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1<?xml version='1.0' encoding='UTF-8'?> 1<?xml version='1.0' encoding='UTF-8'?>
2<!DOCTYPE sections SYSTEM "/dtd/book.dtd"> 2<!DOCTYPE sections SYSTEM "/dtd/book.dtd">
3 3
4<!-- The content of this document is licensed under the CC-BY-SA license --> 4<!-- The content of this document is licensed under the CC-BY-SA license -->
5<!-- See http://creativecommons.org/licenses/by-sa/2.5 --> 5<!-- See http://creativecommons.org/licenses/by-sa/2.5 -->
6 6
7<!-- $Header: /var/cvsroot/gentoo/xml/htdocs/doc/en/handbook/hb-install-config.xml,v 1.101 2009/08/05 15:25:23 nightmorph Exp $ --> 7<!-- $Header: /var/cvsroot/gentoo/xml/htdocs/doc/en/handbook/hb-install-config.xml,v 1.102 2010/05/14 22:32:52 nightmorph Exp $ -->
8 8
9<sections> 9<sections>
10 10
11<abstract> 11<abstract>
12You need to edit some important configuration files. In this chapter 12You need to edit some important configuration files. In this chapter
13you receive an overview of these files and an explanation on how to 13you receive an overview of these files and an explanation on how to
14proceed. 14proceed.
15</abstract> 15</abstract>
16 16
17<version>9.4</version> 17<version>9.5</version>
18<date>2009-08-05</date> 18<date>2010-05-14</date>
19 19
20<section> 20<section>
21<title>Filesystem Information</title> 21<title>Filesystem Information</title>
22<subsection> 22<subsection>
23<title>What is fstab?</title> 23<title>What is fstab?</title>
24<body> 24<body>
25 25
26<p> 26<p>
27Under Linux, all partitions used by the system must be listed in 27Under Linux, all partitions used by the system must be listed in
28<path>/etc/fstab</path>. This file contains the mount points of those partitions 28<path>/etc/fstab</path>. This file contains the mount points of those partitions
29(where they are seen in the file system structure), how they should be mounted 29(where they are seen in the file system structure), how they should be mounted
30and with what special options (automatically or not, whether users can mount 30and with what special options (automatically or not, whether users can mount
31them or not, etc.) 31them or not, etc.)
32</p> 32</p>
33 33
115Add the rules that match your partitioning scheme and append rules for 115Add the rules that match your partitioning scheme and append rules for
116your CD-ROM drive(s), and of course, if you have other partitions or drives, 116your CD-ROM drive(s), and of course, if you have other partitions or drives,
117for those too. 117for those too.
118</p> 118</p>
119 119
120<p> 120<p>
121Now use the <e>example</e> below to create your <path>/etc/fstab</path>: 121Now use the <e>example</e> below to create your <path>/etc/fstab</path>:
122</p> 122</p>
123 123
124<pre caption="A full /etc/fstab example" test="func:keyval('arch')='HPPA'"> 124<pre caption="A full /etc/fstab example" test="func:keyval('arch')='HPPA'">
125<keyval id="/boot"/> /boot ext2 defaults,noatime 1 2 125<keyval id="/boot"/> /boot ext2 defaults,noatime 1 2
126/dev/sda3 none swap sw 0 0 126/dev/sda3 none swap sw 0 0
127/dev/sda4 / ext3 noatime 0 1 127/dev/sda4 / ext3 noatime 0 1
128 128
129/dev/cdrom /mnt/cdrom auto noauto,user 0 0 129/dev/cdrom /mnt/cdrom auto noauto,user 0 0
130
131proc /proc proc defaults 0 0
132shm /dev/shm tmpfs nodev,nosuid,noexec 0 0
