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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/1.0 --> 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 1.61 2005/05/23 18:13:34 swift Exp $ --> 7<!-- $Header: /var/cvsroot/gentoo/xml/htdocs/doc/en/handbook/hb-install-config.xml,v 1.76 2006/03/28 10:35:59 neysx Exp $ -->
8 8
9<sections> 9<sections>
10 10
11<version>2.3</version> 11<version>2.18</version>
12<date>2005-05-23</date> 12<date>2006-03-28</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>
78</pre> 78</pre>
79 79
80<p> 80<p>
81Let us take a look at how we write down the options for the <path>/boot</path> 81Let us take a look at how we write down the options for the <path>/boot</path>
82partition. This is just an example, so if your architecture doesn't require a 82partition. This is just an example, so if your architecture doesn't require a
83<path>/boot</path> partition (such as <b>PPC</b>), don't copy it verbatim. 83<path>/boot</path> partition (such as Apple <b>PPC</b> machines), don't copy it
84verbatim.
84</p> 85</p>
85 86
86<p> 87<p>
87In our default x86 partitioning example <path>/boot</path> is the 88In our default x86 partitioning example <path>/boot</path> is the
88<path>/dev/hda1</path> partition, with <c>ext2</c> as filesystem. 89<path>/dev/hda1</path> partition, with <c>ext2</c> as filesystem.
179<p> 180<p>
180We use these values in the next examples. First we set the hostname: 181We use these values in the next examples. First we set the hostname:
181</p> 182</p>
182 183
183<pre caption="Setting the hostname"> 184<pre caption="Setting the hostname">
184# <i>echo tux &gt; /etc/hostname</i> 185# <i>nano -w /etc/conf.d/hostname</i>
186
187<comment>(Set the HOSTNAME variable to your hostname)</comment>
188HOSTNAME="<i>tux</i>"
185</pre> 189</pre>
186 190
187<p> 191<p>
188Second we set the domainname: 192Second we set the domainname:
189</p> 193</p>
190 194
191<pre caption="Setting the domainname"> 195<pre caption="Setting the domainname">
192# <i>echo homenetwork &gt; /etc/dnsdomainname</i> 196# <i>nano -w /etc/conf.d/domainname</i>
197
198<comment>(Set the DNSDOMAIN variable to your domain name)</comment>
199DNSDOMAIN="<i>homenetwork</i>"
193</pre> 200</pre>
194 201
195<p> 202<p>
196If you have a NIS domain (if you don't know what that is, then you don't have 203If you have a NIS domain (if you don't know what that is, then you don't have
197one), you need to define that one too: 204one), you need to define that one too:
198</p> 205</p>
199 206
200<pre caption="Setting the NIS domainname"> 207<pre caption="Setting the NIS domainname">
201# <i>echo nis.homenetwork &gt; /etc/nisdomainname</i> 208# <i>nano -w /etc/conf.d/domainname</i>
202</pre>
203 209
204<p> 210<comment>(Set the NISDOMAIN variable to your NIS domain name)</comment>
205Now add the <c>domainname</c> script to the default runlevel: 211NISDOMAIN="<i>my-nisdomain</i>"
206</p>
207
208<pre caption="Adding domainname to the default runlevel">
209# <i>rc-update add domainname default</i>
210</pre> 212</pre>
211 213
212</body> 214</body>
213</subsection> 215</subsection>
214<subsection> 216<subsection>
215<title>Configuring your Network</title> 217<title>Configuring your Network</title>
216<body> 218<body>
217 219
218<p> 220<p>
219Before you get that "Hey, we've had that already"-feeling, you should remember 221Before you get that "Hey, we've had that already"-feeling, you should remember
220that the networking you set up in the beginning of the gentoo installation was 222that the networking you set up in the beginning of the Gentoo installation was
221just for the installation. Right now you are going to configure networking for 223just for the installation. Right now you are going to configure networking for
222your Gentoo system permanently. 224your Gentoo system permanently.
223</p> 225</p>
224 226
227<note>
228More detailed information about networking, including advanced topics like
229bonding, bridging, 802.1Q VLANs or wireless networking is covered in the <uri
230link="?part=4">Gentoo Network Configuration</uri> section.
231</note>
232
225<p> 233<p>
226All networking information is gathered in <path>/etc/conf.d/net</path>. It uses 234All networking information is gathered in <path>/etc/conf.d/net</path>. It uses
227a straightforward yet not intuitive syntax if you don't know how to set up 235a straightforward yet not intuitive syntax if you don't know how to set up
228networking manually. But don't fear, we'll explain everything :) 236networking manually. But don't fear, we'll explain everything. A fully
229</p> 237commented example that covers many different configurations is available in
230 238<path>/etc/conf.d/net.example</path>.
231<p> 239</p>
240
241<p>
242DHCP is used by default and does not require any further configuration.
