Date: Thu, 18 Feb 2010 20:29:26 +0100 From: Andreas Nilsson <andrnils@gmail.com> To: Mark Linimon <linimon@lonesome.com> Cc: freebsd-jail@freebsd.org Subject: Re: Emulating different versions of FreeBSD Message-ID: <e31a2e1002181129u274a1edeu1d2a1856b3f50c57@mail.gmail.com> In-Reply-To: <20100218172634.GA28262@lonesome.com> References: <e31a2e1002180754u20c52ff5xd3e34ccd19ba1d98@mail.gmail.com> <20100218172634.GA28262@lonesome.com>
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On Thu, Feb 18, 2010 at 6:26 PM, Mark Linimon <linimon@lonesome.com> wrote: > On Thu, Feb 18, 2010 at 04:54:08PM +0100, Andreas Nilsson wrote: > > Could the jail architecture be used to run/emulate different versions of > > FreeBSD on the same machine? > > portmgr does that on the package build machines all the time. AFAIK we > don't do anything special to the kernel/userland we run in the jails. > > Of course, you need to make sure that what's in the jail is no newer than > the native kernel/userland. > > mcl > Ok, that sounds great. Thanks for the swift response. So building for example lsof in a 7.1 jail on a 8.0 host will report it being built on 7.1-RELEASE-pX? Does it also work to run a 32-bit jail on a 64-bit host? /Andreas
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