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LNAV

LNAV

LNAV is a free and open-source log file viewer for the Linux operating system. It allows searching, filtering, coloring and navigating log files to analyze the contents.
System & Hardware System Monitoring
log-viewer log-analysis open-source
LNAV screenshot
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LNAV: Free Log File Viewer for Linux

A free and open-source log file viewer for the Linux operating system, allowing search, filtering, coloring and navigation of log files to analyze their contents.

What is LNAV?

LNAV is an open-source log file viewer and analyzer for the Linux operating system. It is designed specifically for viewing and analyzing log files, providing features such as:

  • Powerful searching and filtering of log messages using regular expressions
  • Color coding of messages by content, time, priority etc.
  • Navigation through messages chronologically or by search filter
  • Statistical summaries of log contents
  • Support for log rotation and compression
  • Plugin system for adding new log formats and analytics

Some key advantages of LNAV over basic text viewers and editors include the ability to handle large log files efficiently, interactively search and filter message content, and gain a quick visual overview of the log contents. It can help developers, system administrators and support teams quickly diagnose issues from application, web server, database and system logs.

LNAV is free, open source software distributed under the GNU GPL license. It runs on most Linux distributions and is included in many package repositories for easy installation. With its specialized log analysis capabilities tuned for efficiency, LNAV offers a lightweight yet powerful solution for working with log files on Linux systems.

LNAV Features

Features

  1. View log files
  2. Search and filter log files
  3. Color coding for log levels
  4. Navigation through log files
  5. Open source

Pricing

  • Open Source
  • Free

Pros

Free to use

Works on Linux

Allows log analysis

Customizable color coding

Navigation makes it easy to find info

Cons

Linux only

Basic features compared to commercial log viewers

No central log management

Limited reporting capabilities

Official Links

Official Website
https://lnav.org/

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BareTail

BareTail is a popular and free log file viewer and monitor for the Windows operating system. It enables real-time viewing and monitoring of text-based log files as they are being written to, with new lines and content highlighted for easy identification.Some key features of BareTail include:Real-time tailing - New log...
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Json-log-viewer

json-log-viewer is an open-source log viewer application designed specifically for viewing and analyzing JSON-formatted log files. It provides a graphical user interface that makes it easy to search, filter, and gain insights from JSON log data without having to parse the raw logs manually.Some key features of json-log-viewer include:Intuitive search...
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Yata

Yata is an open-source, privacy-focused web browser. It is designed to protect users' privacy and security while browsing the internet. Some key features of Yata include:Blocks ads and trackers automatically - Yata uses built-in blocklists to prevent ads, trackers, and malware from loading on websites.Doesn't save browsing history - No...
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SPHW LogViewer

SPHW LogViewer is a free log file reader program for Windows. It provides an intuitive graphical user interface to view, analyze, filter, and search log files of various formats including text, XML, CSV, and more.Key features of SPHW LogViewer:Open multiple log files simultaneously in tabbed interfaceFilter log data with advanced...
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LOG4VIEW

LOG4VIEW is a free, open source tool for viewing and analyzing log files generated by Apache Log4j logging framework. It provides an intuitive user interface to search, filter, correlate and analyze large volumes of log data for troublehsooting applications and systems.Key features of LOG4VIEW include:Open source log viewer with an...
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Compact Log Viewer

Compact Log Viewer is a free and open source log file viewer and analyzer software for Windows. It is designed for efficiently working with large log files from various sources including web servers, applications, systems and networks.Some key features of Compact Log Viewer:Fast loading and browsing of large log filesPowerful...
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Log Manager

Log Manager is a software tool designed to help manage and analyze the high volumes of log data generated by applications, systems and infrastructure. It provides centralized collection and storage of log files from across servers, networks, and other sources. Key features include:Centralized log collection - Automatically harvests logs from...
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