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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 1.99 2008/05/02 08:04:23 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>9.2</version> 17<version>14</version>
18<date>2008-05-02</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 and add specific DHCP options, define <c>config_eth0</c> and 318To use DHCP, define <c>config_eth0</c>:
307<c>dhcp_eth0</c>:
308</p> 319</p>
309 320
310<pre caption="Automatically obtaining an IP address for eth0"> 321<pre caption="Automatically obtaining an IP address for eth0">
311config_eth0=( "dhcp" ) 322config_eth0="dhcp"
312dhcp_eth0="nodns nontp nonis"
313</pre> 323</pre>
314 324
315<p> 325<p>
316Please 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
317options. 327options. Be sure to also read your DHCP client manpage if you need to set
328specific DHCP options.
318</p> 329</p>
319 330
320<p> 331<p>
321If you have several network interfaces repeat the above steps for 332If you have several network interfaces repeat the above steps for
322<c>config_eth1</c>, <c>config_eth2</c>, etc. 333<c>config_eth1</c>, <c>config_eth2</c>, etc.
336To 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
337default runlevel. 348default runlevel.
338</p> 349</p>
339 350
340<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>
341# <i>rc-update add net.eth0 default</i> 354# <i>rc-update add net.eth0 default</i>
342</pre> 355</pre>
343 356
344<p> 357<p>
345If you have several network interfaces, you need to create the appropriate 358If you have several network interfaces, you need to create the appropriate
346<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
347use <c>ln</c> to do this: 360<path>net.eth0</path>.
348</p>
349
350<pre caption="Creating extra initscripts">
351# <i>cd /etc/init.d</i>
352# <i>ln -s net.lo net.eth1</i>
353# <i>rc-update add net.eth1 default</i>
354</pre> 361</p>
355 362
356</body> 363</body>
357</subsection> 364</subsection>
358<subsection> 365<subsection>
359<title>Writing Down Network Information</title> 366<title>Writing Down Network Information</title>
456<pre caption="Opening /etc/conf.d/keymaps"> 463<pre caption="Opening /etc/conf.d/keymaps">
457# <i>nano -w /etc/conf.d/keymaps</i> 464# <i>nano -w /etc/conf.d/keymaps</i>
458</pre> 465</pre>
459 466
460<p> 467<p>
461Take 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
462<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.
463</p> 470</p>
464 471
465<note test="substring(func:keyval('arch'),1,3)='PPC'"> 472<note test="substring(func:keyval('arch'),1,3)='PPC'">
466PPC uses x86 keymaps on most systems. Users who want to be able to use ADB 473PPC uses x86 keymaps on most systems.
467keymaps on boot have to enable ADB keycode sendings in their kernel and have to
468set a mac/ppc keymap in <path>/etc/conf.d/keymaps</path>.
469</note> 474</note>
470 475
471<p> 476<p>
472When 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
473exit. 478exit.
474</p> 479</p>
475 480
476<p> 481<p>
477Gentoo 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
478according to your needs. 483according to your needs.
479</p> 484</p>
480 485
481<pre caption="Opening /etc/conf.d/clock"> 486<pre caption="Opening /etc/conf.d/hwclock">
482# <i>nano -w /etc/conf.d/clock</i> 487# <i>nano -w /etc/conf.d/hwclock</i>
483</pre> 488</pre>
484 489
485<p> 490<p>
486If 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>
487to the file. Otherwise you will notice some clock skew. 492to the file. Otherwise you will notice some clock skew.
488</p> 493</p>
489 494
490<p> 495<p>
496When you're finished configuring <path>/etc/conf.d/hwclock</path>, save and
497exit.
498</p>
499
500<p>
491You should define the timezone that you previously copied to 501You should define the timezone that you previously copied to
492<path>/etc/localtime</path> so that further upgrades of the 502<path>/etc/localtime</path> in the <path>/etc/timezone</path> file so that
493<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
494automatically. For instance, if you used the GMT timezone, you would add 504<path>/etc/localtime</path> automatically. For instance, if you used the GMT
495<c>TIMEZONE="GMT"</c> 505timezone, you would write <c>GMT</c> in the <path>/etc/timezone</path> file.
496</p>
497
498<p>
499When you're finished configuring <path>/etc/conf.d/clock</path>, save and
500exit.
501</p> 506</p>
502 507
503<p test="not(func:keyval('arch')='PPC64')"> 508<p test="not(func:keyval('arch')='PPC64')">
504Please 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
505Tools</uri>. 510Tools</uri>.

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