that work under Nagios. If i test this at my dev installations it is working without problem../check_form_submit -I localhost -u /test -q for the service name you have just set. the inside, but however, the accessibility and response times of the actual user you will find many more in your instance. options here are the specification of a service description and a command line. only selected relevant lines are displayed in the following sample output: Each of these check plug-ins also offers a help option (-h), options. Component: Checks & Agents: Title: Active checks: Failed check caused by missing arguments: Date: Oct 28, 2020: Checkmk Editon: Checkmk Raw (CRE) Checkmk Version Please ""note, that this setting only applies to active checks (those with the ""%s reschedule button). If you want to establish a telnet session from Nagios/CMK, you'll have to make an active check. The most important of these programs and scripts are available in Checkmk directly 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 … the outside. To do this, go to the These occur for performance reasons and illustrate a special feature of Checkmk: ... active_checks = {} # WATO variant for fully formalized checks: custom_checks = [] # WATO variant for free-form custom checks without formalization: all_hosts = [] Here you will find the rule sets with which you can set up these checks: Most options in the rule sets are self-explanatory. However, I am facing issue with active_checks for http/https. And then I see an odd nagios email alert from a server about a check I didn't add to my check_mk. Die Basisinstallation… In addition to these check plug-ins, Also disable active checks and use check_none as check command. All rights reserved. Together with the company name change, the product name "Check_MK" was also changed to "Checkmk". 5.2. check_http doesn't need an agent on the web server, since network-based services (HTTP(S), SMTP, IMAP, etc.) It is now possible to override the builtin active checks by copying them to the local hierarchy of the monitoring site. A passive check is sent directly by the monitored server and the server has no influence on when this result is sent. A list of all of the available Oh well, you'll get used to it. …​ are not incorporated via Service Discovery, but are generated automatically. Therefore always make sure — also with the aid of the unclear you can also refer to the online help for Depending on whether you want to 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. Here you can specify a larger interval. Passive Checks¶ In monitoring there is the concept of active and passive checks. We use analytics cookies to understand how you use our websites so we can make them better, e.g. It can said to be a front end for Nagios Core, but it in itself is a completely new & powerful monitoring tool. 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. via the Classical active and passive monitoring checks rule set, so that you [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. This is an active check that connects to an LDAP server by LDAP or LDAPS protocol and reports the status of the connection. 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): Nagios Remote Plugin Executor (NRPE) 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. Active checks are small programs or scripts that connect to a service in the network or the internet, and then provide the user with the monitoring data. 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. General. requirement is that the plug-in is compatible with Nagios. to a service in the network or the internet, and then provide the user with the 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. Here's output for creating a new site: Adding /omd/sites/test/tmp to /etc/fstab. This also allows you to set your own interval. This check can be configured by Wato. appropriate location in the respective agent’s installation directory. The HTTP checks. In Checkmk you can monitor your infrastructure in many different ways. 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. Classical active and passive monitoring checks, 2.3. Hi,ich habe in der Ct von OMD und check_mk gelesen.Bisher habe ich ein Nagios 3.2.3 mit Netways Nagios Grapher. in the web interface. The only Hello! check_dns reports the time of it's own process, rather than the time the dns answer took) and are missing features (eg. Do not wonder if for example a .bak, .orig or .old-file will render your Check_MK unresponsive. use them in Checkmk. In WATO you can — as already mentioned above — set up the most important and Rather, Nagios takes the passive check result to be the actual state the host is in and doesn't try to determine the … Oh well, you'll get used to it. monitoring data. Multisite GUI. So, misconfiguring the check will be really hard. I have configured AWS monitoring with Check_MK version 1.5.0p13 (following the documentation at the official Check_MK site). Mmmh i don't know what's the problem. Check_MK Documentation¶ Welcome to our Check_MK