Managing Packages with DNF

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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.*

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Lab Info

Level

Beginner

Last updated

Nov 04, 2025

Duration

30m

Challenge

Manage Software Packages
- Install sysstat, nmap, and mtr packages.
- Install the vsftpd package version 3.0.3 release 35.el8.
- Remove the drbd and htop packages.
- Remove all packages that were installed as dependencies of user installed packages ("leaf packages") but are no longer needed.
Challenge

Manage Package Groups
- Install the Security Tools package group.
- Remove the System Tools package group.
Challenge

Manage Modules
- Remove the nginx module.
- Enable the postgresql module for stream 13.
- install the postgresql module.
Challenge

Update Software Packages
- Remove all temporary DNF files.
- Upgrade all the packages on the host with available updates.

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