小說簡介: Zabbix4NetworkMonitoringistheperfectstartingpointformonitoringtheperformanceofyournetworkdevicesandapplicationswithZabbix.Evenifyou’veneverusedamonitoringsolutionbefore,thisbookwillgetyouupandrunningquickly.You’lllearntomonitormoresophisticatedoperationswitheaseandsoonfeelincompletecontrolofyournetwork,readytomeetanychallengesyoumightface.Startingwiththeinstallation,youwilldiscoverthenewfeaturesinZabbix4.0.YouwillthengettogripswithnativeZabbixagentsandSimpleNetworkManagementProtocol(SNMP)devices.YouwillalsoexploreZabbix'sintegratedfunctionalityformonitoringJavaapplicationserversandVMware.Thisbookalsocoversnotifications,permissionmanagement,systemmaintenance,andtroubleshooting,soyoucanbeconfidentthateverypotentialchallengeandtaskisunderyourcontrol.Ifyou'reworkingwithlargerenvironments,you'llalsobeabletofindoutmoreaboutdistributeddatacollectionusingZabbixproxies.Onceyou'reconfidentandreadytoputtheseconceptsintopractice,youwillunderstandhowtooptimizeandimproveperformance.TroubleshootingnetworkissuesisvitalforanyoneworkingwithZabbix,sothebookalsohelpsyouworkthroughanytechnicalsnagsandglitchesyoumightface.Bytheendofthisbook,youwillhavelearnedmoreadvancedtechniquestofine-tuneyoursystemandmakesureitisinahealthystate.
《Zabbix 4 Network Monitoring》是作家:Patrik Uytterhoeven Rihards Olups 所著的小說,Zabbix 4 Network Monitoring免費(fèi)全文閱讀為轉(zhuǎn)載作品,章節(jié)由網(wǎng)友發(fā)布。
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- coverpage
- Title Page
- Copyright and Credits
- Zabbix 4 Network Monitoring Third Edition
- About Packt
- Why subscribe?
- Packt.com
- Contributors
- About the authors
- About the reviewers
- Packt is searching for authors like you
- Preface
- Who this book is for
- What this book covers
- To get the most out of this book
- Download the example code files
- Download the color images
- Conventions used
- Get in touch
- Reviews
- Getting Started with Zabbix
- Technical requirements
- The first steps in monitoring
- Zabbix features and architecture
- Installation
- Choosing the version and repository
- Hardware requirements
- Installing from the packages
- Red Hat Enterprise Linux (RHEL)/CentOS
- EPEL
- The Zabbix repository
- Ubuntu/Debian
- Installing from source
- The server and agent
- Software requirements
- Downloading the source
- Compilation
- Dash or underscore
- Initial configuration
- Creating and populating the database
- Starting up
- Verifying the service's state
- The web frontend
- Prerequisites and setting up the environment
- Using the web frontend configuration wizard
- Step 1 – welcome
- Step 2 – PHP prerequisites
- Step 3 – database access
- Step 4 – Zabbix server details
- Step 5 – summary
- Step 6 – writing the configuration file
- Step 7 – finishing the wizard
- Step 8 – logging in
- Summary
- Questions
- Further reading
- Getting Your First Notification
- Exploring the frontend
- The user profile
- Monitoring quickstart
- Creating a host
- Creating an item
- Introducing simple graphs
- Creating triggers
- Configuring email parameters
- Creating an action
- Information flow in Zabbix
- Let's create some load
- Basic item configuration
- Monitoring categories
- Availability
- Performance
- Security
- Management
- Efficiency
- Item types
- How items can be monitored
- Using global search
- Summary
- Questions
- Further reading
- Monitoring with Zabbix Agents and Basic Protocols
- Using the Zabbix agent
- Passive items
- Cloning items
- Manually querying items
- Active items
- An active agent with multiple servers
- Supported items
- Choosing between active and passive items
- Item scheduling
- Simple checks
- Setting up ICMP checks
- Connecting all of the pieces
- Key parameter quoting
- Positional parameters for item names
- Using mass update
- Value mapping
- Units
- Custom intervals
- Flexible intervals
- Custom scheduling
- Copying items
- Summary
- Questions
- Further reading
- Monitoring SNMP Devices
- Using Net-SNMP
- Using SNMPv3 with Net-SNMP
- The engine ID
- Authentication encryption and context
- Adding new MIBs
- Polling SNMP items in Zabbix
- Translating SNMP OIDs
- Dynamic indexes
- SNMP bulk requests
- Receiving SNMP traps
- Using embedded Perl code
- Filtering values by received data
- Filtering values by originating host
- Debugging
- Handling the temporary file
- SNMP Trap Translator (SNMPTT)
- Using a custom script
- Filtering the traps
- Custom mapping
- Database lookups
- Summary
- Questions
- Further reading
- Managing Hosts Users and Permissions
- Hosts and host groups
- Host inventory
- Editing inventory data manually
- Populating inventory data automatically
- Host maintenance
- Creating maintenance periods
- Collecting data during maintenance
- Not collecting data during maintenance
- Maintenance period options
- One-time only maintenance
- Daily maintenance
- Weekly maintenance
- Monthly maintenance
- Ad hoc maintenance
- Users user groups and permissions
- Authentication methods
- Creating a user
- Creating user groups
- Permissions and maintenance
- Summary
