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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/1.0 --> 5<!-- See http://creativecommons.org/licenses/by-sa/1.0 -->
6 6
7<!-- $Header: /var/cvsroot/gentoo/xml/htdocs/doc/en/handbook/hb-install-config.xml,v 1.50 2004/11/09 13:01:52 swift Exp $ --> 7<!-- $Header: /var/cvsroot/gentoo/xml/htdocs/doc/en/handbook/hb-install-config.xml,v 1.67 2005/06/24 18:47:21 fox2mike Exp $ -->
8 8
9<sections> 9<sections>
10 10
11<version>1.49</version> 11<version>2.9</version>
12<date>October 23, 2004</date> 12<date>2005-06-24</date>
13 13
14<section> 14<section>
15<title>Filesystem Information</title> 15<title>Filesystem Information</title>
16<subsection> 16<subsection>
17<title>What is fstab?</title> 17<title>What is fstab?</title>
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126(required) and for your CD-ROM drive (and of course, if you have other 126(required) and for your CD-ROM drive (and of course, if you have other
127partitions or drives, for those too): 127partitions or drives, for those too):
128</p> 128</p>
129 129
130<pre caption="A full /etc/fstab example"> 130<pre caption="A full /etc/fstab example">
131/dev/hda1 /boot ext2 noauto,noatime 1 2 131/dev/hda1 /boot ext2 defaults,noatime 1 2
132/dev/hda2 none swap sw 0 0 132/dev/hda2 none swap sw 0 0
133/dev/hda3 / ext3 noatime 0 1 133/dev/hda3 / ext3 noatime 0 1
134 134
135none /proc proc defaults 0 0 135none /proc proc defaults 0 0
136none /dev/shm tmpfs nodev,nosuid,noexec 0 0 136none /dev/shm tmpfs nodev,nosuid,noexec 0 0
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151too: 151too:
152</p> 152</p>
153 153
154<pre caption="Adding openprom filesystem to /etc/fstab"> 154<pre caption="Adding openprom filesystem to /etc/fstab">
155none /proc/openprom openpromfs defaults 0 0 155none /proc/openprom openpromfs defaults 0 0
156</pre>
157
158<p>
159If you need <c>usbfs</c>, add the following line to <path>/etc/fstab</path>:
160</p>
161
162<pre caption="Adding usbfs filesystem to /etc/fstab">
163none /proc/bus/usb usbfs defaults 0 0
164</pre> 156</pre>
165 157
166<p> 158<p>
167Double-check your <path>/etc/fstab</path>, save and quit to continue. 159Double-check your <path>/etc/fstab</path>, save and quit to continue.
168</p> 160</p>
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187<p> 179<p>
188We use these values in the next examples. First we set the hostname: 180We use these values in the next examples. First we set the hostname:
189</p> 181</p>
190 182
191<pre caption="Setting the hostname"> 183<pre caption="Setting the hostname">
192# <i>echo tux &gt; /etc/hostname</i> 184# <i>nano -w /etc/conf.d/hostname</i>
185
186<comment>(Set the HOSTNAME variable to your hostname)</comment>
187HOSTNAME="<i>tux</i>"
193</pre> 188</pre>
194 189
195<p> 190<p>
196Second we set the domainname: 191Second we set the domainname:
197</p> 192</p>
198 193
199<pre caption="Setting the domainname"> 194<pre caption="Setting the domainname">
200# <i>echo homenetwork &gt; /etc/dnsdomainname</i> 195# <i>nano -w /etc/conf.d/domainname</i>
196
197<comment>(Set the DNSDOMAIN variable to your domain name)</comment>
198DNSDOMAIN="<i>homenetwork</i>"
201</pre> 199</pre>
202 200
203<p> 201<p>
204If you have a NIS domain (if you don't know what that is, then you don't have 202If you have a NIS domain (if you don't know what that is, then you don't have
205one), you need to define that one too: 203one), you need to define that one too:
206</p> 204</p>
207 205
208<pre caption="Setting the NIS domainname"> 206<pre caption="Setting the NIS domainname">
209# <i>echo nis.homenetwork &gt; /etc/nisdomainname</i> 207# <i>nano -w /etc/conf.d/domainname</i>
208
209<comment>(Set the NISDOMAIN variable to your NIS domain name)</comment>
210NISDOMAIN="<i>my-nisdomain</i>"
210</pre> 211</pre>
211 212
212<p> 213<p>
213Now add the <c>domainname</c> script to the default runlevel: 214Now add the <c>domainname</c> script to the default runlevel:
214</p> 215</p>
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223<title>Configuring your Network</title> 224<title>Configuring your Network</title>
224<body> 225<body>
225 226
226<p> 227<p>
227Before you get that "Hey, we've had that already"-feeling, you should remember 228Before you get that "Hey, we've had that already"-feeling, you should remember
228that the networking you set up in the beginning of the gentoo installation was 229that the networking you set up in the beginning of the Gentoo installation was
229just for the installation. Right now you are going to configure networking for 230just for the installation. Right now you are going to configure networking for
230your Gentoo system permanently. 231your Gentoo system permanently.
