DEV-TOOLSMarch 24, 20261 min read20 views

Log File Viewer for the Terminal

lnav is a powerful terminal-based log file viewer that features automatic format detection and high-performance data processing. It offers a seamless experience for system engineers to analyze large log files efficiently.

A log file viewer for the terminal

Easy to Use

Just point lnav at a directory and it will take care of the rest. File formats are automatically detected and compressed files are unpacked on the fly. Online help and previews for operations make it simpler to level up your experience.

Performant

lnav can outperform standard terminal tools when processing log files. The following chart compares CPU/memory usage when working with a 3.3GB access log. The chart was also generated using lnav's SQLite Interface.

Source: Hacker News

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