- Lab
-
Libraries: If you want this lab, consider one of these libraries.
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Managing Packages with DNF
DNF is an improved version of the YUM package manager, which, in addition to resolving dependencies, provides more features and better efficiency than its predecessor. In this hands-on lab, you will use DNF to manage software packages, package groups, and modules. *This lab is not approved or sponsored by Red Hat.*

Lab Info
Table of Contents
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Challenge
Manage Software Packages
- Install
sysstat
,nmap
, andmtr
packages. - Install the
vsftpd
package version3.0.3
release35.el8
. - Remove the
drbd
andhtop
packages. - Remove all packages that were installed as dependencies of user installed packages ("leaf packages") but are no longer needed.
- Install
-
Challenge
Manage Package Groups
- Install the
Security Tools
package group. - Remove the
System Tools
package group.
- Install the
-
Challenge
Manage Modules
- Remove the
nginx
module. - Enable the
postgresql
module for stream13
. - install the
postgresql
module.
- Remove the
-
Challenge
Update Software Packages
- Remove all temporary DNF files.
- Upgrade all the packages on the host with available updates.
About the author
Real skill practice before real-world application
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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Engage hands-on with the tools and technologies you’re learning. You pick the skill, we provide the credentials and environment.
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All labs have detailed instructions and objectives, guiding you through the learning process and ensuring you understand every step.
Turn time into mastery
On average, you retain 75% more of your learning if you take time to practice. Hands-on labs set you up for success to make those skills stick.