From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from pigeon.gentoo.org ([208.92.234.80] helo=lists.gentoo.org) by finch.gentoo.org with esmtp (Exim 4.60) (envelope-from ) id 1S1MTa-00080p-I4 for garchives@archives.gentoo.org; Sat, 25 Feb 2012 18:36:10 +0000 Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id 2CABCE0959; Sat, 25 Feb 2012 18:35:17 +0000 (UTC) Received: from mail-ey0-f181.google.com (mail-ey0-f181.google.com [209.85.215.181]) by pigeon.gentoo.org (Postfix) with ESMTP id 2B22AE0D81 for ; Sat, 25 Feb 2012 18:33:09 +0000 (UTC) Received: by eaak14 with SMTP id k14so1469331eaa.40 for ; Sat, 25 Feb 2012 10:33:09 -0800 (PST) Received-SPF: pass (google.com: domain of emailgrant@gmail.com designates 10.14.132.203 as permitted sender) client-ip=10.14.132.203; Authentication-Results: mr.google.com; spf=pass (google.com: domain of emailgrant@gmail.com designates 10.14.132.203 as permitted sender) smtp.mail=emailgrant@gmail.com; dkim=pass header.i=emailgrant@gmail.com Received: from mr.google.com ([10.14.132.203]) by 10.14.132.203 with SMTP id o51mr4175700eei.76.1330194789506 (num_hops = 1); Sat, 25 Feb 2012 10:33:09 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type:content-transfer-encoding; bh=qs2QH9k0BoOtBhvMPXfY6lHB2cLXDJaJDDxziPvtl5Y=; b=flg3EMTiXYVtr0tYpWk9NsfGX/TM7wk/q2YXpaSw1eA0wSrMx10CjfnqmxvlLz8hrB /uWNYiqQ6XE7Bhnub7IPjA06LQW9mtjqqJ81B3RG8KUTb8z1G6QXtuMJs/Nmbcx5xaII MnBP98f5EWZO7KpgpVTSCzOFEuFUaEtAhdodk= Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-user@lists.gentoo.org Reply-to: gentoo-user@lists.gentoo.org MIME-Version: 1.0 Received: by 10.14.132.203 with SMTP id o51mr3145814eei.76.1330194789403; Sat, 25 Feb 2012 10:33:09 -0800 (PST) Received: by 10.213.113.148 with HTTP; Sat, 25 Feb 2012 10:33:09 -0800 (PST) In-Reply-To: <201202251218.59928.michaelkintzios@gmail.com> References: <201202251218.59928.michaelkintzios@gmail.com> Date: Sat, 25 Feb 2012 10:33:09 -0800 Message-ID: Subject: Re: [gentoo-user] Re: Safe way to test a new kernel? From: Grant To: gentoo-user@lists.gentoo.org Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable X-Archives-Salt: 801240b6-46a2-456d-be5b-73f11f212e64 X-Archives-Hash: 0141cecef670895e8233a873d4cf0237 >> > >> I need to test a kernel config change on a remote system. =A0Is the= re a >> > >> safe way to do this? =A0The fallback thing in grub has never worked= for >> > >> me. =A0When does that ever work? >> > > >> > > You can press ESC in the Grub screen and it will take you to text-on= ly >> >> mode. >> >> > > =A0There, you select an entry, press "e" and edit it. =A0Press ENTER= when >> >> you're >> >> > > finished, and then press "b" to boot your modified entry. >> > > >> > > That way, you can boot whatever kernel you want if the current one >> >> doesn't >> >> > > work. >> > >> > I can't do that remotely though. =A0I'm probably asking for something >> > that doesn't exist. >> > >> > - Grant >> >> Situations like these that made me decide with great conviction to alway= s >> deploy my servers virtualized, even if the box in question will only hos= t a >> single VM. >> >> Now, if I lost my intelligence for a couple of seconds and somehow ended= up >> with a VM that's no longer accessible remotely, I just connect to the >> virtual console. >> >> The flip side? Now I'm getting too daring/careless, and the uptime now >> drops below my (self-imposed) target of 99.99% :-P > > What do you do when you need to upgrade the host, rather than the guest? > > -- > Regards, > Mick Exactly. - Grant