4. Monitoring with Zabbix | Zabbix Cookbook

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Zabbix Cookbook

By : Patrik Uytterhoeven

4.5 (4)

Zabbix Cookbook

4.5 (4)

By: Patrik Uytterhoeven

Overview of this book

If you have some experience with Zabbix and wish to take your infrastructure to the next level, then this book is for you. Before you start with Zabbix, or monitoring in general, it is best to have some basic Linux knowledge and a good understanding of snmp, virtualization, and scripting.

Preface

Preface

What this book covers

What you need for this book

Who this book is for

Conventions

Reader feedback

Free Chapter

1. Zabbix Configuration

1. Zabbix Configuration

Introduction

Server installation and configuration

Agent installation and configuration

Frontend installation and configuration

Installing Zabbix from source

Installing the server in a distributed setup

2. Getting Around in Zabbix

2. Getting Around in Zabbix

Introduction

Exploring the frontend

Zabbix definitions

Acknowledging triggers

Zabbix architecture

Getting an overview of the latest data

3. Groups, Users, and Permissions

3. Groups, Users, and Permissions

Introduction

Creating hosts

Creating host groups

Creating users

Creating user groups

General administration

Authenticating users

4. Monitoring with Zabbix

4. Monitoring with Zabbix

Introduction

Active agents

Passive agents

Extending agents

SNMP checks

Internal checks

Zabbix trapper

IPMI checks

JMX checks

Aggregate checks

External checks

Database monitoring

Checks with SSH

Checks with Telnet

Calculated checks

Building web scenarios

Monitoring web scenarios

Some advanced monitoring tricks

Autoinventory

5. Testing with Triggers in Zabbix

5. Testing with Triggers in Zabbix

Introduction

Creating triggers

Testing log files

Trigger constructor

More advanced triggers

Testing our trigger expressions

6. Working with Templates

6. Working with Templates

Introduction

Creating templates

Importing and exporting templates

Linking templates

Nesting templates

Macros in templates

7. Data Visualization and Reporting in Zabbix

7. Data Visualization and Reporting in Zabbix

Introduction

Creating graphs

Creating screens

Creating slideshows

Building maps in Zabbix

Creating reports

Generating SLA reports

8. Monitoring VMware and Proxies

8. Monitoring VMware and Proxies

Introduction

Configuring Zabbix for VMware

Monitoring VMware

Installing a proxy

Setting up an active proxy

Setting up a passive proxy

Monitoring hosts through a proxy

Monitoring the proxy

9. Autodiscovery

9. Autodiscovery

Introduction

Configuring network discovery

Automation after discovery

Active agent autoregistration

Low-level discovery

10. Zabbix Maintenance and API

10. Zabbix Maintenance and API

Introduction

Maintenance periods

Monitoring Zabbix

Backups

Avoiding performance issues

Zabbix API

API by example

A. Upgrading and Troubleshooting Zabbix

A. Upgrading and Troubleshooting Zabbix

Introduction

Some guidelines to upgrade Zabbix

Upgrading your Zabbix installation

Troubleshooting in Zabbix

Zabbix best practices

What to expect in Zabbix 3.0

Zabbix community

Index

Index

Calculated checks

Calculated items are items calculated based on data of one or more already existing items in the Zabbix database. All calculations are handled by the Zabbix server and will never be calculated on the agent or the proxy.

Getting ready

If you want to do this exercise, then you need a Zabbix server that is properly setup and linked to the standard Linux template. Of course, you can alter the items that we have used and use your own if you like.

How to do it…

The first step is to go to the Zabbix server and create a new item on the host or in a template.
Give the item a name, something such as % free on root.
Select the Type, Calculated.
Fill in the Key with a unique name, example free.root.

In the field Formula, we add:

100*last("vfs.fs.size[/,free]",0)/last("vfs.fs.size[/,total ]",0)

Select Numeric (float) as Type of information.
And in the Units field, place %.
Those are the options we need to build our calculated item, so you can save it or give it an application first.
Next we can...

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