Updating to new release of Fedora

Upgrade from 29 to 30

sudo dnf upgrade --refresh
sudo dnf install dnf-plugin-system-upgrade
sudo dnf system-upgrade download --releasever=30
sudo dnf system-upgrade reboot

Not advised but alternate less sure/secure way

sudo dnf system-upgrade download --releasever=30 --allowerasing --nogpgcheck

Fedora