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lnav Command Examples in Linux

by Deepika

lnav is a powerful and versatile log file viewer designed to make analyzing log data as simple as possible. It provides a text-based interface for viewing and filtering log files, and it has several advanced features for searching, highlighting, and summarizing log data.

lnav supports a wide range of log file formats and provides an easy-to-use interface for analyzing log data, making it an essential tool for system administrators and developers who work with log files on a regular basis. It also provides the ability to aggregate logs from multiple sources, and its built-in script support makes it easy to automate log analysis tasks.

lnav Command Examples

1. View logs of a program, specifying log files, directories or URLs:

# lnav path/to/log_or_directory|url

2. View logs of a specific remote host (SSH passwordless login required):

# lnav ssh user@host1.example.com:/var/log/syslog.log

3. Validate the format of log files against the configuration and report any errors:

# lnav -C path/to/log_directory

Filed Under: Linux

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