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Documentation: 3.3

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How Splunk Works
- Overview of Splunk
Getting Started
- Start Splunk
- Administration basics
- Change defaults
- Find and index data
- Add more users
  - Splunk local users
  - Examples
- Start searching
Data Inputs
- How input configuration works
- Files and directories
- FIFO
- Network ports
- Scripted inputs
  - Configuration
  - Example
- Whitelist and blacklist rules
- Crawl
  - Configuration
  - Example
- Windows inputs
  - Configure indexing for Windows event logs
  - Configure Windows registry monitoring input
- Windows Management Interface (WMI) input
- Windows registry input
Data Distribution
- How data distribution works
- Enable forwarding and receiving
- Configure target groups in outputs.conf
  - Configuration
  - Example
- Set up routing
- Route specific events to different queues
- Route specific events to an alternate index
  - Configuration
  - Example
- Set up SSL
  - Forwarder
  - Receiver
- Enable cloning
- Set up data balancing
  - Configuration
  - Example
- Route data to third-party systems
  - Configuration
  - Example
Indexing
- How indexing works
  - How events work
  - How segmentation works
- Index multi-line events
  - Configuration
  - Examples
- Configure segmentation
  - Splunk Web segmentation
- Configure custom segmentation for a host, source, or source type
  - via props.conf
  - Example
- Mask sensitive data in an event
  - Configuration
- Configure character set encoding
- Dynamic metadata assignment
  - Configuration
  - Set values with a script
Timestamps
- How Splunk extracts timestamps
  - Precedence rules for timestamp assignment
  - Configure timestamps
- Configure timestamp extraction
- Apply timezone offsets
- Recognize European date format
  - Configure European date format in literals.conf
  - Use the timeformat modifier
- Configure positional timestamp extraction
  - Configure positional timestamp extraction in props.conf
- Tune timestamp extraction for better indexing performance
  - Adjust timestamp lookahead
  - Turn off the timestamp processor
- Train Splunk to recognize a timestamp
Fields
- How fields work
- Create indexed fields via configuration files
  - Configuration
  - Example
- Create extracted fields via configuration files
- Create extracted fields via Splunk Web
- Field actions
  - Configuration
  - Example
- Configure fields.conf
  - Configuration
- Configure multi-value fields
  - Configure multi-value fields via fields.conf
  - Example
- Configure tags
  - Configure tags via tags.conf
  - Examples
- Automatic header-based field extraction
Hosts
- How host works
- Set default host for a Splunk server
  - via Splunk Web
  - via configuration files
- Define host assignment for an input
  - Statically
  - Dynamically
- Tag hosts
  - via Splunk Web
  - Host tags vs host names
- Extract host per event
  - Configuration
  - Example
Source Types
- How source types work
- Rule-based association of source types
  - Configuration
  - Examples
- Set source type for an input
  - via Splunk Web
  - via configuration files
- Set source type for a source
  - via configuration files
- Train Splunk to recognize a source type
  - via the CLI
- Source type settings in props.conf
- Configure a source type alias
Event Types
- How event types work
- Save event types via Splunk Web
  - Configuration
- Configure eventtypes.conf
- Tag event types
  - Configuration
- Event type discovery
  - Configure event types
- Event type templates
  - Configuration
  - Example
- Dynamic event rendering
Transaction Types
- How transaction types work
  - Define transactions
  - Sample use cases
- Transaction types via configuration files
  - Configuration
  - Example
- Transaction search
  - Transactions and macro search
Search
- How search works
- Set up saved searches
  - via Splunk Web
- Set up saved searches via savedsearches.conf
  - Configuration
  - Example
- Set up alerts via Splunk Web
  - Set up an alert
  - Specify which fields to show
- Set up alerts via savedsearches.conf
- Customize alert options
  - Configuration
  - Example
- Create a form search
- Macro searches
  - Configure a macro search
- Configure summary indexing
  - Summary indexing and license volume
  - Manually configure summary indexing
- Live tail
- Send syslog events
  - Configuration
  - Example
- Send SNMP traps
  - Configuration
  - Configure your alert to call a shell script
Distributed Search
- How distributed search works
  - Known issues with distributed search
- Enable distributed search via Splunk Web
- Enable distributed search via the CLI
  - Configuration
- Configure distributed search via distsearch.conf
  - Configuration
  - Example
- Exclude specific Splunk servers from distributed searches
Security
- Security options
  - Authentication
  - Audit
- Enable HTTPS
  - Configuration
  - Certificates
- SSL
  - Configuration
- Configure roles
  - Configuration
  - Example
- Set up LDAP
- Scripted authentication
- File system change monitor
  - How the file system change monitor works
  - Configure the file system change monitor
- Audit events
- Audit event signing
  - How audit event signing works
  - Configure audit event signing
- Event hashing
- IT data signing
- Archive signing
Data Management
- Splunk data management
  - Index management
  - Configuration files for index management
- Create an index
- Remove (delete) data
- Export event data
  - via the CLI
  - via Splunk Web
- Move an index
  - Configuration
- Set a retirement and archiving policy
  - Remove files beyond a certain size
  - Remove files beyond a certain age
- Automate archiving
  - Use Splunk's index aging policy to archive
- Restore archived data
  - Restore with resurrect
  - Restore a copied index archive
- Back up your data