- Questions
- Further reading
- Detecting Problems with Triggers
- Triggers
- The trigger-and-item relationship
- Trigger dependencies
- Constructing trigger expressions
- Preventing trigger flapping
- Checking for missing data
- Triggers that time out
- Triggers with adaptable thresholds
- Triggers with a limited period
- Relative thresholds or time shift
- Verifying system time
- Human-readable constants
- Customizing how triggers are displayed
- Triggering severities
- Triggering display options
- Event details
- Event generation and recovery expression
- Using event tags for correlation
- Summary
- Questions
- Further reading
- Acting upon Monitored Conditions
- Actions
- Limiting conditions when alerts are sent
- Additional action conditions
- Complex conditions
- Dependencies and actions
- Media limits for users
- Sending out notifications
- Using macros
- Sending recovery messages
- Escalating once a threshold is reached
- Runner analogy
- Using scripts as media
- Integrating with issue management systems
- Bugzilla
- Computer Associates Unicenter Service Desk Manager
- Atlassian JIRA
- Remote commands
- Global scripts
- Configuring global scripts
- Reusing global scripts in actions
- Summary
- Questions
- Further reading
- Simplifying Complex Configurations with Templates
- Creating a template
- Linking templates to hosts
- Handling default templates
- Changing the configuration in a template
- Macro usage
- User macros
- Using multiple templates
- Unlinking templates from hosts
- Using mass update
- Nested templates
- Summary
- Questions
- Further reading
- Visualizing Data with Screens and Slideshows
- Configuring and sharing dashboards
- Configuring the dashboard
- Sharing our dashboard
- Screens
- Dynamic screens
- Additional screen elements
- Templated screens
- Slide shows
- Showing data on a big display
- Challenges
- Non-interactive display
- Information overload
- Displaying a specific section automatically
- Summary
- Questions
- Further reading
- Advanced Item Monitoring
- Log file monitoring
- Monitoring a single file
- Filtering for specific strings
- Monitoring rotated files
- Alerting on log data
- Event tags
- Extracting part of the line
- Parsing timestamps
- Viewing log data
- Reusing data on the server
- Calculated items
- Quoting in calculated items
- Referencing items from multiple hosts
- Aggregate items
- Aggregating across multiple groups
- User parameters
- Just getting it to work
- Querying data that the Zabbix agent doesn't support
- Flexible user parameters
- Level of the details monitored
- Environment trap
- Things to remember about user parameters
- Wrapper scripts
- When not to use user parameters
- External checks
- Finding a certificate expiry time
- Determining certificate validity
- Sending in the data
- Using an agent daemon configuration file
- Sending values from a file
- Sending timestamped values
- SSH and Telnet items
- SSH items
- Telnet items
- Custom modules
- Value preprocessing and dependent items
- Summary
- Questions
- Further reading
- Automating Configuration
- LLD
- Network interface discovery
- Automatically creating calculated items
- Automatically creating triggers
- Automatically creating graphs
- Filtering discovery results
- Filesystem discovery
- Introducing the LLD JSON format
- Including discovered graphs in screens
- Custom thresholds with user macro context
- CPU discovery
- SNMP discovery
- Creating custom LLD rules
- Reimplementing CPU discovery
- Discovering MySQL databases
- Global regular expressions
- Testing global regexps
- Usage in the default templates
- Network discovery
- Configuring a discovery rule
- Viewing the results
- Reacting to the discovery results
- Uniqueness criteria
- Active agent auto-registration
- Auto-registration metadata
- Summary
- Further reading
- Monitoring Web Pages
- Monitoring a simple web page
- Creating a web-monitoring scenario
- Other scenarios and step properties
- Alerting on web scenarios
- Logging into the Zabbix interface
- Step 1 – checking the first page
- Step 2 – logging in
- Step 3 – checking login
- Step 4 – logging out
- Step 5 – checking logout
- Authentication options
- Using agent items
- Getting the page
- Checking page performance
- Extracting content from web pages
- Extracting content using the HTTP agent
- Summary
- Questions
- Further reading
- High-Level Business Service Monitoring
- Deciding on the service tree
- Setting up IT services
- Creating test items and triggers
- Configuring IT services
- Sending in the data
- Viewing reports
- Specifying uptime and downtime
- Summary
- Questions
- Further reading
- Monitoring IPMI Devices
- Getting an IPMI device
- Preparing for IPMI monitoring
- Setting up IPMI items
- Creating an IPMI item
- Monitoring discrete sensors
- Using the bitwise trigger function
- Summary
- Questions
- Further reading
- Monitoring Java Applications
- Setting up the Zabbix Java gateway
- Monitoring JMX items
- Querying JMX items manually
- What to monitor?
