From owner-freebsd-security@FreeBSD.ORG  Sat Aug 30 22:03:55 2008
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Date: Sat, 30 Aug 2008 23:47:46 +0200
From: Martin Tournoij <carpetsmoker@rwxrwxrwx.net>
To: tethys ocean <tethys.ocean@gmail.com>
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Cc: freebsd-security@freebsd.org, freebsd-questions@freebsd.org
Subject: Re: jail stop extracting iso file
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On Sun, Aug 31, 2008 at 12:08:31AM +0300, tethys ocean wrote:
> Hi all
>=20
> In server jail and squid is running on it  as lots of another packet. i w=
ant
> to extract iso image in this server.  But i havent do it.
>=20
> #mdconfig -a -t vnode -f big_bcbcv.iso
> #mdconfig: open(/dev/mdctl): No such file or directory
>=20
> #ls -l /dev/md*
> #ls -ls /dev/mdctl
> ls: /dev/mdctl: No such file or directory
>=20
>=20
> i am not familiar with jail.  only i can extract my iso file. =C4=B0 supp=
ose that
> jail stop me, jail blocking me for access some source
>=20
>=20
> is it true?
>=20
> 1-how can extract this iso file
> 2-is jail stop me?  or any other trouble about my mdctl?

You can use tar to extract iso images, i.e.:
# tar xvf image.iso

You can also use mdconfig, but you must add a devfs rule to add md devices,
i.e.:
add path 'md*' mode 0660

See devfs(8) and devfs.rules(5)

--=20
Martin Tournoij
carpetsmoker@rwxrwxrwx.net
http://www.daemonforums.org

QOTD:
Beware of a tall blond man with one black shoe.