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Date:      Fri, 26 Oct 2001 14:01:39 -0700 (PDT)
From:      David Kirchner <davidk@accretivetg.com>
To:        Michael Grant <mg-fbsd2@grant.org>
Cc:        <freebsd-questions@FreeBSD.ORG>
Subject:   Re: running a program as nobody
Message-ID:  <20011026140025.U25870-100000@localhost>
In-Reply-To: <200110262059.VAA21039@splat.grant.org>

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On Fri, 26 Oct 2001, Michael Grant wrote:

> I want to run a particular daemon as userid nobody.  I tried the
> obvious thing of using su like this:
>
> su -c nobody nobody /usr/local/bin/food
>
> but no matter what I try, I cannot get something like this to work.
>
> Is there some standard way to do this other than writing a C program
> wrapper myself?  I see something called "jail" but that seems a bit
> heafty, it looks like I would have to install a complete version of
> freebsd in some directory practically creating a virtual machine.
>
> Surely there must be some simple way to do run a program as nobody,
> maybe chrooted as well?

The format would be:

su nobody -c /path/to/command

If you want it chroot'd I think you're safe doing:

chroot /new/root su nobody -c /path/to/command/relative/to/new/root

I believe you'd need "su" in your /new/root, too.


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