Popular Mechanics has published a guide showing how to convert a Sony PlayStation 3 to a full-fledged PC. It has been long established that the console's Cell processor is akin to those used by supercomputers, though this is probably a first in terms of a major exploit.
Best of all, the magazine says the Linux operating system makeover is perfectly legitimate and relatively risk-free. The procedure involves a hard drive upgrade and relevant software installation. The latter, such as Ubuntu, can also be downloaded free online.
The hacked console retains all its original functionalities and can be easily toggled between console and Linux mode via user selectable dual-boot function. However, you will have to back up all game data into an external storage before installation.