231</p> 232</p>
233
234<note>
235More detailed information about networking, including advanced topics like
236bonding, bridging, 802.11q VLANs or wireless networking is covered in the <uri
237link="?part=4">Gentoo Network Configuration</uri> section.
238</note>
232 239
233<p> 240<p>
234All networking information is gathered in <path>/etc/conf.d/net</path>. It uses 241All networking information is gathered in <path>/etc/conf.d/net</path>. It uses
235a straightforward yet not intuitive syntax if you don't know how to set up 242a straightforward yet not intuitive syntax if you don't know how to set up
236networking manually. But don't fear, we'll explain everything :) 243networking manually. But don't fear, we'll explain everything :)
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244<pre caption="Opening /etc/conf.d/net for editing"> 251<pre caption="Opening /etc/conf.d/net for editing">
245# <i>nano -w /etc/conf.d/net</i> 252# <i>nano -w /etc/conf.d/net</i>
246</pre> 253</pre>
247 254
248<p> 255<p>
249The first variable you'll find is <c>iface_eth0</c>. It uses the following 256The first variable you'll find is called <c>config_eth0</c>. As you can probably
250syntax: 257imagine, this variable configured the eth0 network interface. If the interface
251</p> 258needs to automatically obtain an IP address through DHCP, you should set it
252 259like so:
253<pre caption="iface_eth0 syntaxis">
254iface_eth0="<i>&lt;your ip address&gt;</i> broadcast <i>&lt;your broadcast address&gt;</i> netmask <i>&lt;your netmask&gt;</i>"
255</pre>
256
257<p> 260</p>
258If you use DHCP (automatic IP retrieval), you should just set <c>iface_eth0</c> 261
259to <c>dhcp</c>. If you use rp-pppoe (e.g. for ADSL), set it to <c>up</c>. 262<pre caption="Automatically obtaining an IP address for eth0">
260If you need to set up your network manually and you're 263config_eth0=( "dhcp" )
261not familiar with all the above terms, please read the section on <uri 264</pre>
262link="?part=1&amp;chap=3#network_term">Understanding Network 265
263Terminology</uri> if you haven't done so already.
264</p> 266<p>
265 267However, if you have to enter your own IP address, netmask and gateway, you need
268to set both <c>config_eth0</c> and <c>routes_eth0</c>:
266<p> 269</p>
267So let us give three examples; the first one uses DHCP, the second one a static 270
268IP (192.168.0.2) with netmask 255.255.255.0, broadcast 192.168.0.255 and 271<pre caption="Manually setting IP information for eth0">
269gateway 192.168.0.1 while the third one just activates the interface for 272config_eth0=( "192.168.0.2 netmask 255.255.255.0" )
270rp-pppoe usage: 273routes_eth0=( "default gw 192.168.0.1" )
274</pre>
275
271</p> 276<p>
272 277If you have several network interfaces repeat the above steps for
273<pre caption="Examples for /etc/conf.d/net"> 278<c>config_eth1</c>, <c>config_eth2</c>, etc.
274<comment>(For DHCP)</comment>
275iface_eth0="dhcp"
276<comment># Some network admins require that you use the</comment>
277<comment># hostname and domainname provided by the DHCP server.</comment>
278<comment># In that case, add the following to let dhcpcd use them.</comment>
279<comment># That will override your own hostname and domainname definitions.</comment>
280dhcpcd_eth0="-HD"
281<comment># If you intend on using NTP to keep your machine clock synchronized, use</comment>
282<comment># the -N option to prevent dhcpcd from overwriting your /etc/ntp.conf file</comment>
283dhcpcd_eth0="-N"
284
285<comment>(For static IP)</comment>
286iface_eth0="192.168.0.2 broadcast 192.168.0.255 netmask 255.255.255.0"
287gateway="eth0/192.168.0.1"
288
289<comment>(For rp-pppoe)</comment>
290iface_eth0="up"
291</pre>
292
293<p>
294If you have several network interfaces, create extra <c>iface_eth</c> variables,
295like <c>iface_eth1</c>, <c>iface_eth2</c> etc. The <c>gateway</c> variable
296shouldn't be reproduced as you can only set one gateway per computer.
297</p> 279</p>
298 280
299<p> 281<p>
300Now save the configuration and exit to continue. 282Now save the configuration and exit to continue.
