In order for you to play Ceres on Linux with minimal graphics settings, your computer must meet the following requirements
Operating System:
Ubuntu 12.04+
Processor (CPU):
Intel Pentium G3220 @ 3.00GHz or equivalent AMD processor and above
Memory (RAM):
2 GB RAM
Graphics Card:
1 GB nVidia Geforce GT460 or equivalent, 500 MB ATI HD4850 or equivalent
Storage:
2 GB available space
In order to play Ceres on Linux with maximum graphics settings, you need a computer with a configuration no worse than the following
Operating System:
Ubuntu 12.04+
Processor (CPU):
Intel i5 dual Core 3.2 GHz
Memory (RAM):
4 GB RAM
Graphics Card:
1 GB nVidia Geforce GT460 or equivalent, 500 MB ATI HD4850 or equivalent
Storage:
2 GB available space