minimal:
reqprocessor: Intel dual core 2.0 Ghz
reqgraphics: 512 MB or higher
reqmemory: 512 MB RAM
reqdiskspace: 2 GB available space
reqsystem: Ubuntu 12.04.05 LTS (Precise Pangolin)
recommended:
reqprocessor: Intel dual core 2.4 Ghz
reqgraphics: 1GB or higher
reqmemory: 1 GB RAM
reqdiskspace: 2 GB available space
reqsystem: Ubuntu 14.04.03 (Trusty Tahr)