Cacti Beginner's Guide（Second Edition）
Thomas Urban更新时间：2021-07-02 20:17:08
最新章节：Chapter 14 — Multiple Poller with Cacti封面
版权信息
Credits
About the Author
About the Reviewer
www.PacktPub.com
Why subscribe?
Customer Feedback
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
Downloading the color images of this book
Errata
Piracy
Questions
Installing Cacti
Preparing the system - basic prerequisites
Web server
PHP
MySQL database
NET-SNMP package
Installing Cacti on a CentOS 7 system
Preparing the system
Time for action - installing the missing packages and preparing the system
What just happened?
Downloading and extracting Cacti
Time for action - downloading Cacti
What just happened?
Creating the database
Time for action - creating the database
What just happened?
Configuring Cacti
Time for action - configuring Cacti
What just happened?
Creating the poller cron entry and Cacti's system user
Time for action - creating the poller's cron entry and Cacti's system account
What just happened?
Installing the Spine poller
Time for action - installing Spine
What just happened?
Differences between source and APT/yum installations
Have a go hero - remote server for database hosting
Installing Cacti on a Windows system
The community-built Windows installer
Time for action - starting the Windows setup
What just happened?
Installing the Spine poller under Windows
Upgrading Cacti
Time for action - upgrading Cacti
What just happened?
Using Cacti for the first time
Time for action - configuring Cacti
What just happened?
The Cacti web interface explained
The Console tab
Create section
Management section
Data Collection section
Templates section
Automation section
Presets section
Import/Export section
Configuration section
Utilities section
The graphs tab
The nectar tab
The clog tab
Before we continue
Pop quiz - a few questions about Chapter 1
Summary
Using Graphs to Monitor Networks and Devices
An introduction to Cacti graphs and RRDtool
Creating graphs with RRDtool
Basic RRDtool graph creation
Advanced RRDtool graph creation
Adding a label and title to the graph
Adding a legend to the graph
Adding a threshold line to the graph
Adding threshold breaches to the graph
Variable definition (VDEF)
Further reading
Have a go hero - create your own visual warnings
Adding devices to Cacti
Creating a new site
Time for action - creating a new site in Cacti
Creating a device
Time for action - creating a new device in Cacti
Selecting host templates for the device
Time for action - adding a host template to the device
Adding graphs to the device
Time for action - adding graphs to the device
Adding interface graphs to a device
Time for action - adding interface graphs to a device
Adding devices to the Cacti tree
Creating a tree
Time for action - creating a Cacti tree
Sub-tree items
Time for action - adding a sub-tree
Adding the device to the tree
Time for action - adding a device to the Cacti tree
Before we continue
Pop quiz - a few questions about Chapter 2
Summary
Creating and Using Templates
An introduction to templates
Data Source templates
Data input methods
Data queries
Graph templates
Device templates
Defining a data source template
Time for action - defining a data source template
What just happened?
Have a go hero - create your own TCP connections template
Defining a graph template
CDEF definition
Time for action - defining a CDEF in Cacti
Defining the graph template
Time for action - defining the graph template
Adding the threshold line
Time for action - Adding new graph template items
Adding the green yellow and red areas
Time for action - adding the color areas
Adding a legend to the graph
Time for action - adding a legend
Back to the basics - rrdtool graph command
Defining a device template
Time for action - defining a host template
Assigning a host template to a device
Importing/exporting templates
Importing templates
Time for action - importing a template
Exporting templates
Time for action - exporting a template
The template repository
Before we continue
Pop quiz - a few questions about Chapter 3
Summary
User Management
An introduction to Cacti user management
Users
Groups
Permissions
Creating a user
Time for action - creating the first Cacti user
General User Settings
Graph Options
Login Options
Authentication Realm
Permissions tabs
Permissions
Normal User permissions
Template Editor
General Administration
System Administration
External Link Permissions
Plugin Permissions
Group Membership
Graph Permissions
Device Permissions
Template Permissions
Tree Permissions
User Settings
Time for action - setting general permissions
Tree Permissions
Time for action - setting Tree Permissions
User Groups
Time for action - creating a User Group for Customer A
The template user
