#cli #tui #logs #log-parsing #log-analytics

app logria

A powerful CLI tool that puts log analytics at your fingertips

4 releases

0.1.3 Feb 12, 2023
0.1.2 Dec 27, 2022
0.1.1 Dec 26, 2022
0.1.0 Dec 25, 2022
0.0.0 Dec 25, 2022

#1291 in Command line utilities



Logria Logo


A powerful CLI tool that puts log aggregation at your fingertips.


  • Live filtering/parsing of data from other processes
  • Use shell commands or files as input, save sessions and come back later
  • Replace regex/filter without killing the process or losing the stream's history
  • Parse logs using user-defined rules, apply aggregation methods on top


There are several options to install this app.

This binary is available on crates.io.

cargo install logria is the best way to install the app for normal use.


See Advanced Installation.


There are a few ways to invoke Logria:

  • Directly:
    • logria
    • Opens to the setup screen
  • With args:
    • logria -e 'tail -f log.txt'
    • Opens a process for tail -f log.txt and skips setup
    • logria -h will show the help page with all possible options

For more details, see Sample Usage Session.

Key Commands

Key Command
: command mode
/ regex search
h if regex active, toggle highlighting of matches
s swap reading stderr and stdout
p activate parser
a toggle aggregation mode when parser is active
z deactivate parser
scroll buffer up one line
scroll buffer down one line
skip and stick to end of buffer
skip and stick to beginning of buffer


Here are some of the ways you can leverage Logria:

Live stream of log data



Live log message parsing


Live aggregation/statistics tracking


User-defined saved sessions

See session docs.

User-defined saved log parsing methods

See parser docs.


This is a Rust implementation of my Python proof-of-concept.

When to use Logria

Logria is best leveraged to watch live logs from multiple processes and filter them for events you want to see. My most common use case is watching logs from multiple Linode/EC2 instances via ssh or multiple CloudWatch streams using awslogs.

I also use it to analyze the logs from my Apache web servers that print logs in the common log format.

When to avoid Logria

Logria is not a tool for detailed log analytics. lnav or angle-grinder will both do the job better.

Special Thanks


~216K SLoC