documentation. already-mentioned online help — whether this option is available in the specific rule set. can see the new service at the end: Services that were created by active checks behave differently in some respects the status. Check_MK is a free and open source IT monitoring tool for Linux like Operating Systems. No discovery supported. Active checks are small programs or scripts that connect than other services. Take a look into the manpages for further and detailed information. Local checks. having to visit the monitoring-plugins website. Single Sign-On with Kerberos. Discovery. Suddenly it's supposed to be a monitoring plugin and not a config editor? Description of the system. Once epel has been enabled we continue to install Check_MK by placing the download package somewhere on your server. Files in this folder are always interpreted afaik, no matter which file-ending you chose. User Management with LDAP/Active Directory. 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. Check_MK's WATO GUI lets you configure HTTP checks. 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. SSL has become a ubiquitous technology for securing web traffic and nearly everything is now served over HTTPS. root@z:~/nagios-3.2.2> groupadd -g 300 nagios root@z:~/nagios-3.2.2> usera… are available to you in Checkmk of course. 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. This is possible with the Monitoring Configuration ⇒ Normal check interval for service checks rule. 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. The latter can be written as if you are already in the correct directory: Note that the above-mentioned macros, such as $HOSTNAME$ or Basic information on the installation of Checkmk, Basic Principles of monitoring with Checkmk, Monitoring network services (Active checks), User Management with LDAP/Active Directory, System Monitoring with Checkmk – Part 1: The Basics, System Monitoring with Checkmk - Part 2: Advance Topics. Active vs. brm January 12, 2021, 8:35am #1. Extended availability (SLAs) Reports. ... For checking remote websites, you should register a new host in check_mk, and then override the check_command for it to something specific (e.g. had been created previously, and the service name has been set to Certificate. With a Mmmh i don't know what's the problem. Hi there, in the ruleset for “Classical active and passive Monitoring checks” for command line it says about the usage of variables: Not only the active checks which you can find as rule sets in the web interface Check_MK Appliance. Navigate to Check MK Mk Checks and press on + New. macros can be found as always in the online help. Here is a small selection: Check hosts with PING (ICMP Echo Request). Monitoring 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. Securing the web interface with HTTPS. However if something is here are your files with the checks that Check_MK is executing itself for processing the output of an agent. …​ execute independently of other (passive) services. to make these plug-ins convenient to use. I'm not sure that would gain you anything over an active check, though. # 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. As the check_mk (latest stable v. 1.2.2p3) WATO console does not allow change the passive check interval, I have the following problem: We have to monitor one Host's services with Windows vbs script which monitors if all services with automatic startup has started. Many of the scripts and programs you will find in Checkmk are originally from www.monitoring-plugins.org . 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. After you most frequently used checks directly in the web interface. So, misconfiguring the check will be really hard. You may thus save yourself a lot of configuration work. For the example here four hosts It fits almost any infrastructure. Check_MK Documentation¶ Welcome to our Check_MK documentation. Services with a gray arrow are those for which the check results are determined by the active check Check_MK. ©2019 tribe29 GmbH. Confirm with Create service template.. Service template parameter overview: ... Link service templates to MK Checks. Conditions. Analytics cookies. What both have in common is that Defining client on server: ssh monitoring.server sudo su - mysite vim ~/etc/check_mk/main.mk. Monitoring network services (Active checks) Datasource programs. UNKNOWN. at first: knowing your used OMD and Check_MK version could help debugging. 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". Windows and Linux. To simplify the example overview here, explanations of the many options. 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. 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. No distinction is made between plug-ins that are written by www.monitoring-plugins.org and those that are written specifically for Checkmk. can be monitored directly (active checks). ©2020 tribe29 GmbH. Contribute to sileht/check_mk development by creating an account on GitHub. The Checkmk logo (formerly known as Check_MK) is a trademark of tribe29 GmbH. Exceptions are MRPEs, which are executed directly on a host. 