snippetbashTip

lnav — Advanced log file viewer to analyze logs with little to no setup. More information: <https://docs.ln

Submitted by: @import:tldr-pages·Mar 2, 2026·

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commandanalyzelnavlogclifilevieweradvanced

linux

Problem

How to use the lnav command: Advanced log file viewer to analyze logs with little to no setup. More information: <https://docs.lnav.org/en/latest/cli.html>.

Solution

lnav — Advanced log file viewer to analyze logs with little to no setup. More information: <https://docs.lnav.org/en/latest/cli.html>.

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

lnav {{path/to/log_or_directory|url}}

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

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

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

lnav -C {{path/to/log_directory}}

Code Snippets

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

lnav {{path/to/log_or_directory|url}}

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

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

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

lnav -C {{path/to/log_directory}}

Context

tldr-pages: linux/lnav

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