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Managing the System Bootloader in RHEL 8

The bootloader is the first software program that executes when the system starts, and it's in control until it passes it to the kernel, which brings up the rest of the operating system. The GRUB bootloader in RHEL is highly configurable. In this hands-on lab, we will work with the system bootloader on RHEL 8. *This course is not approved or sponsored by Red Hat.*

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Path Info

Level
Clock icon Beginner
Duration
Clock icon 15m
Last updated
Clock icon Aug 28, 2025

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Table of Contents

  1. Challenge

    Modify the System Bootloader

    1. Query the GRUB configuration files.
    2. Alter GRUB configuration options.
    3. Regenerate and install GRUB with the updates.
    4. Reboot and query the GRUB configuration.

  2. Challenge

    Set and Test Default Kernel Options

    1. Query the installed kernels.
    2. Query and change the default kernel (index).
    3. Reboot and test configuration.
    4. Restore the original default kernel.
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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.

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