Join BEACON today and start interacting with other Bright Users.

Bright's head node installer should work fine w/ VirtualBox. How much memory did you allocate to your VM? With too little RAM it is possible that unpacking the initramfs did not go well (hence the files not being found). If... (More)

Yes, Bright 9.0 does support multiple distributions. 
Please see this section in the admin guide for details:
https://support.brightcomputing.com/manuals/9.0/admin-manual.pdf#section.11.77