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Labs

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
Published
Clock icon Apr 03, 2020

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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
A Cloud Guru - Labs - Understanding Privilege Escalation in CentOS
Author
A Cloud Guru

The Cloud Content team comprises subject matter experts hyper focused on services offered by the leading cloud vendors (AWS, GCP, and Azure), as well as cloud-related technologies such as Linux and DevOps. The team is thrilled to share their knowledge to help you build modern tech solutions from the ground up, secure and optimize your environments, and so much more!

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.

Provided environment for hands-on practice

We will provide the credentials and environment necessary for you to practice right within your browser.

Guided walkthrough

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

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

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