If you Google "Thingworx ems lua" the top website is a great article explaining how to configure the EMS and LSR:
I have referenced this webpage in dozens of emails and discussions over the past year, I even shared it again today. Will all the current community content be available at the same URLs?
No, the URLs will not remain the same as we are merging with the existing PTC Community in addition to moving to a new platform. We will have redirects set up after the migration, but we also suggest that you update any known reference with the native URL once we move to the new domain.