From owner-freebsd-jail@freebsd.org  Thu Oct 29 12:19:45 2015
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Date: Thu, 29 Oct 2015 13:19:38 +0100
From: Miroslav Lachman <000.fbsd@quip.cz>
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To: Clint Armstrong <clint@clintarmstrong.net>,
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CC: freebsd-jail@freebsd.org
Subject: Re: /etc/jail.conf documentation?
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Clint Armstrong wrote on 10/29/2015 12:53:
> A little while ago I wrote up an overview of how I build jails using
> jail.conf at http://clinta.github.io/freebsd-jails-the-hard-way/.

I noticed your are using unionfs. Is it working without any problems? 
Every time (in the past) I read that somebody tried it, it always has 
some problems with stability etc.

And what you are using to update / upgrade modified system files in 
thinjail1? (if nullfs ro shared base is updated / upgraded)

Miroslav Lachman