Time for action - installing the missing packages
Copying permissions - the Batch Copy mode
Time for action - Batch Copy
Integrate LDAP/Active Directory authentication
External User management
Time for action - setting up Active Directory authentication
Managing users with the Cacti CLI
Importing a list of users
Time for action - importing users from the CLI
Input validation
Checking the existence of the template user
Reading in the import file
Before we continue
Pop quiz - a few questions about Chapter 4
Summary
Data Management
An introduction to Cacti data management
Data input methods
Data queries
Creating data input methods
Preparation - creating the script
Gathering the data
Preparing the data for output
Installation of the script
Modifying the secure log permissions
Time for action - creating a data input method - step 1
Time for action - creating a data input method - step 2
The data template
Creating data queries
Building the XML data file
XML header
XML input
XML output
Installing the XML file
Creating the data query within Cacti
Time for action - creating a data query - step 1
Time for action - creating a data query - step 2
Creating a remote SSH data input method
Preparation
The remote script
The local script
Input variables
The SSH command execution
Preparing the data
SSH public key authentication
Time for action - create SSH keys with ssh-keygen tool
Creating the data input method
Time for action - creating the data input method
Creating the data template
Creating the graph template
Adding the graph to the device
Alternative methods
Have a go hero - remote command execution using SNMP
Before we continue
Pop quiz - a few questions about Chapter 5
Summary
Cacti Maintenance
An introduction to Cacti maintenance
Database
RRD files
The Cacti directory structure
The cache directory
The cli directory
The docs directory
The include directory
The install directory
The lib directory
The locales directory
The log directory
The mibs directory
The plugin directory
The resource directory
The rra directory
The scripts directory
Backup and restore procedures
The MySQL/MariaDB database
Time for action - backup your Cacti database
What just happened?
Enhancing the database backup
Automatic file naming
Remove old backup files
The database backup
Compress the backup
The whole script
The Cacti files
Building the backup file list
Time for action - backup your Cacti files
Enhancing the database backup script
Time for action - enhancing the backup script
What just happened?
Adding remote transfer with SCP
Time for action - Adding SCP to the backup script
What just happened?
Creating the cronjob - automating the backup
Time for action - creating a cronjob
What just happened?
Restoring from a backup
Restoring the Cacti database
Time for action - Restoring the Cacti database
What just happened?
Restoring the Cacti files
Restoring all Cacti files
Restoring a single file from the backup
Log file management
Time for action - configuring logrotate
What just happened?
Cacti maintenance
List RRD files with no associated host
Time for action - finding orphaned RRD files
What just happened?
A short overview of the Cacti CLI functionality
Repairing templates
Repairing the database
Pop quiz - a few questions about Chapter 6
Summary
Network and Server Monitoring
An introduction to network and server monitoring
Network devices
VMware ESX
Linux server
Windows WMI monitoring
Monitoring a network device
Configuring SNMP access on Cisco Switch
Time for action - setup SNMP on Cisco devices
What just happened?
Adding Cisco Switch to Cacti
Time for action - adding a Cisco Switch to Cacti
What just happened?
Configuring SNMP access on a Cisco PIX firewall
Time for action - setting up SNMP access on Cisco PIX
What just happened?
Adding Cisco PIX firewall to Cacti
Time for action - adding a Cisco PIX firewall to Cacti
What just happened?
Monitoring VMware ESX servers
Preparing the SNMP access for VMware ESXi 6/6.5
Time for action - enabling SSH access on a ESXi 6/6.5 server
What just happened?
Enabling the SNMP service on a VMware ESXi 6/6.5 server
Time for action - enabling the SNMP service on a VMware ESXi host
What just happened?
Adding VMware ESX servers to Cacti
Time for action - adding a VMware ESX host to Cacti
Windows monitoring
Windows SNMP setup
Time for action - enabling the SNMP server feature
What just happened?
Configuration of the Windows SNMP service
Time for action - configuring the Windows SNMP service
WMI setup
Time for action - setting up a Windows WMI user
What just happened?
Installing the CactiWMI add-on
Installing the wmi.php Cacti interface
Time for action - installing the CactiWMI add-on - Part 1
Installing the wmic command
Time for action - installing the CactiWMI add-on - Part 2
What just happened?
