lnav is a powerful, feature-rich log file viewer for Linux that makes analyzing, searching, and filtering log files far easier than traditional tools like tail and grep. In this tutorial, you’ll learn how to install lnav, navigate its interface, search and filter log files, view multiple logs at once, and tail live log files in real time — all from the command line.

Whether you’re a Linux sysadmin troubleshooting a production server, a homelab enthusiast digging through system logs, or a Linux user who wants a smarter way to read log files, lnav is a tool worth adding to your workflow.