← Back to tools

The Logfile Navigator

An advanced and colorful log file viewer with TUI interface

System & Monitoring linuxmacos C++ BSD-2-Clause

Description

The Logfile Navigator (lnav) is an advanced and colorful log file viewer with a TUI interface. It supports automatic log format detection, real-time updates, and SQL queries against log data. It can merge multiple log files and present a unified view.

AI Summary

An advanced log file viewer with automatic format detection, SQL queries, and real-time monitoring.

Capabilities

  • + Automatic log format detection
  • + Merge and view multiple log files simultaneously
  • + SQL queries against log data
  • + Real-time log file monitoring
  • + Syntax highlighting and color coding
  • + Timeline and histogram views

Use When

  • You need to analyze log files interactively
  • You want to query logs with SQL
  • You need to merge and correlate multiple log files

Avoid When

  • x You need centralized log aggregation
  • x You only need simple tail -f functionality
View AGENTS.md for The Logfile Navigator