• Table of contents
• Documentation
  • Installation
    • Prerequisites
    • Install Nagios Core and Nagios Plugins
    • Install Addons
    • Install NRPE - optional
  • Configuration
  • Administration
    • Add Host
    • Add Service
    • Add Contact
  • Housekeeping

Documentation¶

The official documentation.

Installation¶

Prerequisites¶

Requires:

• must have root access
• Apache HTTP installed and configured
• PHP module installed and configured
• GCC compiler

You can install the above missing components using yum or up2date.

Install Nagios Core and Nagios Plugins¶

Refer to the Nagios Quickstart Installation Guides section of Nagios Core in the Nagios - Documentation for the installation steps.

Install Addons¶

See Nagios - Addons.

Install NRPE - optional¶

Install this add-on only if there is a need to execute Nagios Plugins on remote *nix machines.

Refer to the NRPE in the Nagios - Documentation for the installation steps.

Configuration¶

One should obtain the pre-configured nagios conf files from the repository.

1. obtain the latest release version and the file usually pack and compress as prod.etc.tgz
2. login as nagios user
3. create a temp folder to store the file
   

   nagios$ mkdir temp_etc
   

4. cd to the temp folder
   

   nagios$ cd temp_etc
   

5. copy the latest release configuration file
   

   [nagios temp_etc]$ cp prod.etc.tgz .
   

6. extract the file
   

   [nagios temp_etc]$ tar -xvzf prod.etc.tgz
   

7. backup the existing configuration folder
   

   [nagios temp_etc]$ cp -R /usr/local/nagios/etc /usr/local/nagios/etc.bak
   

8. copy the new configuration folder, etc to /usr/local/nagios/libexec
   

   [nagios temp_etc]$ cp -R etc /usr/local/nagios/libexec
   

Administration¶

Describes how to administer Nagios such as add monitoring host/services.

Add Host¶

Define a physical server, workstation, device which resides on your network.

Click here for the guide.

Add Service¶

Define a service which runs on a host. A service could be HTTP, number of logged in user in a physical server and etc.

Click here for the guide.

Add Contact¶

Define a contact who should be contacted in the event of a problem. A event could be warning, critical, recovery, unknown and etc.

Click here for the guide.

Housekeeping¶