Nagios Building Enterprise-Grade Monitoring Infrastructures for Systems and Networks

ISBN-10: 013313573X

ISBN-13: 9780133135732

Edition: 2nd 2013

Authors: David Josephsen
List price: $44.99
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Description: This is the definitive guide to building cost-effective, enterprise-strength monitoring infrastructures with the latest commercial and open source versions of Nagios, the world's leading monitoring toolset. World-renowned network monitoring expert David Josephsen covers the entire monitoring software stack, from SNMP to advanced visualization, treating Nagios as a specification language and foundation for building well-designed monitoring systems that can scale to serve the needs of any organization. Drawing on his unsurpassed enterprise monitoring experience, Josephsen demonstrates best practices throughout, and also reveals common mistakes, their consequences, and how to avoid them. He provides all the technical depth you need to implement and run Nagios successfully, including detailed coverage of creating agents programmatically in Windows and Unix, and an extensive discussion of using the C-based Nagios Event-Broker API: information available in no other book. Easy-to-adapt code listings accompany many topics. Coverage includes: * Nagios setup and configuration, including important new configuration parameters* New plug-ins, including check-MK, Op5 plug-ins for Windows and Unix, SFlow, and more* Scaling and performance optimization in large enterprise installs* Choosing the best new options for visualizing data (including Ganglia and Graphite)* Reviewing use cases so you can identify the applications that offer you the most value

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Book details

List price: $44.99
Edition: 2nd
Copyright year: 2013
Publisher: Prentice Hall PTR
Publication date: 4/1/2013
Binding: Paperback
Pages: 304
Size: 6.98" wide x 9.07" long x 0.67" tall
Weight: 1.100
Language: English

Foreword by the Nagios Creator, Ethan Galstad
Introduction
Do It Right the First Time
Why Nagios?
What's in This Book?
Who Should Read This Book?
End Notes
Best Practices
A Procedural Approach to Systems Monitoring
Processing and Overhead
Remote Versus Local Processing
Bandwidth Considerations
Network Location and Dependencies
Security
Silence Is Golden
Watching Ports Versus Watching Applications
Who's Watching the Watchers?
End Notes
Theory of Operations
The Host and Service Paradigm
Starting from Scratch
Hosts and Services
Interdependence
The Downside of Hosts and Services
Plug-ins
Exit Codes
Remote Execution
Scheduling
Check Interval and States
Distributing the Load
Reapers and Parallel Execution
Notification
Global Gotchas
Notification Options
Templates
Time Periods
Scheduled Downtime, Acknowledgments, and Escalations
I/O Interfaces Summarized
The Web Interface
Monitoring
Reporting
The External Command File
Performance Data
The Event Broker
End Notes
Installing Nagios
OS Support and the FHS
Installation Steps and Prerequisites
Installing Nagios
Configure
Make
Make Install
Installing the Plug-ins
Installing NRPE
End Notes
Configuring Nagios
Objects and Definitions
nagios.cfg
The CGI Config
Templates
Timeperiods
Commands
Contacts
Contactgroup
Hosts
Services
Hostgroups
Servicegroups
Escalations
Dependencies
Extended Information
Apache Configuration
GO!
End Notes
Bootstrapping the Nagios Config Files
Scripting Templates
Autodiscovery
Check_MK
Nagios XI
Autodiscovery Is Dead: Long Live Autodiscovery
NagiosQL
Watching: Monitoring Through the Nagios Plug-ins
Local Queries
Pings
Port Queries
Querying Multiple Ports
(More) Complex Service Checks
E2E Monitoring with Weblnject and Cucumber-Nagios
Watching Windows
The Windows Scripting Environment
COM and OLE
WMI
To WSH or Not to WSH
To VB or Not to VB
The Future of Windows Scripting
Getting Down to Business
NRPE
Check_NT
NSCP
Watching UNIX
NRPE
CPU
Memory
Disk
Check_MK
Watching "Other Stuff"
SNMP
Working with SNMP
Environmental Sensors
Standalone Sensors
LMSensors
IPMI
End Notes
Scaling Nagios
Tuning, Optimization, and Some Building Blocks
NRDP/NSCA
NDOUtils
Distributed Passive Checks with Secondary Nagios Daemons
Event Broker Modules: DNX, Merlin, and Mod Gearman
DNX
Mod Gearman
Op5 Merlin
Distributed Dashboards: Fusion, MNTOS, and MK-Multisite
Visualization
Nagios Performance Data
RRDTool: The Foundation
Enter RRDTool
RRD Data Types
Heartbeat and Step
Min and Max
Round Robin Archives
RRD Tool Create Syntax
RRD Tool Graph Mode
RPN
Data Visualization Strategies: A Tale of Three Networks
Suitcorp: Nagios, NagiosGraph, and Drraw
singularity.gov: Nagios and Ganglia
Massive Ginormic: Nagios, Logsurfer, Graphite, and Life After RRDTool
DIY Dashboards
Know What You're Doing
RRDTool Fetch Mode
The GD Graphics Library
NagVis
GraphViz
Sparklines
Force Directed Graphs with jsvis
End Notes
Nagios XI
What Is It?
How Does It Work?
What's in It for Me?
One Slick Interface
Integrated Time Series Data
Modularized Components
Enhanced Reporting and Advanced Visualization
Integrated Plug-ins and Configuration Wizards
Operational Improvements
How Do I Get My Hands on It?
The Nagios Event Broker Interface
Function References and Callbacks in C
The NEB Architecture
Implementing a Filesystem Interface Using NEB
DNX, a Real-World Example
Wrap Up
End Notes
Index
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