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Tagged bootdisk.xml

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git-svn-id: svn://svn.linuxfromscratch.org/BLFS/trunk/BOOK@4169 af4574ff-66df-0310-9fd7-8a98e5e911e0
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Manuel Canales Esparcia 2005-05-12 19:54:26 +00:00
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postlfs/config/bootdisk.xml
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]> ]>
<sect1 id="postlfs-config-bootdisk" xreflabel="Creating a Custom Boot Device"> <sect1 id="postlfs-config-bootdisk" xreflabel="Creating a Custom Boot Device">
<sect1info> <?dbhtml filename="bootdisk.html"?>
<othername>$LastChangedBy$</othername>
<date>$Date$</date>
</sect1info>
<?dbhtml filename="bootdisk.html"?>
<title>Creating a Custom Boot Device</title>
<sect2> <sect1info>
<title>Decent Rescue Boot Device Needs</title> <othername>$LastChangedBy$</othername>
<para>This section is really about creating a <emphasis>rescue</emphasis> <date>$Date$</date>
device. As the name <emphasis>rescue</emphasis> implies, the host </sect1info>
system has a problem, often lost partition information or corrupted file
systems, that prevent it from booting and/or operating normally. For
this reason, you <emphasis>must not</emphasis> depend on resources from
the host being "rescued". To presume that any given partition or hard
drive <emphasis>will</emphasis> be available is a risky presumption.</para>
<para>In a modern system, there are many devices that can be <title>Creating a Custom Boot Device</title>
used as a rescue device: floppy, cdrom, usb drive, or even a network card.
Which one you use depends on your hardware and your BIOS. In the past,
we usually thought of rescue device as a floppy disk. Today, many
systems do not even have a floppy drive.</para>
<para>Building a complete rescue device is a challenging task. In many <sect2>
ways, it is equivalent to building an entire <acronym>LFS</acronym> system. <title>Decent Rescue Boot Device Needs</title>
In addition, it would be a repitition of information already available.
For these reasons, the procedures for a rescue device image are not
presented here.</para>
</sect2>
<sect2> <para>This section is really about creating a <emphasis>rescue</emphasis>
<title>Creating a Rescue Floppy</title> device. As the name <emphasis>rescue</emphasis> implies, the host
system has a problem, often lost partition information or corrupted file
systems, that prevent it from booting and/or operating normally. For
this reason, you <emphasis>must not</emphasis> depend on resources from
the host being "rescued". To presume that any given partition or hard
drive <emphasis>will</emphasis> be available is a risky presumption.</para>
<para>The software of today's systems has grown large. Linux 2.6 no longer <para>In a modern system, there are many devices that can be
supports booting directly from a floppy. In spite of this, there are solutions used as a rescue device: floppy, cdrom, usb drive, or even a network card.
available using older version of Linux. One of the best is Tom's Root/Boot Which one you use depends on your hardware and your BIOS. In the past,
Disk available at <ulink url='http://www.toms.net/rb/'/>. This will provide a we usually thought of rescue device as a floppy disk. Today, many
minimal Linux system on a single floppy disk and provides the ability to systems do not even have a floppy drive.</para>
customize the contents of your disk if necessary.</para>
</sect2> <para>Building a complete rescue device is a challenging task. In many
ways, it is equivalent to building an entire <acronym>LFS</acronym> system.
In addition, it would be a repitition of information already available.
For these reasons, the procedures for a rescue device image are not
presented here.</para>
<sect2> </sect2>
<title>Creating a Bootable CD-ROM</title>
<para>There are several sources that can be used for a rescue CD-ROM. <sect2>
Just about any commercial distribution's installation CD-ROMs or <title>Creating a Rescue Floppy</title>
DVDs will work. These include RedHat, Mandrake, and SuSE. One
very popular option is Knoppix.</para>
<para>In addition, the LFS Community has developed its own Boot <para>The software of today's systems has grown large. Linux 2.6 no longer
CD-ROM available at <ulink url='ftp://anduin.linuxfromscratch.org/isos/'/>. supports booting directly from a floppy. In spite of this, there are solutions
A copy of this CD-ROM is available with the printed version of the Linux available using older version of Linux. One of the best is Tom's Root/Boot
From Scratch book. If you download the ISO image, use <xref linkend='cdrecord'/> to Disk available at <ulink url='http://www.toms.net/rb/'/>. This will provide a
copy the image to a CD-ROM.</para> minimal Linux system on a single floppy disk and provides the ability to
customize the contents of your disk if necessary.</para>
<para>In the future, the build instructions for this CD-ROM will be presented, </sect2>
but they are not available at this writing.</para>
</sect2>
<sect2> <sect2>
<title>Creating a Bootable USB Drive</title> <title>Creating a Bootable CD-ROM</title>
<para>A USB Pen drive, sometimes called a Thumb drive, is recognized by Linux as <para>There are several sources that can be used for a rescue CD-ROM.
a SCSI device. Using one of these devices as a rescue device has the advantage Just about any commercial distribution's installation CD-ROMs or
that it is usually large enough to hold more than a minimal boot image. You DVDs will work. These include RedHat, Mandrake, and SuSE. One
can save critical data to the drive as well as use it to diagnose and recover very popular option is Knoppix.</para>
a damaged system. Booting such a drive requires BIOS support, but building the
system consists of formatting the drive, adding <application>grub</application>
as well as the kernel and supporting files.</para>
</sect2> <para>In addition, the LFS Community has developed its own Boot
</sect1> CD-ROM available at <ulink url='ftp://anduin.linuxfromscratch.org/isos/'/>.
A copy of this CD-ROM is available with the printed version of the Linux
From Scratch book. If you download the ISO image, use <xref linkend='cdrecord'/> to
copy the image to a CD-ROM.</para>
<para>In the future, the build instructions for this CD-ROM will be presented,
but they are not available at this writing.</para>
</sect2>
<sect2>
<title>Creating a Bootable USB Drive</title>
<para>A USB Pen drive, sometimes called a Thumb drive, is recognized by Linux as
a SCSI device. Using one of these devices as a rescue device has the advantage
that it is usually large enough to hold more than a minimal boot image. You
can save critical data to the drive as well as use it to diagnose and recover
a damaged system. Booting such a drive requires BIOS support, but building the
system consists of formatting the drive, adding <application>grub</application>
as well as the kernel and supporting files.</para>
</sect2>
</sect1>