> I'm wondering if there is some hard limits implemented in the Linux
> kernel that allows me to set limits like a process can't use >50%
> CPU for 5mins, or no process can use more than 50M mem..
Not 50% CPU, but you can limit the total CPU time available.
> I know about bash's ulimit command but the user can fix it and it's
> still soft..
ulimit -H -- hard limits -- absolute maximum setable on via root
ulimit -S -- soft limits -- soft upper limit, any user can set these
-cw
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