Download Building a Monitoring Infrastructure with Nagios by David Josephsen PDF

By David Josephsen

ISBN-10: 0130351180

ISBN-13: 9780130351180

Build real-world, end-to-end community tracking ideas with Nagios


This is the definitive consultant to construction inexpensive, enterprise-strength tracking infrastructures with Nagios, the world’s major open resource tracking device. community tracking expert David Josephsen is going a ways past the fundamentals, demonstrating tips to use third-party instruments and plug-ins to resolve the explicit difficulties on your distinct surroundings. Josephsen introduces Nagios “from the floor up,” displaying easy methods to plan for fulfillment and leverage today’s most beneficial tracking most sensible practices. Then, utilizing useful examples, genuine directives, and dealing code, Josephsen provides distinct tracking ideas for home windows, Unix, Linux, community apparatus, and different structures and units. You’ll locate thorough discussions of complex subject matters, together with using information visualization to resolve advanced tracking difficulties. this is often additionally the 1st Nagios publication with entire insurance of utilizing Nagios occasion dealer to remodel and expand Nagios.

  • Understand how Nagios works, intensive: the host and repair paradigm, plug-ins, scheduling, and notification
  • Configure Nagios effectively: config documents, templates, timeperiods, contacts, hosts, prone, escalations, dependencies, and extra
  • Streamline deployment with scripting templates, automatic discovery, and Nagios GUI instruments
  • Use plug-ins and instruments to systematically video display the units and systems you must video display, how you have to video display them
  • Establish front-ends, visible dashboards, and administration interfaces with MRTG and RRDTool
  • Build new C-based Nagios occasion dealer (NEB) modules, one step at a time
  • Contains easy-to-understand code listings in Unix shell, C, and Perl


If you’re liable for platforms tracking infrastructure in any association, huge or small, this e-book can help you in achieving the implications you want–right from the beginning.


David Josephsen is Senior platforms Engineer at DBG, Inc., the place he continues a suite of geographically dispersed server farms. He has greater than a decade of hands-on adventure with Unix platforms, routers, firewalls, and cargo balancers in aid of advanced, high-volume networks. Josephsen’s certifications comprise CISSP, CCNA, CCDA, and MCSE. His co-authored paintings on Bayesian junk mail filtering earned a top Paper award at USENIX LISA 2004. He has been released in either ;login and Sysadmin magazines on issues when it comes to protection, structures tracking, and junk mail mitigation.


Introduction bankruptcy 1 top Practices bankruptcy 2 thought of Operations bankruptcy three fitting Nagios bankruptcy four Configuring Nagios bankruptcy five Bootstrapping the Configs bankruptcy 6 gazing bankruptcy 7 Visualization bankruptcy eight Nagios occasion dealer Interface APPENDIX A Configure innovations APPENDIX B nagios.cfg and cgi.cfg APPENDIX C Command-Line suggestions Index


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Construct real-world, end-to-end community tracking strategies with Nagios   this can be the definitive advisor to construction inexpensive, enterprise-strength tracking infrastructures with Nagios, the world’s top open resource tracking software. community tracking professional David Josephsen is going a ways past the fundamentals, demonstrating how you can use third-party instruments and plug-ins to unravel the categorical difficulties on your distinctive atmosphere.

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Extra resources for Building a Monitoring Infrastructure with Nagios

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However, Nagios can be configured to send notifications for unreachable hosts if you want it to. The second way Nagios can track dependencies between hosts is with dependency definitions. These definitions work for both hosts and services and are used to track more subtle 17 The Host and Service Paradigm dependency relationships between different hosts, or services running on different hosts. A good example of this type of dependency tracking is a web proxy. 1, the firewalls are configured such that only one host on the secure network is allowed to connect to the Web server’s port 80.

The daemon does so, providing the client output and an exit code, which the client, in turn, passes to Nagios. Any program can be securely executed on the remote server by NRPE, if it’s defined in the daemon’s configuration file. X509 certificates can be used to authenticate the client to the daemon and encrypt the transmission. NRPE is completely cross platform, so it can handle remote execution for Windows and UNIX clients of all flavors. ” Scheduling Now that you have a good understanding of what plugins are and how they work, you need to know how Nagios goes about scheduling them.

3. Minimize the number of dependencies between the monitoring system and the most critical systems. No single ideal solution exists, so these three goals need to be weighed against each other for each environment. The end result is always a compromise, so it’s important to spend some time diagramming out a few different architectures and considering the consequences of each. 2 is a simple example of a network that should be familiar to any sysadmin. Today, most private networks that provide Internet-facing services have at least three segments: the inside, the outside, and the demilitarized zone (DMZ).

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Building a Monitoring Infrastructure with Nagios by David Josephsen

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