source: BOOK/boot/common/settingenviron.xml@ 08fa163

clfs-1.2 clfs-2.1 clfs-3.0.0-systemd clfs-3.0.0-sysvinit systemd sysvinit
Last change on this file since 08fa163 was 3f76cac, checked in by Jim Gifford <clfs@…>, 18 years ago

r4227@server: jim | 2006-07-01 23:46:16 -0700
More LFS to CLFS Updates

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File size: 1.6 KB
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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-settingenviron">
9 <?dbhtml filename="settingenvironment.html"?>
10
11 <title>Setting Up the Environment</title>
12
13 <para>The new instance of the shell that will start when the system is booted is a <emphasis>login</emphasis>
14 shell, which will read <filename>.bash_profile</filename> file. Create the
15 <filename>.bash_profile</filename> file now:</para>
16
17<screen><userinput>cat &gt; ${CLFS}/root/.bash_profile &lt;&lt; "EOF"
18<literal>set +h
19PS1='\u:\w\$ '
20LC_ALL=POSIX
21PATH=/bin:/usr/bin:/sbin:/usr/sbin:/tools/bin:/tools/sbin
22export LC_ALL PATH PS1</literal>
23EOF</userinput></screen>
24
25 <para>The <envar>LC_ALL</envar> variable controls the localization of
26 certain programs, making their messages follow the conventions of a
27 specified country.
28 Setting <envar>LC_ALL</envar> to <quote>POSIX</quote> or <quote>C</quote>
29 (the two are equivalent) ensures that everything will work as expected
30 on your temporary system.</para>
31
32 <para>By putting <filename class="directory">/tools/bin</filename> at
33 the end of the standard <envar>PATH</envar>, all the programs installed in
34 <xref linkend="chapter-temp-system"/> are only picked up by the shell
35 if they have not yet been built on the target system. This configuration
36 forces use of the final system binaries as they are built over the
37 temp-system, minimising the chance of final system programs being built
38 against the temp-system.</para>
39
40</sect1>
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