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Learning Nagios 4.

In Detail One of the most important challenges in system monitoring is to detect and report any malfunctioning system or device as soon as possible, so that you as an administrator are aware of the problem before a user runs into one. Nagios is a powerful monitoring tool that enables organizations t...

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Detalles Bibliográficos
Clasificación:Libro Electrónico
Autor principal: Kocjan, Wojciech
Formato: Electrónico eBook
Idioma:Inglés
Publicado: Packt Publishing, 2014.
Temas:
Acceso en línea:Texto completo
Tabla de Contenidos:
  • 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.
  • 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.
  • 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.
  • 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.