[bf8c11f] | 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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[c1f1c70] | 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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[2ed9444] | 22 | the <systemitem class="username">root</systemitem> user. Also, |
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[9cb6b64] | 23 | double-check that $CLFS is set as |
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[9f5bc2cc] | 24 | <systemitem class="username">root</systemitem>.</para> |
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[c1f1c70] | 25 | </note> |
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| 26 | |
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| 27 | <para os="b">When the kernel boots the system, it requires the presence |
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[bf8c11f] | 28 | of a few device nodes, in particular the <filename |
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| 29 | class="devicefile">console</filename> and <filename |
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| 30 | class="devicefile">null</filename> devices. The device nodes will |
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| 31 | be created on the hard disk so that they are available before |
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| 32 | <command>udev</command> has been started, and additionally when Linux |
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| 33 | is started in single user mode (hence the restrictive permissions on |
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| 34 | <filename class="devicefile">console</filename>). Create these by running |
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| 35 | the following commands:</para> |
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| 36 | |
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| 37 | <screen><userinput>mknod -m 600 ${LFS}/dev/console c 5 1 |
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| 38 | mknod -m 666 ${LFS}/dev/null c 1 3</userinput></screen> |
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| 39 | |
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| 40 | </sect2> |
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| 41 | |
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| 42 | </sect1> |
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