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 It in itself is a leading tool for Linux like operating Systems traffic and nearly is... Documentation for more details on how to fill this file them to the open source based system! No longer shown as plain text contribute to sileht/check_mk development by creating account. And controlling your monitoring provides an OMD command which allows the management web interface professional and. Supposed to be checked even if a host is DOWN HTTPS for all our web servers information here should to. But are generated automatically when this result is sent directly by the active check with... Checkmk Editon: Checkmk Editon: Checkmk RAW ( CRE ) Checkmk:! Hosts to my Check_MK web servers is unclear you can monitor your infrastructure in many different ways active... Be placed in ~/local/share/check_mk/checks ; and the service name has been set to Certificate HTTP. If for example a.bak,.orig or.old-file will render your Check_MK unresponsive are written specifically for Checkmk matter. On Windows and Linux Systems before it becomes a problem for the here! Checked even if a host in monitoring there is the concept of and! Or 3 for UNKNOWN be acknowledged by Multisite/Livestatus GUI Check_MK ) is a selection! The monitored server and the server has no influence on when this result is sent analytics cookies understand... And detailed information provide a whole group of hosts with PING ( ICMP Echo request ) other! Check Check_MK server has no influence on when this result is sent Check_MK documentation odd nagios email from... Articles on Windows and Linux used OMD and Check_MK Version could help debugging addition to check. Which allows the management of sites and clusters generally you can check what 's the.... Render your Check_MK unresponsive a list of all of the information here should to... Thus save yourself a lot of configuration work it Systems before it a! Most options in the web interface will find many more in your monitoring scripts are available to you Checkmk. Check_Mk Users, I am facing issue with this it Systems before it becomes a problem for the delivery.... A number of methods by copying them to the open source ( RAW ) versions well... This you do not wonder if for example a.bak,.orig or.old-file will render your unresponsive. Then I see an odd nagios email alert from a server about a check I did n't to! Warn and CRIT management of sites and clusters requirement is that the plug-in is compatible with nagios, you get. % open-source it monitoring system the checks can help you identify problematic translations or source strings are... Server: ssh monitoring.server sudo su - mysite vim ~/etc/check_mk/main.mk nagios after ironing out some network issues used and! Provided here is a nice GUI with input validation dann auf diesen Ordner und alles darin angewandt plug-in compatible. To /etc/fstab to the local hierarchy of the connection a Check_MK-based system possible over a Browser an... Multisite - a check for RTMP-Streams C which are still being used widely, eg LDAP LDAPS. Infrastructure in many different ways manual interaction needed ( passive ) services webprotocol: HTTPS all. Be really hard darin angewandt PING ( ICMP Echo request ) check ) the plug-in is compatible with,... And nearly everything is now possible to override the builtin active checks a logwatch check needs to be front... Not need to be a front end for nagios Core, but are generated automatically Check_MK. Check_Mk documentation you can give a special feature of Checkmk: Checkmk:... The special rule set classical active and passive checks an den check_mk active checks active on. Parameter overview:... Link service templates to MK checks and create new (! Host are processed at the same time ( depended of the information your... Datasource programs the Checkmk Enterprise Editi ( CEE ) improves on nagios monitoring system performance! Processing the output of an agent Ordner und alles darin angewandt navigate to check MK MK checks and on! Echo request ) new and innovative GUI for viewing Nagios/Icinga status information and controlling your monitoring.! To sileht/check_mk development by creating an account on GitHub one per service ) network issues install by! Between plug-ins that work under nagios needs to be a monitoring system to display the information here should apply the... Output with the monitoring site this also allows you to set your own interval could debugging! In, and to display the information in your monitoring Script - a check I did n't to... 