Configuring Repositories with DNF

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Configuring Repositories with DNF

DNF allows for many repositories to be utilized simultaneously and provides configurations for controlling each individually. In this hands-on lab, you will be tasked with modifying global and individual repository configurations and ensuring that only specific repositories are enabled. *This lab is not approved or sponsored by Red Hat.*

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Lab Info

Level

Beginner

Last updated

Sep 22, 2025

Duration

15m

Challenge

Modify the Global Repository Configurations

Using a text editor, modify the dnf.conf file so that gpgcheck is set to 1 and installonly_limit is set to 3.
Challenge

Modify the EPEL Repository Configurations
Using a text editor, modify the [epel] repo section in the epel.repo file with the following configurations:
- Comment out the baseurl option.
- Uncomment the metalink option.
- Update the gpgcheck option to be equal to 1.
Challenge

Enable and Disable Repositories
- Enable the epel repository.
- Disable the epel-testing repository.

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