I ran into this same problem. If I recall correctly, I just added -L to the curl command line, and that worked.
curl -L -O http://download.roonlabs.com/builds/roonserver-installer-linuxx64.sh
I ran into this same problem. If I recall correctly, I just added -L to the curl command line, and that worked.
curl -L -O http://download.roonlabs.com/builds/roonserver-installer-linuxx64.sh