From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Thomas Schmitt" Subject: Re: ISO installer image: GPT versus MBR partitions Date: Sat, 20 Apr 2019 16:23:49 +0200 Message-ID: <5890673054793140478@scdbackup.webframe.org> References: <32660673065364621040@scdbackup.webframe.org> Content-Type: text/plain; charset="utf-8" Return-path: Received: from eggs.gnu.org ([209.51.188.92]:39715) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hHqsH-0007JR-5j for guix-devel@gnu.org; Sat, 20 Apr 2019 10:21:49 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hHqsE-0000Tk-9l for guix-devel@gnu.org; Sat, 20 Apr 2019 10:21:47 -0400 In-Reply-To: <32660673065364621040@scdbackup.webframe.org> List-Id: "Development of GNU Guix and the GNU System distribution." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: guix-devel-bounces+gcggd-guix-devel=m.gmane.org@gnu.org Sender: "Guix-devel" To: bug-xorriso@gnu.org Cc: guix-devel@gnu.org Hi, i wrote: > To kill table entry 1 after having put the Guix EFI image back into > partition 2 of the USB stick: > > dd if=/dev/zero bs=1 count=16 seek=446 of=/dev/sdc1 Of course i meant of=/dev/sdc2 The 16 bytes written to /dev/sdc1 would deface the GPT's "protective" MBR and thus make the GPT invalid. Have a nice day :) Thomas