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Disk Encryption with eCryptfs

Disk and filesystem encryption are important security measures for working with sensitive data. The eCryptfs software package provides data encryption at the filesystem level for targeted data encryption. A thorough understanding of how to create and work with encrypted disks and filesystems is required for advanced security certification exams such as the LPIC 303-200 exam.

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Path Info

Level
Clock icon Intermediate
Duration
Clock icon 30m
Last updated
Clock icon Aug 31, 2025

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Table of Contents

  1. Challenge

    Install eCryptfs on the Provided System

    1. Run the following command:
    sudo apt-get install ecryptfs-utils
    1. Accept the defaults at the prompts.

  2. Challenge

    Configure `/opt/protected` as an Encrypted Mount

    1. Run the following command:
    sudo mount -t ecryptfs /opt/protected /opt/protected
    1. Type supersecret! at the passphrase prompt.
    2. Accept all default options at the configuration prompts.
    3. Answer "yes" to all prompts.

  3. Challenge

    Copy the Contents of `/etc/profile.d` into `/opt/protected`

    1. Run the following command:
    sudo cp /etc/profile.d/* /opt/protected/

  4. Challenge

    Re-encrypt `/opt/protected` and Verify that the Contents of the Directory Are Unreadable

    1. Run the following command:
    umount /opt/protected
    1. Attempt to view the contents of one of the files in the /opt/protected directory using the cat command.
Pluralsight Skills - Labs - Pluralsight
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Pluralsight Skills

Pluralsight Skills gives leaders confidence they have the skills needed to execute technology strategy. Technology teams can benchmark expertise across roles, speed up release cycles and build reliable, secure products. By leveraging our expert content, skill assessments and one-of-a-kind analytics, keep up with the pace of change, put the right people on the right projects and boost productivity. It's the most effective path to developing tech skills at scale.

What's a lab?

Hands-on Labs are real environments created by industry experts to help you learn. These environments help you gain knowledge and experience, practice without compromising your system, test without risk, destroy without fear, and let you learn from your mistakes. Hands-on Labs: practice your skills before delivering in the real world.

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Follow along with the author’s guided walkthrough and build something new in your provided environment!

Did you know?

On average, you retain 75% more of your learning if you get time for practice.
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