Re: Running processes unniced as a normal user.
From: Florian Ernst (florian_at_uni-hd.de)
Date: Fri, 25 Jul 2003 02:58:23 +0200 To: email@example.com
At Thursday 24 July 2003 22:50 Mike Mestnik wrote:
> I was hoping there was an easy unix(debian,posix) way of doing this.
> Running processes unniced as
> a normal user. AFAIN I need to be suid0 for this, but I can't find
> any examples in yahoo.
> The problem is that I'm using ANDeamon that puts gkrellm at
> 15(nice:), this is what I like. What
> I don't like is an exec xmms from the niced gkrellm. This causes
> xmms to be unusable(as exec
> keeps the nice), it must be not nice and RTS even. A nice value of
> 0 is needed for xmms ALL WAYS.
> Thankfully you also need to be in group audio to use xmms, so I
> don't mind uses in that group to
> initially run xmms suid0.
> Problem 1: I can't just use a shell script suid0 to renice and drop
> privs. I'm told this is wrong, I have no reason to question this.
> Problem 2: There is no util currently available that I know of that
> deals with this. su, nice,
> renice, and the like don't touch it. Non of them have a config like
> sudo saying who and when can nice what.
> Problem 3: I could not find any example of sudo doing this.
> Caveats: I only wont to be nice 0, that's all.
You could setup sudo to allow this and only this type of invocation:
renice 0 -p $(pidof xmms)
and run it after starting xmms.
See the man pages for further info.
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