Wiktor <[email protected]> wrote:
> furthermore, on many systems root may want to make users able to run
> some program with lowered nice, but not from root account and without
> having to know the root password... i've found a way to do this using
> shell scripts combined with suid bit and strange fils ownerships, but it
> is absolute diseaster.
You want su1, or maybe sudo.
> so i thought that it would be nice to add an attribute to file
> (changable only for root) that would modify nice value of process when
> it starts. if there is one byte free in ext2/3 file metadata, maybe it
> could be used for that? i think that it woundn't be more dangerous than
> setuid bit.
Remember: xmms might be configured to spawn the shell plugin.
I guess there should be a maximum renice value ulimit instead, which would
allow running allmost any user task on a higher nice level, except the
important stuff, with the additional benefit of being able to temporarily
renice some tasks until the more important work is done.
I remember something similar being discussed for realtime tasks, but I don't
remember the outcome.
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