Performance measurement with CactiWMI
Time for action - measuring performance with CactiWMI
What just happened?
Linux monitoring
Linux SNMP setup
Time for action - enabling SNMP on a Linux server
What just happened?
Pop quiz - a few questions about Chapter 7
Summary
Plugin Architecture
Introduction to the plugin architecture
Why plugins?
Plugin features
Common plugins
MAC Track plugin
Network Weathermap
Thold
Configuring the plugin architecture
Time for action - configuring the plugin architecture
What just happened?
Downloading and installing plugins
Plugin architecture (PIA) directory structure
Pre-Cacti 1.x plugins
The plugin repository
The Graph Export (gexport) plugin
Time for action - installing the gexport plugin
What just happened?
Removing a plugin
Time for action - removing the gexport plugin
What just happened?
Updating a plugin
Adding plugin permissions
Pop quiz - a few questions about Chapter 8
Summary
Plugins
Plugin design
Plugin hooks
Plugin settings
The cycle_config_settings function
Displaying plugin data within Cacti
The cycle_show_tab function
Commonly used plugins
Creating a new plugin
File structure
Concept and design
PIA hooks
The tree_after hook
The draw_navigation_text hook
The config_arrays hook
The config_settings hook
The config_form hook
The api_device_save hook
The plugin setup
The plugin_cbEnhancedInfo_install function
Time for action - adding the realm permission functions
What just happened?
The cbEnhancedInfo_draw_navigation_text function
The cbEnhancedInfo_config_form function
The cbEnhancedInfo_api_device_save function
The cbEnhancedInfo_setup_table_new function
Time for action - adding additional fields to the host table
What just happened?
The cbEnhancedInfo_config_settings function
The cbEnhancedInfo_config_arrays function
Data presentation
Retrieving data from the database
Time for action - retrieving data from the database
What just happened?
Presenting data on the tree view page
Time for action - presenting data on the tree view page
What just happened?
Creating the table list web page
The action section
Deleting data
What just happened?
The data retrieval section
Time for action - sorting and retrieving data
What just happened?
Data presentation
Time for action - presenting the data
What just happened?
Creating the add items form
The form_display function
The data retrieval section
The data presentation section
The form_save function
Time for action - retrieving data from the form post
What just happened?
Time for action - creating a new database item
What just happened?
Time for action - updating an existing item
What just happened?
Installing the plugin
Publishing
Pop Quiz - A few questions about Chapter 9
Summary
Threshold Monitoring with Thold
Threshold monitoring
Thold
Installing Thold
Downloading and installing Thold
Time for action - installing Thold
What just happened?
Configuring Thold
General options
Default alerting options
Default email options
Default baseline options
Syslog and SNMP notification
Using Thold
Assigning permissions and setting up an email address
Time for action - giving permission to a user
What just happened?
Creating a notification list
Time for action - creating a notification list
What just happened?
Creating a threshold
Time for action - creating your first threshold - Part 1
What just happened?
The threshold creation page
Template and General Settings section
Threshold setup section
Other Settings section
Time for action - creating your first threshold - Part 2
Testing the threshold
Time for action - creating an artificial load
Viewing threshold breaches
Time for action - viewing breached thresholds
What just happened?
Creating threshold templates
Time for action - creating your first threshold template
What just happened?
Assigning threshold templates
Time for action - assigning a threshold template
What just happened?
Thold daemon
Time for action - enabling the thold daemon
What just happened?
Pop quiz - a few questions about Chapter 10
Summary
Enterprise Reporting
Overview of Nectar and CereusReporting
Nectar
CereusReporting
Nectar
Report generation
Time for action - create your first Nectar report
What just happened?
Time for action - adding report items
What just happened?
CereusReporting
Installation
Time for action – installing CereusReporting
What just happened?
Plugin configuration
Time for action - configuring CereusReporting
What just happened?
Report generation
On-demand report generation
Time for action - creating an on-demand report
Pre-defined report generation
Time for action - creating a pre-defined report
Scheduling a report
Time for action - scheduling a pre-defined report
What just happened?
