I did a dnf update successfully. Then a 'dnf list > dnf.lst' to get the
packages available. Then tried to install tigervnc-server:
# dnf install tigervnc-server
Fedora Modular 30 - armhfp 0.0 B/s | 0 B 00:00
Failed to synchronize cache for repo 'fedora-modular'
Error: Failed to synchronize cache for repo 'fedora-modular'
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