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Restore Changed System Files on Linux

Our Linux systems can serve a number of purposes and host a number of applications, services, and general infrastructure. Regardless of purpose, however, we will be working with files, most of which dictate whether the prior will work -- or work the way we expect. In this lab, we explore methods of restoring these changed files when necessary. _This course is not approved or sponsored by Red Hat._

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Path Info

Level
Clock icon Intermediate
Duration
Clock icon 15m
Last updated
Clock icon Aug 30, 2025

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Table of Contents

  1. Challenge

    Replicate the Issue

    Attempt to start the mysqld service.

  2. Challenge

    Investigate the Source of the Issues and Resolve

    Use rpm and dnf tools to discover the issue with the changed files and restore them.

  3. Challenge

    Confirm the Issue Resolution

    Start the mysqld service.

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!

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