130</pre> 133</pre>
131 134
132<pre caption="A full /etc/fstab example" test="func:keyval('arch')='Alpha' or func:keyval('arch')='MIPS' or func:keyval('arch')='x86' or func:keyval('arch')='AMD64'"> 135<pre caption="A full /etc/fstab example" test="func:keyval('arch')='Alpha' or func:keyval('arch')='MIPS' or func:keyval('arch')='x86' or func:keyval('arch')='AMD64'">
133<keyval id="/boot"/> /boot ext2 defaults,noatime 1 2 136<keyval id="/boot"/> /boot ext2 defaults,noatime 1 2
134/dev/sda2 none swap sw 0 0 137/dev/sda2 none swap sw 0 0
135/dev/sda3 / ext3 noatime 0 1 138/dev/sda3 / ext3 noatime 0 1
136 139
137/dev/cdrom /mnt/cdrom auto noauto,user 0 0 140/dev/cdrom /mnt/cdrom auto noauto,user 0 0
141
142proc /proc proc defaults 0 0
143shm /dev/shm tmpfs nodev,nosuid,noexec 0 0
138</pre> 144</pre>
139 145
140<pre caption="A full /etc/fstab example" test="func:keyval('arch')='SPARC'"> 146<pre caption="A full /etc/fstab example" test="func:keyval('arch')='SPARC'">
141/dev/sda1 / ext3 noatime 0 1 147/dev/sda1 / ext3 noatime 0 1
142/dev/sda2 none swap sw 0 0 148/dev/sda2 none swap sw 0 0
143/dev/sda4 /usr ext3 noatime 0 2 149/dev/sda4 /usr ext3 noatime 0 2
144/dev/sda5 /var ext3 noatime 0 2 150/dev/sda5 /var ext3 noatime 0 2
145/dev/sda6 /home ext3 noatime 0 2 151/dev/sda6 /home ext3 noatime 0 2
146 152
147<comment># You must add the rules for openprom</comment> 153<comment># You must add the rules for openprom</comment>
148openprom /proc/openprom openpromfs defaults 0 0 154openprom /proc/openprom openpromfs defaults 0 0
149 155
150/dev/cdrom /mnt/cdrom auto noauto,user 0 0 156/dev/cdrom /mnt/cdrom auto noauto,user 0 0
157
158proc /proc proc defaults 0 0
159shm /dev/shm tmpfs nodev,nosuid,noexec 0 0
151</pre> 160</pre>
152 161
153<pre caption="A full /etc/fstab example" test="func:keyval('arch')='PPC' or 162<pre caption="A full /etc/fstab example" test="func:keyval('arch')='PPC' or
154func:keyval('arch')='PPC64'"> 163func:keyval('arch')='PPC64'">
155/dev/sda4 / ext3 noatime 0 1 164/dev/sda4 / ext3 noatime 0 1
156/dev/sda3 none swap sw 0 0 165/dev/sda3 none swap sw 0 0
157 166
158/dev/cdrom /mnt/cdrom auto noauto,user 0 0 167/dev/cdrom /mnt/cdrom auto noauto,user 0 0
168
169proc /proc proc defaults 0 0
170shm /dev/shm tmpfs nodev,nosuid,noexec 0 0
159</pre> 171</pre>
160 172
161<p> 173<p>
162<c>auto</c> makes <c>mount</c> guess for the filesystem (recommended for 174<c>auto</c> makes <c>mount</c> guess for the filesystem (recommended for
163removable media as they can be created with one of many filesystems) and 175removable media as they can be created with one of many filesystems) and
164<c>user</c> makes it possible for non-root users to mount the CD. 176<c>user</c> makes it possible for non-root users to mount the CD.
165</p> 177</p>
166 178
167<p> 179<p>
168To improve performance, most users would want to add the <c>noatime</c> 180To improve performance, most users would want to add the <c>noatime</c>
169mount option, which results in a faster system since access times 181mount option, which results in a faster system since access times
170aren't registered (you don't need those generally anyway). 182aren't registered (you don't need those generally anyway).
171</p> 183</p>
172 184
173<p> 185<p>

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