Those of you logging onto the PlayStation Network today with your PS3s will notice a request to update your system firmware to 3.21. If you have no intention of ever running Linux on your console, then feel free to update – but be warned that this new update will remove the "Other OS" capability. Read here for more.
Of course, those who are interested in staying up to date and still be able to partake on PSN may have to wait for a hacked custom firmware solution. We don't know if it's possible yet, but this one hacker is currently working on it.
Don't forget to check out what John Carmack thinks of this latest move by Sony in our feature of Why You Should Care that Linux is ditched.