Setting up jack, Cadence and a pulseaudio bridge on fedora
# Install Cadence and jack plus deps
sudo dnf install Cadence laditools jack-audio-connection-kit jack-audio-connection-kit-dbus pulseaudio-module-jack
# Install ladish from an old fedora 30 rpm file
sudo dnf install https://rpmfind.net/linux/fedora/linux/releases/30/Everything/x86_64/os/Packages/l/ladish-2-20.3.gitfcb16ae.fc28.x86_64.rpm
sudo usermod -a -G jackuser,audio $USER
now logout and back in again and Cadence should work.