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lnav - Online in the Cloud

Run lnav in OnWorks free hosting provider over Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator

This is the command lnav that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator

PROGRAM:

NAME


lnav - ncurses-based log file viewer

SYNOPSIS


lnav [-hVsar] [logfile1 logfile2 ...]

DESCRIPTION


The log file navigator, lnav, is an enhanced log file viewer that takes advantage of any
semantic information that can be gleaned from the files being viewed, such as timestamps
and log levels. Using this extra semantic information, lnav can do things like
interleaving messages from different files, generate histograms of messages over time, and
providing hotkeys for navigating through the file. It is hoped that these features will
allow the user to quickly and efficiently zero in on problems.

KEY BINDINGS


? View/leave the online help text.

q Quit the program.

OPTIONS


-h Print help and exit

-H Display the internal help text.

-d file
Write debug messages to the given file.

-V Print version information.

-s Load the most recent syslog messages file.

-a Load all of the most recent log file types.

-r Load older rotated log files as well.

-t Prepend timestamps to the lines of data being read in on the standard input.

-w file
Write the contents of the standard input to this file.

Optional arguments:
logfile1
The log files or directories to view. If a directory is given, all of the files in
the directory will be loaded.

EXAMPLES


To load and follow the syslog file:

lnav -s

To load all of the files in /var/log:

lnav /var/log

To watch the output of make with timestamps prepended:

make 2>&1 | lnav -t

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