I have set up CPU sets with cset in Ubuntu 12.04, but they are not respected. Processes just use all the CPU they can, no matter what set they are assigned to. It seems that cpuset is not enabled. ...
I just came to realize that my system is not limiting the amount of processes per user properly thus not preventing a user from dring a fork-bomb and crashing the entire system: user@thebe:~$ cat ...
How do you permanently set process limit per user (ulimit -u) in Ubuntu?