source: BOOK/materials/common/introduction.xml @ cad2ff2

clfs-2.1
Last change on this file since cad2ff2 was cad2ff2, checked in by William Harrington <kb0iic@…>, 6 years ago

Prepare for 2.1.0 release.

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1<?xml version="1.0" encoding="ISO-8859-1"?>
2<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
3  "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
4  <!ENTITY % general-entities SYSTEM "../../general.ent">
5  %general-entities;
6]>
7
8<sect1 id="ch-materials-introduction">
9  <?dbhtml filename="introduction.html"?>
10
11  <title>Introduction</title>
12
13  <para>This chapter includes a list of packages that need to be downloaded
14  for building a basic Linux system. The listed version numbers correspond
15  to versions of the software that are known to work, and this book is based
16  on their use. We highly recommend not using newer versions because the
17  build commands for one version may not work with a newer version. The
18  newest package versions may also have problems that require work-arounds.
19  These work-arounds will be developed and stabilized in the development
20  version of the book.</para>
21
22  <para>Download locations may not always be accessible. If a download
23  location has changed since this book was published, Google (<ulink
24  url="http://www.google.com/"/>) provides a useful search engine for
25  most packages. If this search is unsuccessful, try one of the
26  alternative means of downloading discussed at <ulink
27  url="&packages-root;"/>.</para>
28
29  <para>Create a directory called
30  <filename class="directory">${CLFS}/sources</filename> and use it to store
31  your sources and patches. All packages should be compiled there as well.
32  Using any other location for compiling may have unexpected results.</para>
33
34  <para>To create this directory, execute, as user <systemitem
35  class="username">root</systemitem>, the following command before
36  starting the download session:</para>
37
38<screen><userinput>mkdir -v ${CLFS}/sources</userinput></screen>
39
40  <para>Make this directory writable and sticky. When a directory is
41  marked <quote>sticky</quote>, that means that even if multiple users have
42  write permission on that directory, any file within that directory can only be
43  deleted or modified by its owner. The following command will enable the
44  write and sticky modes:</para>
45
46<screen><userinput>chmod -v a+wt ${CLFS}/sources</userinput></screen>
47
48  <para>You can download all needed packages and patches into this directory
49either by using the links on the following pages in this section, or by passing
50the <ulink url="../dl.list">download list</ulink> to <command>wget</command>:</para>
51
52<screen><userinput>wget -i dl.list -P ${CLFS}/sources</userinput></screen>
53
54  <para>Verification of downloaded packages can be done by downloading the
55following MD5 or SHA1 checksum lists:</para>
56
57  <para><ulink url="/files/packages/2.1.0/MD5SUMS">MD5SUMS</ulink>:</para>
58
59<screen><userinput>pushd ${CLFS}/sources
60md5sum -c MD5SUMS
61popd</userinput></screen>
62
63  <para><ulink url="/files/packages/2.1.0/SHA1SUMS">SHA1SUMS</ulink>:</para>
64
65<screen><userinput>pushd ${CLFS}/sources
66md5sum -c SHA1SUMS
67popd</userinput></screen>
68
69</sect1>
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