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Labs

Linux Endpoint Security: Logs

In this lab, you will discover common commands used to evaluate and analyze Linux logs and logging functions with a focus on establishing a foundation for cyber security skills.

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Lab platform
Lab Info
Rating
(121)
Level
Beginner
Last updated
Aug 04, 2025
Duration
2h 20m

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Table of Contents
  1. Challenge

    Getting Started in the Lab Environment

    Here are the initial instructions and explanation of the lab environment. Read this while your environment is busy creating itself from nothing. Yes, this violates physics; we know. How fun!

  2. Challenge

    Interpreting Syslog events

    Explore the contents of the syslog file on Linux.

  3. Challenge

    Understanding auth.log Activity

    Explore the contents of the auth.log file on Debian Linux.

  4. Challenge

    journalctl

    Use journalctl to inspect logs made as journal entries.

  5. Challenge

    Uncovering Malicious Activity in Linux Logs

    Emulate potentially malicious activity and follow your tracks while advancing log analysis skills from the previous challenges.

  6. Challenge

    The Last Challenge

    Welcome to the final challenge! This is your last chance to experiment in the environment. Clicking Finish Lab will end this little world that flittered into existence just for you.

About the author

Aaron M. Rosenmund is a cyber security operations subject matter expert, with a background in federal and business defensive and offensive cyber operations and system automation.

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