source: boot/common/devices.xml@ 806c539

Last change on this file since 806c539 was bf8c11f, checked in by Jim Gifford <clfs@…>, 19 years ago

r627@server (orig r625): jim | 2005-10-31 12:59:34 -0800
Import of Cross-LFS Book

  • Property mode set to 100644
File size: 1.2 KB
Line 
1<?xml version="1.0" encoding="ISO-8859-1"?>
2<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN"
3 "http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd" [
4 <!ENTITY % general-entities SYSTEM "../../general.ent">
5 %general-entities;
6]>
7
8<sect1 id="ch-boot-devices">
9 <?dbhtml filename="devices.html"?>
10
11 <title>Populating ${LFS}/dev</title>
12
13 <indexterm zone="ch-boot-devices">
14 <primary sortas="e-${LFS}/dev/*">${LFS}/dev/*</primary>
15 </indexterm>
16
17 <sect2>
18 <title>Creating Initial Device Nodes</title>
19
20 <para os="a">When the kernel boots the system, it requires the presence
21 of a few device nodes, in particular the <filename
22 class="devicefile">console</filename> and <filename
23 class="devicefile">null</filename> devices. The device nodes will
24 be created on the hard disk so that they are available before
25 <command>udev</command> has been started, and additionally when Linux
26 is started in single user mode (hence the restrictive permissions on
27 <filename class="devicefile">console</filename>). Create these by running
28 the following commands:</para>
29
30<screen><userinput>mknod -m 600 ${LFS}/dev/console c 5 1
31mknod -m 666 ${LFS}/dev/null c 1 3</userinput></screen>
32
33 </sect2>
34
35</sect1>
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