Report backup and restore
Time for action - backing up and restoring a pre-defined report
What just happened?
Report scheduling and polling performance
Time for action - setting up cron-based report generation
What just happened?
Advanced reporting features of CereusReporting
TCPDF report engine
Cacti Data Source Statistics (DSSTATS) reports
Availability reports
SmokePing reports
Report templates
Pop quiz - a few questions about Chapter 11
Summary
Cacti Automation for NOC
Overview of Cacti automation
The Cacti CLI
Users
Permissions
Trees
Devices
Graphs
Overview of automation
Trees
Graphs
Using the Cacti CLI
Adding permissions
Time for action - adding permissions to a user
What just happened?
Adding a Cacti tree
Time for action - adding a Cacti tree
What just happened?
Adding a device
Time for action - adding a single device to Cacti
What just happened?
Importing a list of devices into Cacti
Adding a graph to a device
Automation - true Cacti automation
Automation rules
Tree rules
Time for action - adding a new tree rule
Time for action - applying an automation rule to devices
Graph rules
Time for action - adding a graph rule
Further information
Pop quiz - Let's test your knowledge about Chapter 12
Summary
Migrating Cacti to a New Server
Overview of a Cacti migration
The Cacti files
The database
RRD files
The poller
Firewall/network settings
Differences between a 32-bit and 64-bit system
Cacti files
Enhancing the backup script
Time for action - enhancing your Cacti backup
What just happened?
Time for action - removing RRD files from your Cacti backup
What just happened?
The RRD files
Time for action - dumping and loading an RRD file
What just happened?
Enhancing the backup script to dump RRD data
Time for action - enhancing your Cacti backup
What just happened?
Creating the initial cacti backup
Time for action - creating the complete Cacti backup
What just happened?
Preparing the target system
Restoring the Cacti files
Time for action - restoring Cacti files
What just happened?
Restoring the database
Time for action - restoring the Cacti database
What just happened?
Restoring the RRD files
Time for action - restoring the RRD files
What just happened?
Updating the Cacti configuration
Time for action - updating the Cacti configuration
What just happened?
Further information
Pop quiz - let's test your knowledge
Summary
Multiple Poller with Cacti
Overview of the remote poller architecture
The master server
The remote poller server
The network
The database
Firewall/network settings
Setting up the master system
Time for action – configuring the master system
What just happened?
Setting up the remote poller system
Time for action – setting up the remote poller system
What just happened?
Prepare the remote poller
Time for action – setting up the remote poller system
What just happened?
Final configuration of the master poller
Time for action – setting up the remote poller system
What just happened?
Adding devices to the remote poller
Time for action – setting up the remote poller system
What just happened?
Further information
Pop quiz – let's test your knowledge about Chapter 14
Summary
Online Resources
Cacti website
Spine
Plugin architecture hook API reference
Cacti documentation
Cacti forum
Cacti GitHub page
Cacti bug reporting
Cacti GitHub plugin repository
Howie's stuff
RRDTool
Tobi Oetiker
RRDTool Cacti and time zones
Xing German Cacti group
LinkedIn Cacti group
NMID plugins and CereusReporting
Further Information
The Round Robin database tool
The RRD file architecture
SNMP - the Simple Network Management Protocol
The Management Information Base
SNMPv1
Security
SNMPv2/SNMPv2c
Security
SNMPv3
SNMP support in Cacti
MRTG - Multi Router Traffic Grapher
Where to get support?
Cacti forums
Mailing list
Commercial support
Pop Quiz Answers
Chapter 1 — Installing Cacti
Chapter 2 — Using Graphs to Monitor Networks and Devices
Chapter 3 — Creating and Using Templates
Chapter 4 — User Management
Chapter 5 — Data Management
Chapter 6 — Cacti Maintenance
Chapter 7 — Network and Server Monitoring
Chapter 8 — Plugin Architecture
Chapter 9 — Plugins
Chapter 10 — Threshold Monitoring with Thold
Chapter 11 — Enterprise Reporting
Chapter 12 — Cacti Automation for NOC
Chapter 13 — Migrating Cacti to a New Server
Chapter 14 — Multiple Poller with Cacti
更新时间：2021-07-02 20:17:08