From owner-freebsd-hackers@FreeBSD.ORG Fri Jul 18 02:32:27 2003 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 0A03D37B401 for ; Fri, 18 Jul 2003 02:32:27 -0700 (PDT) Received: from mailout.informatik.tu-muenchen.de (mailout.informatik.tu-muenchen.de [131.159.0.5]) by mx1.FreeBSD.org (Postfix) with ESMTP id 086E843FA3 for ; Fri, 18 Jul 2003 02:32:26 -0700 (PDT) (envelope-from langd@informatik.tu-muenchen.de) Date: Fri, 18 Jul 2003 11:32:24 +0200 From: Daniel Lang To: Valentin Nechayev Message-ID: <20030718093224.GA2196@atrbg11.informatik.tu-muenchen.de> References: <20030718091248.GO76126@lucky.net> Mime-Version: 1.0 Content-Type: multipart/signed; protocol="application/x-pkcs7-signature"; micalg=sha1; boundary="Nq2Wo0NMKNjxTN9z" Content-Disposition: inline In-Reply-To: <20030718091248.GO76126@lucky.net> X-Geek: GCS/CC d-- s: a- C++$ UBS++++$ P+++$ L- E-(---) W+++(--) N++ o K w--- O? M? V? PS+(++) PE--(+) Y+ PGP+ t++ 5+++ X R+(-) tv+ b+ DI++ D++ G++ e+++ h---(-) r++>+++ y+ User-Agent: Mutt/1.5.1i X-Virus-Scanned: by amavisd-new at informatik.tu-muenchen.de cc: hackers@freebsd.org Subject: Re: complicated downgrade X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 18 Jul 2003 09:32:27 -0000 --Nq2Wo0NMKNjxTN9z Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hi, Valentin Nechayev wrote on Fri, Jul 18, 2003 at 12:12:48PM +0300: [..] > I need to downgrade a remote FreeBSD system from 5.1-release to 4.8-relea= se > remotely without any local help (except possible hitting Reset). > Don't ask why the collocation provider is too ugly and too far from me; i= t's > given and unchangeable. This system never was 4.* (began from 5.0-DP2). [..] I predict, you will need serial console access. Chances are=20 very high, that something even minor goes wrong, such that you cannot login to the box using ssh at some stage. You might still be able to complete the downgrade if you would have console access. People, who can hit the reset button, can also connect two serial ports with a null modem cable. So you should convince somebody to do that. Set up the serial console port on the machine should be feasable remotely without=20 great risks. For the 4.x System you should also provide a kernel with serial console enabled. You chance of success will be much better, as I would see it. Good luck, Daniel --=20 IRCnet: Mr-Spock - All your .sigs are belong to us - Daniel Lang * dl@leo.org * +49 89 289 18532 * http://www.leo.org/~dl/ --Nq2Wo0NMKNjxTN9z Content-Type: application/x-pkcs7-signature Content-Disposition: attachment; filename="smime.p7s" Content-Transfer-Encoding: base64 MIIXgAYJKoZIhvcNAQcCoIIXcTCCF20CAQExCzAJBgUrDgMCGgUAMAsGCSqGSIb3DQEHAaCC FUAwggbMMIIFtKADAgECAgIVezANBgkqhkiG9w0BAQUFADCBpjELMAkGA1UEBhMCREUxETAP BgNVBAcTCE11ZW5jaGVuMSkwJwYDVQQKEyBUZWNobmlzY2hlIFVuaXZlcnNpdGFldCBNdWVu Y2hlbjEiMCAGA1UECxMZRmFrdWx0YWV0IGZ1ZXIgSW5mb3JtYXRpazEYMBYGA1UEAxMPUkJH LUJlbnV0emVyLUNBMRswGQYJKoZIhvcNAQkBFgxjYUBpbi50dW0uZGUwHhcNMDMwNTIwMTIz MTQyWhcNMDQwNTIxMDAwMDAwWjCBqzELMAkGA1UEBhMCREUxETAPBgNVBAcTCE11ZW5jaGVu MSkwJwYDVQQKEyBUZWNobmlzY2hlIFVuaXZlcnNpdGFldCBNdWVuY2hlbjEiMCAGA1UECxMZ RmFrdWx0YWV0IGZ1ZXIgSW5mb3JtYXRpazEUMBIGA1UEAxMLRGFuaWVsIExhbmcxJDAiBgkq hkiG9w0BCQEWFWRhbmllbC5sYW5nQGluLnR1bS5kZTCBnzANBgkqhkiG9w0BAQEFAAOBjQAw 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