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Home PHP Framework YII nagios using y streaming

nagios using y streaming

Apr 18, 2025 pm 10:09 PM
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Nagios uses YAML configuration files, including global settings, command definitions, event handlers, macros, host groups, contacts, hosts, and service configurations. To configure a YAML file, you need to add or modify the configuration section according to the specified structure, use indents and comments to improve readability, and finally save and reload the Nagios configuration.

nagios using y streaming

Nagios Using YAML Configuration Files

Nagios is a popular monitoring tool that uses YAML as the format of its configuration files. YAML (YAML Ain't Markup Language) is a human-readable format used to store data structures.

Structure of YAML file

Nagios' YAML configuration file usually contains the following parts:

  • globals: Global settings to configure the overall behavior of Nagios.
  • commands: Defines the details of the execution command, used for monitoring and checking.
  • event handlers: Specifies that the action is triggered when a specific event occurs.
  • macros: Store reusable variables to make configuration files more readable and maintainable.
  • host groups: group similar hosts together for easy management.
  • contacts: Defines the person or group that receives alarms and notifications.
  • hosts: Defines the host to be monitored and its monitoring settings.
  • services: Defines the service to be monitored on the host and its monitoring settings.

Configure YAML files

To configure the YAML file for Nagios, follow these steps:

  1. Open the Nagios configuration file (usually /etc/nagios/nagios.yml ) using a text editor.
  2. Add or modify the required configuration parts according to the above structure.
  3. Use indents and comments to improve the readability of configuration files.
  4. Save and reload the Nagios configuration ( systemctl reload nagios ).

Sample YAML configuration fragment

Here is a sample YAML configuration snippet that shows how to define a host and its services:

 <code class="yaml">hosts: webserver: address: 192.168.1.10 groups: ['webservers'] dbserver: address: 192.168.1.20 groups: ['databases'] services: webserver: host: webserver check_command: check_http interval: 300 dbserver: host: dbserver check_command: check_mysql interval: 120</code>

In the above example, webserver and dbserver are the hosts to be monitored, check_http and check_mysql are commands used to perform monitoring checks, interval specifies the frequency of checks.

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