OMD and Check_mk
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This document provides a 15 minute crash course on OMD (Open Monitoring Distribution) and Check_MK. It discusses what OMD and Check_MK are, the data collection process, how to deploy OMD and the Check_MK agent, and provides recommendations. OMD is not a Linux distribution but a set of tools for running multiple monitoring instances per host with separate users. Check_MK is a Nagios addon that provides automatic service detection, hierarchical configuration, and high performance passive checks. It then outlines how to install OMD, install and configure the Check_MK agent, create an OMD instance, and access the multisite interface. Security recommendations include filtering iptables to only allow traffic from the monitoring server.
OMD and Check_mk
- 1. Text OMD & Check_MK (15 minutes crash course) arturmartins@gmail.com 6th March 2014 !
- 2. Agenda What is OMD? What is Check_MK? Data collection process Deployment (OMD and Check_MK agent) Demo Recommendations
- 3. What is OMD? Open Monitoring Distribution - http://omdistro.org/ Not a Linux distro, just a group of tools Features: multiple instances per host separate omd user per instance etc
- 4. What is Check_MK? Nagios add-on (Developed by Mathias Kettner) Features: Automatic Service-Detection Rule-based, hierarchical con鍖guration High performance through passive checks Creates Nagios con鍖gs for you :)
- 7. Install OMD (Debian/Ubuntu) Add the of鍖cial repo according to your distro https://labs.consol.de/repo/stable/ aptitude update && aptitude install omd
- 8. Install Check_MK_agent Install super server aptitude install xinetd Install check_mk_agent dpkg -i check-mk-agent_1.2.4-2_all.deb verify if the TCP port 6556 is open netstat -tulp | grep 6556
- 9. Create OMD instance Create a OMD instance for a new environment omd create env_test Activate instance omd start env_test Access multisite http://omd/env_test/ - user:omdadmin pass:omd
- 11. Recommendations Security! Install iptables and only accept the OMD server iptables -A INPUT -p tcp --dport 6556 -s X.X.X.X -j ACCEPT iptables -A INPUT -p tcp --dport 6556 -j DROP
- 12. References OMD: http://omdistro.org Check_MK project: http://mathias-kettner.de/check_mk.html Check_mk with Nagios: http://www.onaxer.com/2010/10/21/check_mk-with-nagios/ Code from this slides: https://github.com/arturmartins/omd-check_mk_starter
- 13. Questions?
- 14. Thank you. Artur Martins arturmartins@gmail.com