From mboxrd@z Thu Jan 1 00:00:00 1970 From: Joshua Branson Subject: Re: Supergrub2disk helped me to have the choice at startup Date: Sat, 19 Jan 2019 11:14:46 -0500 Message-ID: <87h8e4pqtl.fsf@dismail.de> References: <1441094001.-1621283511.1547755962837.JavaMail.root@zimbra49-e8.priv.proxad.net> Mime-Version: 1.0 Content-Type: text/plain Return-path: Received: from eggs.gnu.org ([209.51.188.92]:59490) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gktGt-0000Xf-Dd for help-guix@gnu.org; Sat, 19 Jan 2019 11:15:00 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gktGr-0005Uj-LU for help-guix@gnu.org; Sat, 19 Jan 2019 11:14:59 -0500 Received: from dismail.de ([78.46.223.134]:21963) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1gktGp-0005I5-GP for help-guix@gnu.org; Sat, 19 Jan 2019 11:14:57 -0500 Received: from dismail.de (localhost [127.0.0.1]) by dismail.de (OpenSMTPD) with ESMTP id 95826cec for ; Sat, 19 Jan 2019 17:14:50 +0100 (CET) Received: from smtp2.dismail.de (10.240.26.12 [10.240.26.12]) by mx1.dismail.de (OpenSMTPD) with ESMTP id 78aac50b for ; Sat, 19 Jan 2019 17:14:50 +0100 (CET) Received: from smtp2.dismail.de (localhost [127.0.0.1]) by smtp2.dismail.de (OpenSMTPD) with ESMTP id 998c31c5 for ; Sat, 19 Jan 2019 17:14:50 +0100 (CET) Received: by dismail.de (OpenSMTPD) with ESMTPSA id d96e654e (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256:NO) for ; Sat, 19 Jan 2019 17:14:49 +0100 (CET) In-Reply-To: <1441094001.-1621283511.1547755962837.JavaMail.root@zimbra49-e8.priv.proxad.net> (hub lombard's message of "Thu, 17 Jan 2019 21:12:42 +0100 (CET)") List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: help-guix-bounces+gcggh-help-guix=m.gmane.org@gnu.org Sender: "Help-Guix" To: help-guix@gnu.org hub.lombard@free.fr writes: > Hi Guix :) > > A few days ago, I managed to install GuixSD 0.16 next to debian testing on a Packard Bell 'EasyNote TE' laptop. > At reboot, Grub only offers GuixSD. > To have the choice at startup, I used the 'supergrub2disk' that I downloaded and put on a USB key, positioned as the first boot device. > SuperGRUB2disk gives me the choice between GuixSD and debian, and I can start either one without any problem. > > For now, I keep the USB key inserted in the computer and everything is fine, having nevertheless planned to address the problem of the restoration of GRUB. Hello, Guix actually supports dual booting. (menu-entry (label "The Other Distro") (linux "/boot/old/vmlinux-2.6.32") (linux-arguments '("root=/dev/sda2")) (initrd "/boot/old/initrd")) You can read the relevant information in the guix manual. The chapter is titled: 6.2.12 Bootloader Configuration. > > Would someone have a track that would enlighten me a bit? > > The GRUB originally installed on debian was on /dev/sda1 > > I installed GuixSD on /dev/sda6 (my-root). As a result, the new GRUB is also on /dev/sda6. In 'config.scm', the bootloader points to /dev/sda > > (bootloader (grub-configuration (target "/dev/sda"))) > (file-systems (cons (file-system > (device "my-root") > (title 'label) > (mount-point "/") > (type "ext4")) > %base-file-systems)) > > Apart from this issue, I will focus on the importance of supergrub2disk in the case of an installation, especially for an end user like me. > > The first time it was after the installation of GuixSD 0.14 on my other laptop, it had worked as well and GRUB had been easy to restore. > > https://www.supergrubdisk.org/category/download/supergrub2diskdownload/ > > Hoping it could be useful to other people ... > > Thank you in advance for your advice > > Hubert > -- Joshua Branson Sent from Emacs and Gnus