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Date:      Tue, 26 Feb 2002 15:56:31 -0800 (PST)
From:      Patrick Thomas <root@utility.clubscholarship.com>
To:        <freebsd-hackers@freebsd.org>
Cc:        <freebsd-emulation@freebsd.org>
Subject:   Four misc. questions related to jail usage
Message-ID:  <20020226154918.D34815-100000@utility.clubscholarship.com>

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1. Does each jail need to have its own proc filesystem mounted ?  The
original jail documentation says to do that, but I have heard rumors that
this is not necessary.  What is the negative ramifications (if any) to
running a jail without its own seperately mounted proc filesystem ?  (I
have a test machine with ten jails on it, and I have ten extra proc
filesystems mounted - I would like to avoid this if possible..)

2. Does kern.maxproc scale in a linear fashion with maxusers ?

3. is kern.maxvnodes determined automatically based on other settings, or
do I ever have to tune this myself by hand ?

4. Why is it that some linux utilities, run inside a jail, get the
hostname of the host machine, and not the hostname of the jail itself ?  I
am successfully running linux apps in jails by using linux compat on the
host system and running linux.ko, but sometimes these linux apps get the
wrong hostnames....

Thanks!


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