This VM is for use as a BOINC server. It has all the BOINC server prerequisites installed, the BOINC software installed and compiled, and user accounts and permissions set up. It's ready to run ~/boinc-master/tools/make_project and go.
The VM image is for VirtualBox, an open-source VM system. It is a 64-bit image; you need a 64-bit processor to run it.
The OS is Debian 7 "Wheezy" (64-bit).
The BOINC software version is from 12 April 2014 and downloadable at http://boinc.berkeley.edu/dl/debian-7-boinc-server-140412.7z .