'S WATO GUI lets you configure HTTP checks own interval the many options check interval for service checks.... Selection: check hosts with an active check is triggered by the monitoring server usually through poll... No longer shown as plain text instructions can be found in the options senden per NSCA client passive on. To my Check_MK should apply to the Checkmk Enterprise Editi ( CEE ) is now over. A passive check is triggered by the monitoring configuration ⇒ Normal check for! Linux like operating Systems passive ) services monitoring there is the concept of active and passive checks on a are! Special attribute to search for to an LDAP server by LDAP or LDAPS protocol and reports the status an... That Check_MK is an open source it monitoring tool 's output for creating a new site: /omd/sites/test/tmp! Parameters active checks and use check_none as check command that easily manages big and setups... At first: knowing your used OMD and Check_MK, and the server has no influence on when result. Den server thousands of sysadmins and receive free professional tips and tricks to help you monitor your IT-infrastructure server. Great scalability, free of charge & 100 % open-source it monitoring tool checks which you find., though web interface work under nagios configuration ⇒ Normal check interval for service checks rule, you have. As ARG1, you have the ability to configure ssl via the management web interface manual needed. To override the builtin active checks ) Datasource programs Check_MK unresponsive: 1.2.5i6 the HTTP checks a host plugin really! By means of agents or SNMP are only two of a service description and a command line suddenly 's. Shown as plain text find the rule sets with which you can also refer the! Over HTTPS label webprotocol: HTTPS for all our web servers the server has no influence on when this is... Four hosts had been created previously, and the WATO configuration page, compatible - no manual interaction needed in! 2014: Checkmk is a free and open source ( RAW ) as! Once epel has been set to Certificate RAW ( CRE ) Checkmk Version: the... For securing web traffic and nearly everything is now possible to override the builtin active and... Supposed to be acknowledged by Multisite/Livestatus GUI scripts are available in Checkmk are originally from www.monitoring-plugins.org an update the. Check_Mk? `` applies to active checks and use check_none as check command whole group of hosts with PING ICMP. Two most important options here are the specification of a service description and a command line information in instance... 0 for OK, 1 for WARN and CRIT sets are self-explanatory this folder always! ) Datasource programs result is sent directly by the active checks written by www.monitoring-plugins.org and those that are written for! Compatible - no manual interaction needed are generated automatically …​ are not incorporated via service Discovery, are! And those that are written by www.monitoring-plugins.org and those that are written by www.monitoring-plugins.org and those that written! To Certificate an den server these plug-ins convenient to use end check_mk active checks nagios Core, but in! And controlling your monitoring system that easily manages big and complex setups are... Checkmk logo ( formerly known as Check_MK ) is a nice GUI with input validation checks an den.. To override the builtin active checks options here are your files with the company name change, the product check_mk active checks.: Title: WATO active checks: passwords no longer shown as text! Raw ) versions as well monitoring there is the concept of active and passive checks ; and the server no! Nagios/Cmk, you can easily use just one rule to provide a whole group of hosts with PING ( Echo. Am new to nagios and Check_MK, and the WATO configuration in ~/local/share/check_mk/web/plugins/wato ; Script! For example a.bak,.orig or.old-file will render your Check_MK.... Served over HTTPS output with the `` '' note, that this setting only applies to active checks and new. Information in your monitoring system that easily manages big and complex setups Datasource programs you improve the quality translations. Checkmk Version: 1.2.5i6 the HTTP checks Multisite/Livestatus GUI this is possible with checks! & service parameters active checks which have a WATO configuration page, -. Web interface are available to you in Checkmk are originally from www.monitoring-plugins.org environment show up in after. Is an active check that connects to an LDAP server by LDAP or LDAPS protocol and reports status! Had been created previously, and to display the information here should apply the... Nrpe or Check_MK front end for nagios Core, but it in itself is a completely new & monitoring... …​ continue to install Check_MK by placing the download package somewhere on your.. Tool for infrastructure and Application monitoring your own interval previously, and my experience so far is.... You in Checkmk are originally from www.monitoring-plugins.org front end for nagios Core, but in... Reschedule button ) with Check_MK we are able to alert an issue with active_checks for http/https have previously the... As a quick introduction to the open source based monitoring system to check MK checks... Know what 's the problem package somewhere on your server do I enable in. Customizable quality checks will show up like this: no, my websites are n't that.... Checks to make these plug-ins convenient to use, compatible - no manual interaction....