301</p> 283</p>
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355</pre> 337</pre>
356 338
357<p> 339<p>
358If your system is the only system (or the nameservers handle all name 340If your system is the only system (or the nameservers handle all name
359resolution) a single line is sufficient. For instance, if you want to call your 341resolution) a single line is sufficient. For instance, if you want to call your
360system <c>tux.homenetwork</c>: 342system <c>tux</c>:
361</p> 343</p>
362 344
363<pre caption="/etc/hosts for lonely or fully integrated PCs"> 345<pre caption="/etc/hosts for lonely or fully integrated PCs">
364127.0.0.1 tux.homenetwork tux localhost 346127.0.0.1 localhost tux
365</pre> 347</pre>
366 348
367<p> 349<p>
368Save and exit the editor to continue. 350Save and exit the editor to continue.
369</p> 351</p>
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444<pre caption="Opening /etc/rc.conf"> 426<pre caption="Opening /etc/rc.conf">
445# <i>nano -w /etc/rc.conf</i> 427# <i>nano -w /etc/rc.conf</i>
446</pre> 428</pre>
447 429
448<p> 430<p>
431When you're finished configuring <path>/etc/rc.conf</path>, save and exit.
432</p>
433
434<p>
449As you can see, this file is well commented to help you set up the necessary 435As you can see, this file is well commented to help you set up the necessary
450configuration variables. Take special care with the <c>KEYMAP</c> setting: if 436configuration variables. Among other settings, you can configure your console
451you select the wrong <c>KEYMAP</c> you will get weird results when typing on 437fonts, your default editor and your display manager (like gdm or kdm).
452your keyboard. 438</p>
439
440<p>
441Gentoo uses <path>/etc/conf.d/keymaps</path> to handle keyboard configuration.
442Edit it to configure your keyboard.
443</p>
444
445<pre caption="Opening /etc/conf.d/keymaps">
446# <i>nano -w /etc/conf.d/keymaps</i>
447</pre>
448
449<p>
450Take special care with the <c>KEYMAP</c> variable. If you select the wrong
451<c>KEYMAP</c>, you will get weird results when typing on your keyboard.
453</p> 452</p>
454 453
455<note> 454<note>
456Users of USB-based <b>SPARC</b> systems and <b>SPARC</b> clones might need to 455Users of USB-based <b>SPARC</b> systems and <b>SPARC</b> clones might need to
457select an i386 keymap (such as "us") instead of "sunkeymap". 456select an i386 keymap (such as "us") instead of "sunkeymap".
458</note> 457</note>
459 458
460<p> 459<p>
461<b>PPC</b> uses x86 keymaps on most systems. Users who want to be able to use 460<b>PPC</b> uses x86 keymaps on most systems. Users who want to be able to use
462ADB keymaps on boot have to enable ADB keycode sendings in their kernel and have 461ADB keymaps on boot have to enable ADB keycode sendings in their kernel and have
463to set a mac/ppc keymap in <path>rc.conf</path>. 462to set a mac/ppc keymap in <path>/etc/conf.d/keymaps</path>.
464</p>
465
466<p> 463</p>
464
465<p>
466When you're finished configuring <path>/etc/conf.d/keymaps</path>, save and
467exit.
468</p>
469
470<p>
471Gentoo uses <path>/etc/conf.d/clock</path> to set clock options. Edit it
472according to your needs.
473</p>
474
475<pre caption="Opening /etc/conf.d/clock">
476# <i>nano -w /etc/conf.d/clock</i>
477</pre>
478
479<p>
480If your hardware clock is not using UTC, you need to add <c>CLOCK="local"</c> to
481the file. Otherwise you will notice some clock skew.
482</p>
483
484<p>
467When you're finished configuring <path>/etc/rc.conf</path>, save and exit, then 485When you're finished configuring <path>/etc/conf.d/clock</path>, save and
486exit.
487</p>
488
489<p>
490If you are not installing Gentoo on an IBM POWER5 or JS20 system, continue with
491<uri link="?part=1&amp;chap=9">Installing Necessary System Tools</uri>.
492</p>
493
494</body>
495</subsection>
496<subsection>
497<title>Configuring the Console</title>
498<body>
499
500<note>
501The following section applies to the IBM POWER5 and JS20 hardware platforms.
502</note>
503
504<p>
505If you are running Gentoo in an LPAR or on a JS20 blade, you must uncomment
506the hvc line in /etc/inittab for the virtual console to spawn a login prompt.
507</p>
508
509<pre caption="Enabling hvc support in /etc/inittab">
510hvc:12345:respawn:/sbin/agetty -nl /bin/bashlogin 9600 hvc0 vt220
511</pre>
512
513<p>
468continue with <uri link="?part=1&amp;chap=9">Installing Necessary System 514You may now continue with <uri link="?part=1&amp;chap=9">Installing Necessary
469Tools</uri>. 515System Tools</uri>.
470</p> 516</p>
471 517
472</body> 518</body>
473</subsection> 519</subsection>
474</section> 520</section>
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