From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:33815) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XleBh-0004kB-Rz for qemu-devel@nongnu.org; Tue, 04 Nov 2014 08:30:26 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1XleBb-0007Z3-Q2 for qemu-devel@nongnu.org; Tue, 04 Nov 2014 08:30:21 -0500 Received: from mx1.redhat.com ([209.132.183.28]:50351) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XleBb-0007Wj-IH for qemu-devel@nongnu.org; Tue, 04 Nov 2014 08:30:15 -0500 Message-ID: <5458D4E1.3080305@redhat.com> Date: Tue, 04 Nov 2014 14:30:09 +0100 From: Eric Blake MIME-Version: 1.0 References: <201411032004120698212@sangfor.com>, <20141103121421.GE4437@noname.str.redhat.com> <201411032037450771771@sangfor.com> In-Reply-To: <201411032037450771771@sangfor.com> Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="H8dBMwBGgsCGWwN14g1rHXTRMTW6RXvwg" Subject: Re: [Qemu-devel] [question] updating the base image for all clones which havebeen running for months List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Zhang Haoyu , Kevin Wolf Cc: qemu-devel , Stefan Hajnoczi , kvm This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --H8dBMwBGgsCGWwN14g1rHXTRMTW6RXvwg Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable On 11/03/2014 01:37 PM, Zhang Haoyu wrote: >>> Hi, all >>> >>> I used base image A to clone so many vm,=20 >>> after running for months, each vm has its own private applications an= d data, >>> which maybe different from each other. >>> Now, I want to install some applications for all of the clones, >>> what should I do? How would you do it for bare metal? Do the same for your guests. >> >> Install the applications on each clone separately, or use some other >> method to make it available (like installing on a shared network >> resource). >> > Could you detail "installing on a shared network resource"? Set up a network file system, like NFS or gluster, install your software on the shared file system, and then make each guest mount the shared file system in order to use the software. The same as you would on bare metal. --=20 Eric Blake eblake redhat com +1-919-301-3266 Libvirt virtualization library http://libvirt.org --H8dBMwBGgsCGWwN14g1rHXTRMTW6RXvwg Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 Comment: Public key at http://people.redhat.com/eblake/eblake.gpg iQEcBAEBCAAGBQJUWNThAAoJEKeha0olJ0NqK6MH/1AJQxxE32xAlugb/GcYzd4r mRfFXjPKuf71zI6w9Jslm7jAWaCR/KIYEXF2jsDFY+iRXb/zJhPrTWcxuzxoaXNK wflXh4bBo9B+g6smTFvBYEi8Iey89d5vBeImQKeqcdSWhLGtfae6GEAGgGgd4i7D J9Rz0hNTPoNBzI1jHCuxOjGN+60eXv38x45ZFzllWAGSXzqtW+G9LU5+xpLQEIBv fR0S7kdqTYhE3ZwgJQyXpmxH4eEnlpudGFSZHTCfTj7eTsJPhMQqL6+Pbno1Kjl4 4rCgaRA/xadhFJpKMIs4EGSa848tNfARubvImNamSar1tDYDu3GC0PsCx14I5II= =4ZMX -----END PGP SIGNATURE----- --H8dBMwBGgsCGWwN14g1rHXTRMTW6RXvwg--