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Zabbix: Enterprise Network Montioring Made Easy

You're reading from   Zabbix: Enterprise Network Montioring Made Easy Ultimate open source, real-time monitoring tool

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Product type Course
Published in Feb 2017
Publisher Packt
ISBN-13 9781787129047
Length 1327 pages
Edition 1st Edition
Tools
Concepts
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Authors (3):
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Rihards Olups Rihards Olups
Author Profile Icon Rihards Olups
Rihards Olups
Andrea Dalle Vacche Andrea Dalle Vacche
Author Profile Icon Andrea Dalle Vacche
Andrea Dalle Vacche
Patrik Uytterhoeven Patrik Uytterhoeven
Author Profile Icon Patrik Uytterhoeven
Patrik Uytterhoeven
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Toc

Table of Contents (51) Chapters Close

Zabbix: Enterprise Network Montioring Made Easy
Zabbix: Enterprise Network Montioring Made Easy
Credits
Preface
1. Getting Started with Zabbix FREE CHAPTER 2. Getting Your First Notification 3. Monitoring with Zabbix Agents and Basic Protocols 4. Monitoring SNMP Devices 5. Managing Hosts, Users, and Permissions 6. Detecting Problems with Triggers 7. Acting upon Monitored Conditions 8. Simplifying Complex Configurations with Templates 9. Visualizing Data with Graphs and Maps 10. Visualizing Data with Screens and Slideshows 11. Advanced Item Monitoring 12. Automating Configuration 13. Monitoring Web Pages 14. Monitoring Windows 15. High-Level Business Service Monitoring 16. Monitoring IPMI Devices 17. Monitoring Java Applications 18. Monitoring VMware 19. Using Proxies to Monitor Remote Locations 20. Encrypting Zabbix Traffic 21. Working Closely with Data 22. Zabbix Maintenance 23. Zabbix Configuration 24. Getting Around in Zabbix 25. Groups, Users, and Permissions 26. Monitoring with Zabbix 27. Testing with Triggers in Zabbix 28. Working with Templates 29. Data Visualization and Reporting in Zabbix 30. Monitoring VMware and Proxies 31. Autodiscovery 32. Zabbix Maintenance and API 33. Deploying Zabbix 34. Distributed Monitoring 35. High Availability and Failover 36. Collecting Data 37. Visualizing Data 38. Managing Alerts 39. Managing Templates 40. Handling External Scripts 41. Extending Zabbix 42. Integrating Zabbix Troubleshooting Being Part of the Community Upgrading and Troubleshooting Zabbix Bibliography
Index

External checks


All the check categories we explored before cover a very wide range of possible devices, but there's always that one which doesn't play well with standard monitoring protocols, can't have the agent installed, and is buggy in general. A real-life example would be a UPS that provides temperature information on the web interface, but does not provide this data over SNMP. Or maybe we would like to collect some information remotely that Zabbix does not support yet—for example, monitoring how much time an SSL certificate has until it expires.

In Zabbix, such information can be collected with external checks or external scripts. While user parameters are scripts run by the Zabbix agent, external check scripts are run directly by the Zabbix server.

First, we should figure out the command to find out the remaining certificate validity period. We have at least two options here:

  • Return the time when the certificate expires

  • Return 0 or 1 to identify that the certificate expires in some period...

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