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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 1.86 2006/10/28 09:17:54 neysx Exp $ --> 7<!-- $Header: /var/cvsroot/gentoo/xml/htdocs/doc/en/handbook/hb-install-config.xml,v 1.87 2006/11/02 23:29:27 neysx 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>7.4</version> 17<version>7.5</version>
18<date>2006-10-20</date> 18<date>2006-11-02</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
127<p test="func:keyval('arch')='SPARC'"> 127<p test="func:keyval('arch')='SPARC'">
128Add the rules that match your partitioning schema and append rules for 128Add the rules that match your partitioning schema and append rules for
129<path>/proc/openprom</path>, <path>/proc</path>, <c>tmpfs</c> , for your CD-ROM 129<path>/proc/openprom</path>, <path>/proc</path>, <c>tmpfs</c> , for your CD-ROM
130drive(s), and of course, if you have other partitions or drives, for those too. 130drive(s), and of course, if you have other partitions or drives, for those too.
131</p> 131</p>
132 132
133<p> 133<p>
134Now use the <e>example</e> below to create your <path>/etc/fstab</path>: 134Now use the <e>example</e> below to create your <path>/etc/fstab</path>:
135</p> 135</p>
136 136
137<pre caption="A full /etc/fstab example" test="func:keyval('arch')='AMD64' or func:keyval('arch')='x86'"> 137<pre caption="A full /etc/fstab example" test="func:keyval('arch')='AMD64' or func:keyval('arch')='x86'">
138<keyval id="/boot"/> /boot ext2 defaults,noatime 1 2 138<keyval id="/boot"/> /boot ext2 defaults,noatime 1 2
139/dev/hda2 none swap sw 0 0 139/dev/hda2 none swap sw 0 0
140/dev/hda3 / ext3 noatime 0 1 140/dev/hda3 / ext3 noatime 0 1
141 141
142none /proc proc defaults 0 0 142proc /proc proc defaults 0 0
143none /dev/shm tmpfs nodev,nosuid,noexec 0 0 143shm /dev/shm tmpfs nodev,nosuid,noexec 0 0
144 144
145/dev/cdrom /mnt/cdrom auto noauto,user 0 0 145/dev/cdrom /mnt/cdrom auto noauto,user 0 0
146</pre> 146</pre>
147 147
148<pre caption="A full /etc/fstab example" test="func:keyval('arch')='HPPA'"> 148<pre caption="A full /etc/fstab example" test="func:keyval('arch')='HPPA'">
149<keyval id="/boot"/> /boot ext2 defaults,noatime 1 2 149<keyval id="/boot"/> /boot ext2 defaults,noatime 1 2
150/dev/sda3 none swap sw 0 0 150/dev/sda3 none swap sw 0 0
151/dev/sda4 / ext3 noatime 0 1 151/dev/sda4 / ext3 noatime 0 1
152 152
153none /proc proc defaults 0 0 153proc /proc proc defaults 0 0
154none /dev/shm tmpfs nodev,nosuid,noexec 0 0 154shm /dev/shm tmpfs nodev,nosuid,noexec 0 0
155 155
156/dev/cdrom /mnt/cdrom auto noauto,user 0 0 156/dev/cdrom /mnt/cdrom auto noauto,user 0 0
157</pre> 157</pre>
158 158
159<pre caption="A full /etc/fstab example" test="func:keyval('arch')='Alpha' or func:keyval('arch')='MIPS'"> 159<pre caption="A full /etc/fstab example" test="func:keyval('arch')='Alpha' or func:keyval('arch')='MIPS'">
160<keyval id="/boot"/> /boot ext2 defaults,noatime 1 2 160<keyval id="/boot"/> /boot ext2 defaults,noatime 1 2
161/dev/sda2 none swap sw 0 0 161/dev/sda2 none swap sw 0 0
162/dev/sda3 / ext3 noatime 0 1 162/dev/sda3 / ext3 noatime 0 1
163 163
164none /proc proc defaults 0 0 164proc /proc proc defaults 0 0
165none /dev/shm tmpfs nodev,nosuid,noexec 0 0 165shm /dev/shm tmpfs nodev,nosuid,noexec 0 0
166 166
167/dev/cdrom /mnt/cdrom auto noauto,user 0 0 167/dev/cdrom /mnt/cdrom auto noauto,user 0 0
168</pre> 168</pre>