  - Back up your Splunk configurations only
  - Back up your indexed data
- Disk usage
  - Set minimum free disk space
  - Set database size
- Use separate partitions for Splunk's datastore
  - Set up separate partitions
- Use WORM (Write Once Read Many) volumes for Splunk's datastore
  - Configuration
Deployment Server
- How the deployment server works
  - Communication between deployment server and client
  - Configuration files for deployment server
- Configure a Splunk Deployment Server
  - Configuration
  - Example
- Configure server classes
  - Configuration
  - Example
- Configure deployment clients
- Sync the server and client
  - Configuration changes
Performance Tuning
- Performance tuning Splunk
- Indexing performance
- Search performance
- Storage efficiency
- CPU and memory footprint
  - Improve CPU usage
  - Improve memory usage
- Multi-CPU servers
  - indexes.conf
- 64-bit operating systems
  - indexes.conf
Configuration Files
- How do configuration files work?
  - Configuration file directory structure
  - Configuration file precedence
- Configure application directories
  - Make an application directory
  - Best practice
- Configuration file list
Applications
- About applications
- Install Splunk applications
- About Splunk's application manager
  - View and manage applications
  - Browse SplunkBase
Reference
- Pre-trained source types
  - Automatically recognized source types
  - Pre-trained source types
- Splunk log files
  - Internal logs
  - debug
  - log.cfg
- Work with metrics.log
  - Use metrics.log to troubleshoot issues with data inputs
- Determine what files Splunk is monitoring
  - Run listtails
- Log file rotation
  - How log rotation works
- Index SNMP events with Splunk
- log4j
- Strip syslog headers before processing
  - Configuration
  - Example
- alert_actions.conf
  - alert_actions.conf.spec
  - alert_actions.conf.example
- app.conf
  - app.conf.spec
  - app.conf.example
- audit.conf
  - audit.conf.spec
  - audit.conf.example
- authentication.conf
  - authentication.conf.spec
  - authentication.conf.example
- authorize.conf
  - authorize.conf.spec
  - authorize.conf.example
- commands.conf
  - commands.conf.spec
  - commands.conf.example
- crawl.conf
  - crawl.conf.example
  - crawl.conf.spec
- decorations.conf
  - decorations.conf.spec
  - decorations.conf.example
- deployment.conf
  - deployment.conf.spec
  - deployment.conf.example
- distsearch.conf
  - distsearch.conf.spec
  - distsearch.conf.example
- eventdiscoverer.conf
  - eventdiscoverer.conf.spec
  - eventdiscoverer.conf.example
- eventtypes.conf
  - eventtypes.conf.spec
  - eventtypes.conf.example
- field_actions.conf
  - field_actions.conf.spec
  - field_actions.conf.example
- fields.conf
  - fields.conf.spec
  - fields.conf.example
- indexes.conf
  - indexes.conf.spec
  - indexes.conf.example
- inputs.conf
  - inputs.conf.spec
  - inputs.conf.example
- limits.conf
  - limits.conf.spec
  - limits.conf.example
- literals.conf
  - literals.conf.example
- multikv.conf
  - multikv.conf.spec
  - multikv.conf.example
- outputs.conf
  - outputs.conf.spec
  - outputs.conf.example
- prefs.conf
  - prefs.conf.spec
  - prefs.conf.example
- props.conf
  - props.conf.example
  - props.conf.spec
- props.conf (cont)
  - props.conf.spec, continued
- regmon-filters.conf
  - regmon-filters.conf.spec
  - regmon-filters.conf.example
- restmap.conf
  - restmap.conf.example
  - restmap.conf.spec
- savedsearches.conf
  - savedsearches.conf.example
  - savedsearches.conf.spec
- segmenters.conf
  - segmenters.conf.example
  - segmenters.conf.spec
- server.conf
  - server.conf.example
  - server.conf.spec
- source-classifier.conf
  - source-classifier.conf.example
  - source-classifier.conf.spec
- sourcetypes.conf
  - sourcetypes.conf.example
  - sourcetypes.conf.spec
- streams.conf
  - streams.conf.example
  - streams.conf.spec
- strings.conf
  - strings.conf.example
  - strings.conf.spec
- sysmon.conf
  - sysmon.conf.example
  - sysmon.conf.spec
- tags.conf
  - tags.conf.example
  - tags.conf.spec
- transactiontypes.conf
  - transactiontypes.conf.example
  - transactiontypes.conf.spec
- transforms.conf
  - transforms.conf.spec
  - transforms.conf.example
- user-seed.conf
  - user-seed.conf.example
  - user-seed.conf.spec
- web.conf
  - web.conf.example
  - web.conf.spec
- wmi.conf
  - wmi.conf.example
  - wmi.conf.spec
Troubleshooting
- Contact Support
- Splunkd is down
  - Splunkd may need a few more seconds to come up
  - Your license file contains line-breaks or other hidden characters
- License issues
- Anonymize data samples
  - Simple method
  - Advanced method
- Unable to get a properly formatted response from the server
- Command line tools
  - cmd
  - btool
  - classify
  - gzdumper
  - listtails
  - locktest
  - locktool
  - parsetest
  - pcregextest
  - regextest
  - searchtest
  - signtool
  - tsidxprobe

This page last updated: 08/07/08 09:08am

About applications

NOTE: This topic is a work-in-progress.

This topic provides and overview of applications and how you can use them. For Splunk applications and information on how to build your own, refer to the Apps Wiki. For existing applications, browse SplunkBase.

What are applications?

A Splunk application can be as simple as a collection of one or more event type definitions, searches, and/or saved searches. Or, it can be as complex as an entirely new program using Splunk's REST API.

Where do they fit into Splunk?

Where can you find them?

You can access all applications from SplunkBase.

How do you install them?

Install Splunk applications.

Important: Splunk's directory structure changed between versions 3.2 and 3.3. If you are downloading an application from SplunkBase, you may need to upgrade to 3.3.

Previous: Configuration file list | Next: Install Splunk applications

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