---
title: Registering Nagios Manager
slug: en/registering-nagios-manager
description: Learn how to register a Nagios manager in this document, which provides an overview of this powerful network monitoring tool. Discover the steps required to set up and maintain managers responsible for monitoring configuration items and event occurrences.
docTags: 
createdAt: 2021-10-27T20:01:43.000Z
---

****<font color="#3b9f0f">**Nagios** </font>is a **network monitoring tool**. It can monitor both hosts and services,
&#x20;warning when happening the problems and also when the problems are solved. The
&#x20;Hosts are equipment and Services are resources offered by the equipment.

The objective of this functionality is to <font color="#3b9f0f">**register and maintain the managers that
 will be responsible for monitoring the configuration items and event occurrences**</font>
&#x20;captured from the Nagios. It allows the user to inform when the Manager will be
&#x20;processed, which configuration items it will manage, and the actions to be taken
&#x20;automatically.

This feature provides a variety of actions, such as <font color="#3b9f0f">**including, changing, and
 deleting a Nagios manager**</font>.

## Before getting started

To register Nagios manager, it is necessary:

- [x] To register previously the <font color="#3b9f0f">**CITSmart**
   </font>**Event Monitor connection, time, occurrence category, automatic action**; and&#x20;
- [x] The
  &#x20;<font color="#3b9f0f">**CITSmart**
   </font>**Inventory connection**.

## Procedure

1. Access the functionality through the main menu `Processes > Event Management  > Nagios > Nagios Manager`;
2. Complete the fields available in each area;
3. In the parent configuration item area, it is possible to register the CI in <font color="#3b9f0f">**CITSmart**
    </font>with the data of the Host selected. Click on "**Create CI**". Remember that this registry can only be made if there is no CI with the same Host identification:
   - Enter the data of the child configuration item;
   - Conduct a relationship between the Host service and the child configuration item. Each hosting service must be related to its respective child configuration item.
4. Click on "**Save**".