source: BOOK/chroot/common/pwdgroup.xml@ 7ee340e4

clfs-1.2 clfs-2.1 clfs-3.0.0-systemd clfs-3.0.0-sysvinit systemd sysvinit
Last change on this file since 7ee340e4 was e2418ac, checked in by Chris Staub <chris@…>, 18 years ago

Fixed text issue in chroot section

  • Property mode set to 100644
File size: 3.9 KB
RevLine 
[3f8be484]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-chroot-pwdgroup">
9 <?dbhtml filename="pwdgroup.html"?>
10
11 <title>Creating the passwd, group, and log Files</title>
12
13 <indexterm zone="ch-chroot-pwdgroup">
14 <primary sortas="e-/etc/passwd">/etc/passwd</primary>
15 </indexterm>
16
17 <indexterm zone="ch-chroot-pwdgroup">
18 <primary sortas="e-/etc/group">/etc/group</primary>
19 </indexterm>
20
21 <indexterm zone="ch-chroot-pwdgroup">
22 <primary sortas="e-/var/run/utmp">/var/run/utmp</primary>
23 </indexterm>
24
25 <indexterm zone="ch-chroot-pwdgroup">
26 <primary sortas="e-/var/log/btmp">/var/log/btmp</primary>
27 </indexterm>
28
29 <indexterm zone="ch-chroot-pwdgroup">
30 <primary sortas="e-/var/log/lastlog">/var/log/lastlog</primary>
31 </indexterm>
32
33 <indexterm zone="ch-chroot-pwdgroup">
34 <primary sortas="e-/var/log/wtmp">/var/log/wtmp</primary>
35 </indexterm>
36
[934e597]37 <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
38 href="../../boot/common/pwdgroup.xml"
39 xpointer="xpointer(//*[@os='a'])"/>
40
[3f8be484]41 <para>Create the <filename>/etc/passwd</filename> file by running the
42 following command:</para>
43
44<screen><userinput>cat &gt; /etc/passwd &lt;&lt; "EOF"
[65018363]45<literal>root:x:0:0:root:/root:/bin/bash</literal>
[3f8be484]46EOF</userinput></screen>
47
[934e597]48 <para os="b">The actual password for
[b2011e5]49 <systemitem class="username">root</systemitem> (the <quote>x</quote>
50 used here is just a placeholder) will be set later.</para>
[3f8be484]51
[65018363]52 <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
53 href="../../boot/common/pwdgroup.xml"
[934e597]54 xpointer="xpointer(//*[@os='c'])"/>
[65018363]55
[3f8be484]56 <para>Create the <filename>/etc/group</filename> file by running the
57 following command:</para>
58
59<screen><userinput>cat &gt; /etc/group &lt;&lt; "EOF"
[65018363]60<literal>root:x:0:
61bin:x:1:
62sys:x:2:
63kmem:x:3:
64tty:x:4:
65tape:x:5:
66daemon:x:6:
67floppy:x:7:
68disk:x:8:
69lp:x:9:
70dialout:x:10:
71audio:x:11:
72video:x:12:
73utmp:x:13:
74usb:x:14:
75cdrom:x:15:</literal>
[3f8be484]76EOF</userinput></screen>
77
78 <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
79 href="../../boot/common/pwdgroup.xml"
[934e597]80 xpointer="xpointer(//*[@os='d'])"/>
[65018363]81
82 <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
83 href="../../boot/common/pwdgroup.xml"
[934e597]84 xpointer="xpointer(//*[@os='e'])"/>
[65018363]85
[3f8be484]86 <para>To remove the <quote>I have no name!</quote> prompt, start a
87 new shell. Since a full Glibc was installed in <xref
88 linkend="chapter-cross-tools"/> and the <filename>/etc/passwd</filename>
89 and <filename>/etc/group</filename> files have been created, user name
90 and group name resolution will now work.</para>
91
[0f3854e]92<screen role="nodump"><userinput>exec /tools/bin/bash --login +h</userinput></screen>
[3f8be484]93
94 <para>Note the use of the <parameter>+h</parameter> directive. This tells
95 <command>bash</command> not to use its internal path hashing. Without this
96 directive, <command>bash</command> would remember the paths to binaries it
97 has executed. To ensure the use of the newly compiled binaries as soon as
98 they are installed, the <parameter>+h</parameter> directive will be used
99 for the duration of the nexts chapters.</para>
100
101 <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
102 href="../../boot/common/pwdgroup.xml"
[e2418ac]103 xpointer="xpointer(//*[@os='f'])"/>
[3f8be484]104
105<screen><userinput>touch /var/run/utmp /var/log/{btmp,lastlog,wtmp}
[94e6142]106chgrp -v utmp /var/run/utmp /var/log/lastlog
107chmod -v 664 /var/run/utmp /var/log/lastlog
108chmod -v 600 /var/log/btmp</userinput></screen>
[3f8be484]109
110 <para>The <filename>/var/run/utmp</filename> file records the users that
111 are currently logged in. The <filename>/var/log/wtmp</filename> file records
112 all logins and logouts. The <filename>/var/log/lastlog</filename> file
113 records when each user last logged in. The <filename>/var/log/btmp</filename>
114 file records the bad login attempts.</para>
115
116</sect1>
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