Andrew says to install from the Netinstall iso or DVD. Click on either of the 2 links below.

https://download.fedoraproject.org/pub/fedora/linux/releases/30/Server/x86_64/iso/Fedora-Server-netinst-x86_64-30-1.2.iso

https://download.fedoraproject.org/pub/fedora/linux/releases/30/Server/x86_64/iso/Fedora-Server-dvd-x86_64-30-1.2.iso

https://www.youtube.com/watch?v=yYF71glpYlA this video shows the command for NetworkManager-tui

https://www.youtube.com/watch?reload=9&v=yVJaZ1zoMkw another video on NetworkManager-tui

https://rpmfusion.org/  the linked page (left) is also copied and pasted (below)

Command Line Setup using rpm

To enable access to both the free and the nonfree repository use the following command:

• Fedora 22 and later:

  sudo dnf install https://download1.rpmfusion.org/free/fedora/rpmfusion-free-release-$(rpm -E %fedora).noarch.rpm https://download1.rpmfusion.org/nonfree/fedora/rpmfusion-nonfree-release-$(rpm -E %fedora).noarch.rpm

• Silverblue 29 and later:

  sudo rpm-ostree install https://download1.rpmfusion.org/free/fedora/rpmfusion-free-release-$(rpm -E %fedora).noarch.rpm https://download1.rpmfusion.org/nonfree/fedora/rpmfusion-nonfree-release-$(rpm -E %fedora).noarch.rpm

  # You will have to reboot for the rpmfusion repositories to appear)

• RHEL 6 or compatible like CentOS:

  sudo yum localinstall --nogpgcheck https://download1.rpmfusion.org/free/el/rpmfusion-free-release-6.noarch.rpm https://download1.rpmfusion.org/nonfree/el/rpmfusion-nonfree-release-6.noarch.rpm

• RHEL 7 or compatible like CentOS:

  sudo yum localinstall --nogpgcheck https://download1.rpmfusion.org/free/el/rpmfusion-free-release-7.noarch.rpm https://download1.rpmfusion.org/nonfree/el/rpmfusion-nonfree-release-7.noarch.rpm