$ curl cheat.sh/
# 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

$
Follow @igor_chubin cheat.sh tldr