169 169
170<pre caption="A full /etc/fstab example" test="func:keyval('arch')='SPARC'"> 170<pre caption="A full /etc/fstab example" test="func:keyval('arch')='SPARC'">
171/dev/sda1 / ext3 noatime 0 1 171/dev/sda1 / ext3 noatime 0 1
172/dev/sda2 none swap sw 0 0 172/dev/sda2 none swap sw 0 0
173/dev/sda4 /usr ext3 noatime 0 2 173/dev/sda4 /usr ext3 noatime 0 2
174/dev/sda5 /var ext3 noatime 0 2 174/dev/sda5 /var ext3 noatime 0 2
175/dev/sda6 /home ext3 noatime 0 2 175/dev/sda6 /home ext3 noatime 0 2
176 176
177none /proc/openprom openpromfs defaults 0 0 177openprom /proc/openprom openpromfs defaults 0 0
178none /proc proc defaults 0 0 178proc /proc proc defaults 0 0
179none /dev/shm tmpfs nodev,nosuid,noexec 0 0 179shm /dev/shm tmpfs nodev,nosuid,noexec 0 0
180 180
181/dev/cdrom /mnt/cdrom auto noauto,user 0 0 181/dev/cdrom /mnt/cdrom auto noauto,user 0 0
182</pre> 182</pre>
183 183
184<note test="func:keyval('arch')='PPC'"> 184<note test="func:keyval('arch')='PPC'">
185There are important variations between PPC machine types. Please make sure you 185There are important variations between PPC machine types. Please make sure you
186adapt the following example to your system. 186adapt the following example to your system.
187</note> 187</note>
188 188
189<pre caption="A full /etc/fstab example" test="func:keyval('arch')='PPC'"> 189<pre caption="A full /etc/fstab example" test="func:keyval('arch')='PPC'">
190/dev/hda4 / ext3 noatime 0 1 190/dev/hda4 / ext3 noatime 0 1
191/dev/hda3 none swap sw 0 0 191/dev/hda3 none swap sw 0 0
192 192
193none /proc proc defaults 0 0 193proc /proc proc defaults 0 0
194none /dev/shm tmpfs nodev,nosuid,noexec 0 0 194shm /dev/shm tmpfs nodev,nosuid,noexec 0 0
195 195
196/dev/cdrom /mnt/cdrom auto noauto,user 0 0 196/dev/cdrom /mnt/cdrom auto noauto,user 0 0
197</pre> 197</pre>
198 198
199<pre caption="A full /etc/fstab example" test="func:keyval('arch')='PPC64'"> 199<pre caption="A full /etc/fstab example" test="func:keyval('arch')='PPC64'">
200/dev/sda4 / ext3 noatime 0 1 200/dev/sda4 / ext3 noatime 0 1
201/dev/sda3 none swap sw 0 0 201/dev/sda3 none swap sw 0 0
202 202
203none /proc proc defaults 0 0 203proc /proc proc defaults 0 0
204none /dev/shm tmpfs nodev,nosuid,noexec 0 0 204shm /dev/shm tmpfs nodev,nosuid,noexec 0 0
205 205
206/dev/cdrom /mnt/cdrom auto noauto,user 0 0 206/dev/cdrom /mnt/cdrom auto noauto,user 0 0
207</pre> 207</pre>
208 208
209<p> 209<p>
210<c>auto</c> makes <c>mount</c> guess for the filesystem (recommended for 210<c>auto</c> makes <c>mount</c> guess for the filesystem (recommended for
211removable media as they can be created with one of many filesystems) and 211removable media as they can be created with one of many filesystems) and
212<c>user</c> makes it possible for non-root users to mount the CD. 212<c>user</c> makes it possible for non-root users to mount the CD.
213</p> 213</p>
214 214
215<p> 215<p>
216To improve performance, most users would want to add the <c>noatime</c> 216To improve performance, most users would want to add the <c>noatime</c>
217mount option, which results in a faster system since access times 217mount option, which results in a faster system since access times
218aren't registered (you don't need those generally anyway). 218aren't registered (you don't need those generally anyway).
219</p> 219</p>

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