| 1 | <?xml version="1.0" encoding="ISO-8859-1"?>
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| 2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN"
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| 3 | "http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd" [
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| 4 | <!ENTITY % general-entities SYSTEM "../../general.ent">
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| 5 | %general-entities;
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| 6 | ]>
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| 7 |
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| 8 | <sect1 id="ch-boot-devices">
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| 9 | <?dbhtml filename="devices.html"?>
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| 10 |
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| 11 | <title>Populating ${LFS}/dev</title>
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| 12 |
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| 13 | <indexterm zone="ch-boot-devices">
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| 14 | <primary sortas="e-${LFS}/dev/*">${LFS}/dev/*</primary>
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| 15 | </indexterm>
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| 16 |
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| 17 | <sect2>
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| 18 | <title>Creating Initial Device Nodes</title>
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| 19 |
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| 20 | <note os="a">
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| 21 | <para>The commands in the remainder of the book should be run as
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| 22 | the<systemitem class="username">root</systemitem> user. Also,
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| 23 | double-check that $LFS is set as root.</para>
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| 24 | </note>
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| 25 |
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| 26 | <para os="b">When the kernel boots the system, it requires the presence
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| 27 | of a few device nodes, in particular the <filename
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| 28 | class="devicefile">console</filename> and <filename
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| 29 | class="devicefile">null</filename> devices. The device nodes will
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| 30 | be created on the hard disk so that they are available before
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| 31 | <command>udev</command> has been started, and additionally when Linux
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| 32 | is started in single user mode (hence the restrictive permissions on
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| 33 | <filename class="devicefile">console</filename>). Create these by running
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| 34 | the following commands:</para>
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| 35 |
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| 36 | <screen><userinput>mknod -m 600 ${LFS}/dev/console c 5 1
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| 37 | mknod -m 666 ${LFS}/dev/null c 1 3</userinput></screen>
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| 38 |
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| 39 | </sect2>
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| 40 |
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| 41 | </sect1>
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