- JMX discovery
- Summary
- Questions
- Further reading
- Monitoring VMware
- Technical requirements
- Preparing for VMware monitoring
- Automatic discovery
- Available metrics
- The underlying operation
- VMware LLD configuration
- Host prototypes
- Summarizing default template interaction
- Server operation and configuration details
- Summary
- Questions
- Further reading
- Using Proxies to Monitor Remote Locations
- Active proxies and passive proxies
- Setting up an active proxy
- Monitoring a host through a proxy
- Proxy benefits
- Proxy limitations
- Proxy operation
- Proxies and availability monitoring
- Method 1 – last access item
- Method 2 – internal proxy buffer item
- Method 3 – custom proxy buffer item
- Setting up a passive proxy
- Tweaking the proxy configuration
- Summary
- Questions
- Further reading
- Encrypting Zabbix Traffic
- Overview
- Backend libraries
- PSK encryption
- Certificate-based encryption
- Being our own authority
- Setting up Zabbix with certificates
- Concerns and further reading
- Summary
- Questions
- Further reading
- Working Closely with Data
- Getting raw data
- Extracting from the frontend
- Querying the database
- Using data in a remote site
- Diving further into the database
- Managing users
- Changing existing data
- Finding out when
- The when in computer language
- Finding out what
- Performing the change
- Using XML import/export for configuration
- Exporting the initial configuration
- Modifying the configuration
- The XML export format
- Scripting around the export
- Importing modified configuration
- Generating hosts
- Importing images
- Starting with the Zabbix API
- Simple operations
- Obtaining the API version
- Logging in
- Enabling and disabling hosts
- Creating a host
- Deleting a host
- Creating a value map
- Obtaining history and trends
- Issues with the Zabbix API
- Using API libraries
- Summary
- Questions
- Further reading
- Zabbix Maintenance
- Internal monitoring
- New values per second
- Zabbix server uptime
- Cache usage
- Internal process busy rate
- Unsupported items and more problems
- Counting unsupported items
- Reviewing unsupported items
- Internal events and unknown triggers
- Backing things up
- Backing up the database
- Restoring from a backup
- Separating configuration and data backups
- Upgrading Zabbix
- General version policy
- Long-term support and short-term support
- The upgrade process
- Minor version upgrade
- Upgrading binaries
- Upgrading the frontend
- Major-level upgrades
- Database versioning
- Gathering data during the upgrade
- The frontend configuration file
- Compatibility
- Performance considerations
- Who did that?
- Exploring configuration file parameters
- Zabbix agent daemon and common parameters
- Zabbix server daemon parameters
- Summary
- Questions
- Further reading
- Troubleshooting
- Introduction
- Common issues
- Installation
- Compilation
- Frontend
- Backend
- Locked out of the frontend
- Monitoring
- General monitoring
- Monitoring with the Zabbix agent
- User parameters
- SNMP devices
- IPMI monitoring
- ICMP checks
- Problems with simple checks
- Problems with zabbix_sender and trapper items
- General issues
- Triggers
- Actions
- Discoveries and autoregistration
- Troubleshooting Zabbix
- The Zabbix log file format
- Reloading the configuration cache
- Controlling running daemons
- Runtime process status
- Further debugging
- Being Part of the Community
- Community and support
- Chatting on IRC
- Using the Zabbix Wiki
- Using the Zabbix forum
- Filing issues on the tracker
- Meeting in person
- The Zabbix summit
- Local communities
- Following the development
- Getting the source
- Daily snapshots
- Accessing the version-control system
- Looking at the changesets
- Translating Zabbix
- Commercial support options
- Assessment
- Chapter 1: Getting Started with Zabbix
- Chapter 2: Getting Your First Notification
- Chapter 3: Monitoring with Zabbix Agents and Basic Protocols
- Chapter 4: Monitoring SNMP Devices
- Chapter 5: Managing Hosts Users and Permissions
- Chapter 6: Detecting Problems with Triggers
- Chapter 7: Acting upon Monitored Conditions
- Chapter 8: Simplifying Complex Configurations with Templates
- Chapter 9: Visualizing Data with Screens and Slideshows
- Chapter 10: Advanced Item Monitoring
- Chapter 12: Monitoring Web Pages
- Chapter 13: High-Level Business Service Monitoring
- Chapter 14: Monitoring IPMI Devices
- Chapter 15: Monitoring Java Applications
- Chapter 16: Monitoring VMware
- Chapter 17: Using Proxies to Monitor Remote Locations
- Chapter 18: Encrypting Zabbix Traffic
- Chapter 19: Working Closely with Data
- Chapter 20: Zabbix Maintenance
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