Date: Wed, 28 Oct 2009 08:33:22 +0100 From: "Tonix (Antonio Nati)" <tonix@interazioni.it> To: freebsd-isp@freebsd.org Subject: Re: Jails creation Message-ID: <4AE7F3C2.4030607@interazioni.it> In-Reply-To: <4AE73ED9.5000505@quip.cz> References: <4AE6C7BD.907@interazioni.it> <4AE7232E.2070208@quip.cz> <4AE728F8.7020809@interazioni.it> <4AE73ED9.5000505@quip.cz>
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Miroslav Lachman ha scritto:
> It is not true. Jail command does not requires compilation, nor
> exactly same version. I am running 6.x version jail on system with 7.2
> and you can run 32bit (i386) jail on 64bit (amd64) system.
I did not know, and this is very useful to me also. I supposed, as the
jail kernel is a "fake" kernel, both systems should have the same
version, but if I can mix it's a great opportunity.
> The `jail` command is there just for starting the jail, not for
> building it. The jail even does not need to be a full installed system!
> There are too many different scenarios with jails, that there can not
> be "one command to satisfy them all".
> It is up to administrator to prepare the best environment for his/her
> needs.
>
> If you need the full copy of the base system, you can do it really
> easily (by tar as was suggested by Vincet Hoffman or dump & restore),
> and if you do it for each jail, you loose the benefits of shared
> read-only base directory (you will need more disk space and more memory).
>
> If you do not want to spend some time by compilation, you can install
> the jail from installation media you already have from system install.
>
> cd /some/media/7.2-RELEASE/base
> mkdir /path/to/myjail
> setenv DESTDIR /path/to/myjail
> sh install.sh
>
> That's all! It is too simple in contrast to source build or manually
> copy something from base.
>
Thanks! In this way it is a lot more easier to setup and/or customize.
Tonino
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Inter@zioni Interazioni di Antonio Nati
http://www.interazioni.it tonix@interazioni.it
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