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 1S1MRz-0007Y7-TQ for garchives@archives.gentoo.org; Sat, 25 Feb 2012 18:34:32 +0000 Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id C3F0EE0D9A; Sat, 25 Feb 2012 18:34:08 +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 A5DF8E0D6C for ; Sat, 25 Feb 2012 18:32:21 +0000 (UTC) Received: by eaak14 with SMTP id k14so1468967eaa.40 for ; Sat, 25 Feb 2012 10:32:20 -0800 (PST) Received-SPF: pass (google.com: domain of emailgrant@gmail.com designates 10.14.29.6 as permitted sender) client-ip=10.14.29.6; Authentication-Results: mr.google.com; spf=pass (google.com: domain of emailgrant@gmail.com designates 10.14.29.6 as permitted sender) smtp.mail=emailgrant@gmail.com; dkim=pass header.i=emailgrant@gmail.com Received: from mr.google.com ([10.14.29.6]) by 10.14.29.6 with SMTP id h6mr4143433eea.119.1330194740968 (num_hops = 1); Sat, 25 Feb 2012 10:32:20 -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=j3eKHvHUXdor8YbpDxGtDvijIZEA7+7NBjaToCpwiqA=; b=uMddbm5KgX/q9VyERMpRbaWiJqZ0ceIR6ZQeTt8E1gyb0AMWTuA5aEV0eutHt+HvGm z09IVdoT1drrmECoFFtn8+kZq2uhKi86LNYytuu1wwqkpBt3SQvjB1NwsNOvLUTwkFL/ nyNJq75pXXUtzF1OpTO03/AAEqlLjtp2LwipI= 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 10.14.29.6 with SMTP id h6mr3121877eea.119.1330194740837; Sat, 25 Feb 2012 10:32:20 -0800 (PST) Received: by 10.213.113.148 with HTTP; Sat, 25 Feb 2012 10:32:20 -0800 (PST) In-Reply-To: <20120225095751.7ad3d9d6@gmail.com> References: <20120225095751.7ad3d9d6@gmail.com> Date: Sat, 25 Feb 2012 10:32:20 -0800 Message-ID: Subject: Re: [gentoo-user] Re: Safe way to test a new kernel? From: Grant To: Gentoo mailing list Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable X-Archives-Salt: 901a6c1f-d428-4379-9d49-4f0a8109b214 X-Archives-Hash: 15bb3b7477b173bf332c9986b1be2b10 >> >> I need to test a kernel config change on a remote system. =A0Is >> >> there 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-only mode. There, 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 >> > > Don't do that if you don't have some tool like KVM, or other remote > management of the server. Or if it is available in the data center, > just call them and order this service for the time you need to do > updates. > > This is why I don't use gentoo on servers any more, just because > I rather stay safe than sorry. How is another distro different in this situation? - Grant > But if you really need to do that (and you don't have any chance to > get KVM attached), just create an virtual machine with backup of your > server and test that kernel there, and check that you have all the > modules you need on the server. But this is the last thing I would do. > > > Good luck, > Robert.