Build and install instructions https://open.riftio.com/webdocs/RIFTware/Authoring/Installation/InstallRiftwareFromSource.htm
This is release 4.1.0.1
After instantiating the BUILD VM but before running your first build, you must install some packages. This is a one time change
yum install libdb-devel /usr/rift/bin/pip3-install jujuclient