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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 1.100 2009/02/11 08:40:54 nightmorph Exp $ --> 7<!-- $Header: /var/cvsroot/gentoo/xml/htdocs/doc/en/handbook/hb-install-config.xml,v 1.107 2011/09/11 08:53:34 swift 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>9.3</version> 17<version>14</version>
18<date>2009-02-11</date> 18<date>2011-09-11</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>
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
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
192</p> 204</p>
193 205
194<pre caption="Setting the host name"> 206<pre caption="Setting the host name">
195# <i>nano -w /etc/conf.d/hostname</i> 207# <i>nano -w /etc/conf.d/hostname</i>
196 208
197<comment>(Set the HOSTNAME variable to your host name)</comment> 209<comment>(Set the hostname variable to your host name)</comment>
198HOSTNAME="<i>tux</i>" 210hostname="<i>tux</i>"
199</pre> 211</pre>
200 212
201<p> 213<p>
202Second, <e>if</e> you need a domainname, set it in <path>/etc/conf.d/net</path>. 214Second, <e>if</e> you need a domainname, set it in <path>/etc/conf.d/net</path>.
203You only need a domain if your ISP or network administrator says so, or if you 215You only need a domain if your ISP or network administrator says so, or if you
296To enter your own IP address, netmask and gateway, you need 308To enter your own IP address, netmask and gateway, you need
297to set both <c>config_eth0</c> and <c>routes_eth0</c>: 309to set both <c>config_eth0</c> and <c>routes_eth0</c>:
298</p> 310</p>
299 311
300<pre caption="Manually setting IP information for eth0"> 312<pre caption="Manually setting IP information for eth0">
301config_eth0=( "192.168.0.2 netmask 255.255.255.0 brd 192.168.0.255" ) 313config_eth0="192.168.0.2 netmask 255.255.255.0 brd 192.168.0.255"
302routes_eth0=( "default via 192.168.0.1" ) 314routes_eth0="default via 192.168.0.1"
303</pre> 315</pre>
304 316
305<p> 317<p>
306To use DHCP, define <c>config_eth0</c>: 318To use DHCP, define <c>config_eth0</c>:
307</p> 319</p>
308 320
309<pre caption="Automatically obtaining an IP address for eth0"> 321<pre caption="Automatically obtaining an IP address for eth0">
310config_eth0=( "dhcp" ) 322config_eth0="dhcp"
311</pre> 323</pre>
312 324
313<p> 325<p>
314Please read <path>/etc/conf.d/net.example</path> for a list of all available 326Please read <path>/etc/conf.d/net.example</path> for a list of all available
315options. Be sure to also read your DHCP client manpage if you need to set 327options. Be sure to also read your DHCP client manpage if you need to set
335To have your network interfaces activated at boot, you need to add them to the 347To have your network interfaces activated at boot, you need to add them to the
336default runlevel. 348default runlevel.
337</p> 349</p>
338 350
339<pre caption="Adding net.eth0 to the default runlevel"> 351<pre caption="Adding net.eth0 to the default runlevel">
352# <i>cd /etc/init.d</i>
353# <i>ln -s net.lo net.eth0</i>
340# <i>rc-update add net.eth0 default</i> 354# <i>rc-update add net.eth0 default</i>
341</pre> 355</pre>
342 356
343<p> 357<p>
344If you have several network interfaces, you need to create the appropriate 358If you have several network interfaces, you need to create the appropriate
345<path>net.eth1</path>, <path>net.eth2</path> etc. initscripts for those. You can 359<path>net.eth1</path>, <path>net.eth2</path> etc. just like you did with
346use <c>ln</c> to do this: 360<path>net.eth0</path>.
347</p>
348
349<pre caption="Creating extra initscripts">
350# <i>cd /etc/init.d</i>
351# <i>ln -s net.lo net.eth1</i>
352# <i>rc-update add net.eth1 default</i>
353</pre> 361</p>
354 362
355</body> 363</body>
356</subsection> 364</subsection>
357<subsection> 365<subsection>
358<title>Writing Down Network Information</title> 366<title>Writing Down Network Information</title>
455<pre caption="Opening /etc/conf.d/keymaps"> 463<pre caption="Opening /etc/conf.d/keymaps">
456# <i>nano -w /etc/conf.d/keymaps</i> 464# <i>nano -w /etc/conf.d/keymaps</i>
457</pre> 465</pre>
458 466
459<p> 467<p>
460Take special care with the <c>KEYMAP</c> variable. If you select the wrong 468Take special care with the <c>keymap</c> variable. If you select the wrong
461<c>KEYMAP</c>, you will get weird results when typing on your keyboard. 469<c>keymap</c>, you will get weird results when typing on your keyboard.
462</p> 470</p>
463 471
464<note test="substring(func:keyval('arch'),1,3)='PPC'"> 472<note test="substring(func:keyval('arch'),1,3)='PPC'">
465PPC uses x86 keymaps on most systems. Users who want to be able to use ADB 473PPC uses x86 keymaps on most systems.
466keymaps on boot have to enable ADB keycode sendings in their kernel and have to
467set a mac/ppc keymap in <path>/etc/conf.d/keymaps</path>.
468</note> 474</note>
469 475
470<p> 476<p>
471When you're finished configuring <path>/etc/conf.d/keymaps</path>, save and 477When you're finished configuring <path>/etc/conf.d/keymaps</path>, save and
472exit. 478exit.
473</p> 479</p>
474 480
475<p> 481<p>
476Gentoo uses <path>/etc/conf.d/clock</path> to set clock options. Edit it 482Gentoo uses <path>/etc/conf.d/hwclock</path> to set clock options. Edit it
477according to your needs. 483according to your needs.
478</p> 484</p>
479 485
480<pre caption="Opening /etc/conf.d/clock"> 486<pre caption="Opening /etc/conf.d/hwclock">
481# <i>nano -w /etc/conf.d/clock</i> 487# <i>nano -w /etc/conf.d/hwclock</i>
482</pre> 488</pre>
483 489
484<p> 490<p>
485If your hardware clock is not using UTC, you need to add <c>CLOCK="local"</c> 491If your hardware clock is not using UTC, you need to add <c>clock="local"</c>
486to the file. Otherwise you will notice some clock skew. 492to the file. Otherwise you will notice some clock skew.
487</p> 493</p>
488 494
489<p> 495<p>
496When you're finished configuring <path>/etc/conf.d/hwclock</path>, save and
497exit.
498</p>
499
500<p>
490You should define the timezone that you previously copied to 501You should define the timezone that you previously copied to
491<path>/etc/localtime</path> so that further upgrades of the 502<path>/etc/localtime</path> in the <path>/etc/timezone</path> file so that
492<c>sys-libs/timezone-data</c> package can update <path>/etc/localtime</path> 503further upgrades of the <c>sys-libs/timezone-data</c> package can update
493automatically. For instance, if you used the GMT timezone, you would add 504<path>/etc/localtime</path> automatically. For instance, if you used the GMT
494<c>TIMEZONE="GMT"</c> 505timezone, you would write <c>GMT</c> in the <path>/etc/timezone</path> file.
495</p>
496
497<p>
498When you're finished configuring <path>/etc/conf.d/clock</path>, save and
499exit.
500</p> 506</p>
501 507
502<p test="not(func:keyval('arch')='PPC64')"> 508<p test="not(func:keyval('arch')='PPC64')">
503Please continue with <uri link="?part=1&amp;chap=9">Installing Necessary System 509Please continue with <uri link="?part=1&amp;chap=9">Installing Necessary System
504Tools</uri>. 510Tools</uri>.

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