Zenoss Core 3.x Network and System Monitoring电子书

Zenoss Core 3.x Network and System Monitoring

Table of Contents

Zenoss Core 3.x Network and System Monitoring

Credits

About the Author

About the Reviewers

www.PacktPub.com

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Why Subscribe?

Free Access for Packt account holders

Preface

What this book covers

What you need for this book

Who this book is for

Conventions

Reader feedback

Customer support

Downloading the example code

Errata

Piracy

Questions

1. Network and System Monitoring with Zenoss Core

Device management

Availability and performance monitors

Event management

Plugin architecture

System reports

Custom device reports

System architecture

User layer

Data layer

Collection layer

Device management daemons

Performance and availability daemons

Event daemons

Summary

2. Discovering Devices

Zenoss Core installation

Preparing devices for monitoring

SNMP

SNMP versions

Configuring SNMP on Linux

Configuring SNMP and WMI on Windows

Zenoss Plugins

Installing Zenoss Plugins

Port scan

Opening monitoring-specific ports

Configuring Linux firewalls

Configuring Windows firewall

Zenoss Core setup wizard

Step 1: Setting up users

Step 2: Specify or discover devices to monitor

Adding devices

Manually find devices

Autodiscover devices

Our device inventory: A job well done

Reviewing device creation job log

Adding a single device

Entering device attributes

Importing a list of devices with zenbatchload

Command line discovery with zendisc

Summary

3. Device Setup and Administration

Organizing devices in Zenoss Core

Locations

Systems and Groups

Organizer details

Editing organizers

Moving organizers

Classes

Viewing a list of device classes

Assigning devices to a class

Modeling devices

Modeler plugins gather device information

Assigning modeler plugins

Troubleshooting data collection

Troubleshooting SNMP problems

Running snmpwalk

Is the SNMP daemon running on Linux servers?

SNMP problems on Windows

Troubleshooting WMI problems

Zeneventlog—unable to connect to Windows

Zenoss Core does not collect WMI data

Troubleshooting Zenoss Plugins

A class of its own

Device administration

Locking or unlocking a device

Renaming a device

Resetting the IP address

Push changes

Deleting devices

zProperties defined

Summary

4. Monitor Status and Performance

Collectors collect

Configuring the performance collector

Monitoring components

Interfaces

OS Processes

Add Process

Viewing or editing the process details

Configuration properties

Monitoring OS Processes

Services

Enable monitoring for a service

Configuration properties

Monitoring exceptions for services

Interactively monitor IP services

File Systems

Ignoring File Systems with zProperties

Network Routes

Networks

Add Components

Viewing and editing component details for a device

Performance Graphs

Interface template

Performance Graphs

Working with graphs

Monitoring performance thresholds

Summary

5. Custom Monitoring Templates

Monitoring Templates

Monitoring SNMP data sources

Overriding templates

Editing the /Server/Linux template

Find OIDs for SNMP monitoring

Monitoring with Nagios plugins

Working with Nagios plugins

Nagios return codes

Nagios performance data

Adding the Nagios plugin to Monitoring Templates

Adding a Data Source

Adding a Data Point

RRDtool Data Point configurations

Defining monitoring thresholds

Graph definitions

RRDtool Graph Point configurations

Binding templates to the device class

Adding a device to monitor using the Bogo template

Monitoring with Cacti plugins

Data Source parser

Summary

6. Core Event Management

Event Console

Event severities defined

Event statuses defined

Acknowledging an event

Viewing an event log

Events consoles are everywhere

Closing events

Displaying historical events

Event Manager

Event Fields

Event commands

Creating a command

Working with events

Simulating an event

Clearing the event

Event mapping

Event Classes

Event class zProperties

Mapping an event

Event mapping sequence

Event de-duplication

Turning off event de-duplication

Summary

7. Collecting Events

Routing syslog messages to Zenoss Core

Collecting Cisco router syslogs

Testing syslog configuration with Logger

Monitoring Windows event logs

Windows event log severities

Testing the event log configuration with Eventcreate

Incorporating event reporting into third-party scripts via zensendevent

Simple backup script with zensendevent

Creating events by e-mail

Zenmail

Zenpop3

Configuring alerting rules

Alert filters

Alert escalations

Schedule

Alert messages

Event transformations

Some event transformation examples

Programming in zendmd, an interactive shell

Summary

8. Settings and Administration

Managing Zenoss Core users

Administered Objects

Event Views

Groups

Creating custom User Commands

Adding a User Command

System settings

Configuring Zenoss Core's Monitoring Dashboard

Locations portlet with Google Maps

Device Issues portlet

Zenoss Issues portlet

Watch List portlet

Root Organizers portlet

Production States portlet

Portlet permissions

Meet the Zenoss Daemons

Maintenance Windows

Adding MIBs

Backing up and restoring monitoring data

Automating backups with zenbackup

Restoring backups with zenrestore

Updating Zenoss Core

Summary

9. Extending Zenoss Core with ZenPacks

Installing community ZenPacks

Monitoring websites with HttpMonitor

Viewing a list of installed ZenPack objects

Configuring HttpMonitor

Configuring HttpMonitor settings

Creating a ZenPack

Adding files and objects to the ZenPack

Adding a new data source to the monitoring template

Adding objects to a ZenPack

Packaging the ZenPack

ZenPack development mode

Developer resources

Summary

10. Reviewing Built-in Reports

Report overview

Device Reports

New Devices

Device Changes

Model Collection Age

Software Inventory

Manufacturers and Products

SNMP Status Issues

Ping Status Issues

All Devices

All Monitored Components

Event Reports

All Event Classes

All Event Mappings

All Heartbeats

Graph Reports

Multi-Graph Reports

Adding Collections

Adding Graph Definitions

Adding Graph Groups

Performance Reports

Aggregate Report

Availability

CPU Utilization

Filesystem Utilization

Interface Utilization

Memory Utilization

Threshold Summary

User Reports

Notification Schedules

Summary

11. Writing Custom Device Reports

Creating Custom Device Reports

Custom Device Report fields

Building Custom Device Report queries

Using zendmd to test report queries

Exploring data in Zope

Using Python expressions in the columns

Convenience functions

convToUnits

Scheduling reports for e-mail delivery

Sending a CSV report

Scheduling a cron job

Summary

A. Event Attributes

B. Device Attributes

C. Example snmpd.conf

Index