Learning Nagios 4 learn how to set up Nagios 4 in order to monitor your systems efficiently

This book will introduce Nagios to readers who are interested in monitoring their systems. All the concepts in the book are explained in a simplified manner, presented in an easy-to-understand language with lots of tips, tricks, and illustrations. This book is great for system administrators interes...

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Bibliographic Details
Main Author: Kocjan, Wojciech
Format: eBook
Language:English
Published: Birmingham, UK Packt Pub. 2014
Edition:2nd ed
Series:Community experience distilled
Subjects:
Online Access:
Collection: O'Reilly - Collection details see MPG.ReNa
Table of Contents:
  • Checking the disk spaceTesting the free space for remote shares; Monitoring the resources; Checking the system load; Checking the processes; Monitoring the logged-in users; Monitoring other operations; Checking for updates with APT; Monitoring the UPS status; Gathering information from the lm-sensors; Using the dummy check plugin; Manipulating other plugins' output; Additional and third party plugins; Monitoring the network software; Using third-party plugins; Summary; Chapter 5: Advanced Configuration; Creating maintainable configurations; Configuration the file structure
  • Cover; Copyright; Credits; About the Author; About the Reviewers; www.PacktPub.com; Table of Contents; Preface; Chapter 1: Introducing Nagios; Understanding the basics of Nagios; The benefits of monitoring resources; Main features; Soft and hard states; What's new in Nagios 4.0; Summary; Chapter 2: Installing Nagios 4; Installation; Upgrading from previous versions; Installing prerequisites; Obtaining Nagios; Setting up users and groups; Compiling and installing Nagios; Compiling and installing Nagios plugins; Setting up Nagios as a system service
  • Understanding how checks workMonitoring using the standard network plugins; Testing the connection to a remote host; Testing the connectivity using TCP and UDP; Monitoring the e-mail servers; Checking the POP3 and IMAP servers; Testing the SMTP protocol; Monitoring network services; Checking the FTP server; Verifying the DHCP protocol; Monitoring the Nagios process; Testing the websites; Monitoring the database systems; Checking MySQL; Checking PostgreSQL; Checking Oracle; Checking other databases; Monitoring the storage space; Checking the swap space; Monitoring disk status using SMART
  • Resolving error with script for Nagios system serviceConfiguring Nagios; Creating the main configuration file; Understanding macro definitions; Configuring hosts; Configuring host groups; Configuring services; Configuring service groups; Configuring commands; Configuring time periods; Configuring contacts; Configuring contact groups; Verifying the configuration; Understanding notifications; Templates and object inheritance; Summary; Chapter 3: Using the Nagios Web Interface; Setting up the web interface; Configuring the web server; Creating an administrative user for Nagios
  • Accessing the web interfaceTroubleshooting; Using the web interface; Checking the tactical overview; Viewing the status map; Managing hosts; Checking statuses; Viewing host information; Managing services; Checking statuses; Viewing service information; Managing downtimes; Checking downtimes statuses; Scheduling downtimes; Managing comments; Nagios information; Viewing process Information; Checking performance information; Generating reports; Changing the look of the Nagios web interface; Third-party Nagios web interfaces; Summary; Chapter 4: Using the Nagios Plugins