From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from lists.gentoo.org (pigeon.gentoo.org [208.92.234.80]) by finch.gentoo.org (Postfix) with ESMTP id 7B3B51381F3 for ; Tue, 3 Sep 2013 21:20:23 +0000 (UTC) Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id 86189E13A9; Tue, 3 Sep 2013 21:20:19 +0000 (UTC) Received: from smtp.gentoo.org (smtp.gentoo.org [140.211.166.183]) (using TLSv1 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by pigeon.gentoo.org (Postfix) with ESMTPS id 44953E0CA8 for ; Tue, 3 Sep 2013 21:20:18 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp.gentoo.org (Postfix) with ESMTP id 67F1333E9AA for ; Tue, 3 Sep 2013 21:20:17 +0000 (UTC) X-Virus-Scanned: by amavisd-new using ClamAV at gentoo.org X-Spam-Flag: NO X-Spam-Score: -2.341 X-Spam-Level: X-Spam-Status: No, score=-2.341 tagged_above=-999 required=5.5 tests=[AWL=-1.111, DKIM_ADSP_CUSTOM_MED=0.001, FREEMAIL_FROM=0.001, NML_ADSP_CUSTOM_MED=1.2, RP_MATCHES_RCVD=-2.43, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001] autolearn=unavailable Received: from smtp.gentoo.org ([IPv6:::ffff:127.0.0.1]) by localhost (smtp.gentoo.org [IPv6:::ffff:127.0.0.1]) (amavisd-new, port 10024) with ESMTP id ADQ7M91UWYjO for ; Tue, 3 Sep 2013 21:20:11 +0000 (UTC) Received: from plane.gmane.org (plane.gmane.org [80.91.229.3]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.gentoo.org (Postfix) with ESMTPS id 5FD3933DACA for ; Tue, 3 Sep 2013 21:20:09 +0000 (UTC) Received: from list by plane.gmane.org with local (Exim 4.69) (envelope-from ) id 1VGy15-0004mV-Id for gentoo-user@gentoo.org; Tue, 03 Sep 2013 23:20:03 +0200 Received: from dsl.comtrol.com ([64.122.56.22]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Tue, 03 Sep 2013 23:20:03 +0200 Received: from grant.b.edwards by dsl.comtrol.com with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Tue, 03 Sep 2013 23:20:03 +0200 X-Injected-Via-Gmane: http://gmane.org/ To: gentoo-user@lists.gentoo.org From: Grant Edwards Subject: [gentoo-user] Re: Install from USB stick; here's how Date: Tue, 3 Sep 2013 21:19:08 +0000 (UTC) Message-ID: References: <20130107030508.GA22701@waltdnes.org> <52264BA2.6070004@gmail.com> X-Complaints-To: usenet@ger.gmane.org X-Gmane-NNTP-Posting-Host: dsl.comtrol.com User-Agent: slrn/1.0.1 (Linux) 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 X-Archives-Salt: 0447fd69-7276-4873-b042-82bcd8c0abae X-Archives-Hash: cca03ebf73a51a9b9c469cee7c11fc23 On 2013-09-03, Alan McKinnon wrote: > On 03/09/2013 19:05, Grant Edwards wrote: >> On 2013-01-07, Walter Dnes wrote: >> >>> For those of you who don't want to do the tap-dance listed at... >>> http://www.gentoo.org/doc/en/liveusb.xml >>> >>> * My netbook's harddrive is normally /dev/sda, except when I boot from a >>> USB stick. The stick will become /dev/sda and the harddrive becomes >>> /dev/sdb >>> >>> * My desktop's harddrive is also /dev/sda. I took the linux minimal >>> install ISO, ran isohybrid on it, with the command... >>> >>> isohybrid install-x86-minimal-20121213.iso >>> >>> If you don't have isohybrid... >>> >>> emerge sys-boot/syslinux >>> >>> * I then copied it over to a USB stick (/dev/sdb) with the command... >>> >>> dd bs=4M if=install-x86-minimal-20121213.iso of=/dev/sdb >> >> I did a 64-bit install from USB flash-drive a few days ago using the >> older tap-dance, and it worked fine -- except I discovered one of my >> "must have" apps is 32-bit only and didn't work correctly when run in >> 32-bit emulation mode (I don't know why). >> >> So I tried Walter's recipe yesterday to do a 32-bit install. >> >> After running the isohybrid command, I compared the resulting image >> with the original. They were identical. I copied the image to a USB >> flash drive, and it booted just fine. >> >> It seems that the minimal install .iso images are already built for >> hybrid booting from either CD or a generic block device (e.g. USB >> mass-storage device). >> >> So what's the deal with http://wiki.gentoo.org/wiki/LiveUSB/HOWTO? >> >> Why isn't it just the steps below? >> >> 1) Copy the minimal install .iso to USB mass storage device. >> >> 2) Boot from USB mass storage device. > > Copying an .iso to a USB stick does not give you a bootable USB > stick. It does for recent Gentoo minimial install .iso images. > It gives you a USB stick with one large file, without bootloader, and > the BIOS code can't make sense of it. All my machines seem to. > USB mass storage devices are not CDs, you can't just dd an ISO9660 > image to a USB stick and expect it to work But it _does_ work. I tried it with a couple different minimal install .iso files and a couple different machines. -- Grant Edwards grant.b.edwards Yow! What's the MATTER at Sid? ... Is your BEVERAGE gmail.com unsatisfactory?