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→Part 1: Managing Software and Repositories with DNF
# How can you tell if the lynx package has been installed?
# To remove the lynx package issue the command: <b><code><span style="color:#3366CC;font-size:1.2em;">sudo dnf remove lynx</span></code></b>
# Verify that the lynx package has been removed.
# We will now look at how we can add different repositories to our '''r9host''' machine.
# Issue the following command: <b><code><span style="color:#3366CC;font-size:1.3em;">dnf repolist</span></code></b>
# Install alien:<b><code><span style="color:#3366CC;font-size:1.3em;">sudo dnf install alien</span></code></b>
# To verify that you have added the repository, you can issue the command: <b><code><span style="color:#3366CC;font-size:1.3em;">dnf repolist</span></code></b>
# Also verify that the application called: '''packettracer''' is not installed.
# Login to [https://www.netacad.com/ Cisco Netacad] and download Packet Tracer '''Ubuntu Desktop Version'''