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Understanding Privilege Escalation in CentOS

As a system administrator, most of your work can be done as your specific user. There are many tasks, however, that need to be done as the `root` user to work correctly. In this hands-on lab, you'll be able to practice different methods of privilege escalation.

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Path Info

Level
Clock icon Beginner
Duration
Clock icon 15m
Last updated
Clock icon Aug 27, 2025

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Table of Contents

  1. Challenge

    Add `bob` to `sudoers` File

    1. Become root:

      sudo -i

      Enter the cloud_user password.

    2. Open the sudoers file:

      visudo

    3. Add the following somewhere after the root permissions are defined:

      bob  ALL=(ALL)	NOPASSWD: ALL

  2. Challenge

    Allow `adam` to Use the `journalctl` Command as `root`

    1. Open the sudoers file:

      visudo

    2. Add the following somewhere after the root permissions are defined:

      adam  ALL=(root)	NOPASSWD: /bin/journalctl
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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We will provide the credentials and environment necessary for you to practice right within your browser.

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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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