Welcome to lnav’s documentation!

The Log File Navigator (lnav) is an advanced log file viewer for the console.

Contents:

• Introduction
  • Dependencies
  • Installation
  • Viewing Logs
  • Setup
• Usage
  • Basic Controls
  • Viewing Files
  • Searching
  • Filtering
  • Search Tables
  • Taking Notes
• Cookbook
  • Log Formats
  • Annotating Logs
  • Log Analysis
• How It Works
  • Internal Architecture
• Configuration
  • Options
  • Theme Definitions
  • Keymap Definitions
  • Tuning
• Command Line Interface
  • File Viewing Mode
  • Management Mode (v0.10.2+)
  • Environment Variables
  • Examples
• User Interface
• Hotkey Reference
  • Spatial Navigation
  • Chronological Navigation
  • Bookmarks
  • Display
  • Session
  • Query Prompts
  • Customizing
• Log Formats
  • Defining a New Format
  • Patching an Existing Format
  • Scripts
  • Installing Formats
  • Format Order When Scanning a File
• Sessions
• Commands
  • Reference
• SQLite Interface
  • Log Tables
  • Extensions
  • Commands
  • Variables
  • Environment
  • Collators
  • Reference
• SQLite Tables Reference
  • environ
  • lnav_events
  • lnav_file
  • lnav_views
  • lnav_view_stack
  • lnav_view_filters
  • lnav_view_filter_stats
  • lnav_view_filters_and_stats
  • all_logs
  • http_status_codes
  • regexp_capture(<string>, <regex>)
• Events (v0.10.2+)
  • Trigger Example
  • Reference
• Extracting Data
  • Recognized Data Types
• Frequently Asked Questions
  • Q: How can I copy & paste without decorations?
  • Q: How can I force a format for a file?
  • Q: Why isn’t my log file highlighted correctly?
  • Q: Why isn’t a file being displayed?

Indices and tables

• Index

• Module Index

• Search Page