243</p>
244
245<p>
246If you need to configure your network connection either because you need
247specific DHCP options or because you do not use DHCP at all, open
232First open <path>/etc/conf.d/net</path> with your favorite editor (<c>nano</c> 248<path>/etc/conf.d/net</path> with your favorite editor (<c>nano</c> is used in
233is used in this example): 249this example):
234</p> 250</p>
235 251
236<pre caption="Opening /etc/conf.d/net for editing"> 252<pre caption="Opening /etc/conf.d/net for editing">
237# <i>nano -w /etc/conf.d/net</i> 253# <i>nano -w /etc/conf.d/net</i>
238</pre> 254</pre>
239 255
240<!-- Old baselayout - current stable -->
241
242<p>
243The first variable you'll find is <c>iface_eth0</c>. It uses the following
244syntax:
245</p> 256<p>
246 257You will see the following file:
247<pre caption="iface_eth0 syntaxis">
248iface_eth0="<i>&lt;your ip address&gt;</i> broadcast <i>&lt;your broadcast address&gt;</i> netmask <i>&lt;your netmask&gt;</i>"
249</pre>
250
251<p> 258</p>
252If you use DHCP (automatic IP retrieval), you should just set <c>iface_eth0</c> 259
253to <c>dhcp</c>. If you use rp-pppoe (e.g. for ADSL), set it to <c>up</c>. 260<pre caption="Default /etc/conf.d/net">
254If you need to set up your network manually and you're 261# This blank configuration will automatically use DHCP for any net.*
255not familiar with all the above terms, please read the section on <uri 262# scripts in /etc/init.d. To create a more complete configuration,
256link="?part=1&amp;chap=3#network_term">Understanding Network 263# please review /etc/conf.d/net.example and save your configuration
257Terminology</uri> if you haven't done so already. 264# in /etc/conf.d/net (this file :]!).
265</pre>
266
258</p> 267<p>
259 268To enter your own IP address, netmask and gateway, you need
269to set both <c>config_eth0</c> and <c>routes_eth0</c>:
260<p> 270</p>
261So let us give three examples; the first one uses DHCP, the second one a static 271
262IP (192.168.0.2) with netmask 255.255.255.0, broadcast 192.168.0.255 and 272<pre caption="Manually setting IP information for eth0">
263gateway 192.168.0.1 while the third one just activates the interface for 273config_eth0=( "192.168.0.2 netmask 255.255.255.0 brd 192.168.0.255" )
264rp-pppoe usage: 274routes_eth0=( "default gw 192.168.0.1" )
275</pre>
276
265</p> 277<p>
266 278To use DHCP and add specific DHCP options, define <c>config_eth0</c> and
267<pre caption="Examples for /etc/conf.d/net"> 279<c>dhcp_eth0</c>:
268<comment>(For DHCP)</comment>
269iface_eth0="dhcp"
270<comment># Some network admins require that you use the</comment>
271<comment># hostname and domainname provided by the DHCP server.</comment>
272<comment># In that case, add the following to let dhcpcd use them.</comment>
273<comment># That will override your own hostname and domainname definitions.</comment>
274dhcpcd_eth0="-HD"
275<comment># If you intend on using NTP to keep your machine clock synchronized, use</comment>
276<comment># the -N option to prevent dhcpcd from overwriting your /etc/ntp.conf file</comment>
277dhcpcd_eth0="-N"
278
279<comment>(For static IP)</comment>
280iface_eth0="192.168.0.2 broadcast 192.168.0.255 netmask 255.255.255.0"
281gateway="eth0/192.168.0.1"
282
283<comment>(For rp-pppoe)</comment>
284iface_eth0="up"
285</pre>
286
287<p> 280</p>
288If you have several network interfaces, create extra <c>iface_eth</c> variables,
289like <c>iface_eth1</c>, <c>iface_eth2</c> etc. The <c>gateway</c> variable
290shouldn't be reproduced as you can only set one gateway per computer.
291</p>
292 281
293<!-- New baselayout - current testing
294
295<p>
296The first variable you'll find is called <c>config_eth0</c>. As you can probably
297imagine, this variable configured the eth0 network interface. If the interface
298needs to automatically obtain an IP through DHCP, you should set it like so:
299</p>
300
301<pre caption="Automatically obtaining an IP for eth0"> 282<pre caption="Automatically obtaining an IP address for eth0">
302config_eth0=( "dhcp" ) 283config_eth0=( "dhcp" )
284dhcp_eth0="nodns nontp nonis"
303</pre> 285</pre>
304 286
305<p>
306However, if you have to enter your own IP address, netmask and gateway, you need
307to set both <c>config_eth0</c> and <c>routes_eth0</c>:
308</p> 287<p>
309 288Please read <path>/etc/conf.d/net.example</path> for a list of all available
310<pre caption="Manually setting IP information for eth0"> 289options.
311config_eth0=( "192.168.0.2 netmask 255.255.255.0" )
312routes_eth0=( "default gw 192.168.0.1" )
313</pre> 290</p>
314 291
315<p> 292<p>
316If you have several network interfaces repeat the above steps for 293If you have several network interfaces repeat the above steps for
317<c>config_eth1</c>, <c>config_eth2</c>, etc. 294<c>config_eth1</c>, <c>config_eth2</c>, etc.
318</p> 295</p>
319
320-->
321 296
322<p> 297<p>
323Now save the configuration and exit to continue. 298Now save the configuration and exit to continue.
324</p> 299</p>
325 300
467<pre caption="Opening /etc/rc.conf"> 442<pre caption="Opening /etc/rc.conf">
468# <i>nano -w /etc/rc.conf</i> 443# <i>nano -w /etc/rc.conf</i>
469</pre> 444</pre>
470 445
471<p> 446<p>
447When you're finished configuring <path>/etc/rc.conf</path>, save and exit.
448</p>
449
450<p>
472As you can see, this file is well commented to help you set up the necessary 451As you can see, this file is well commented to help you set up the necessary
473configuration variables. Take special care with the <c>KEYMAP</c> setting: if 452configuration variables. You can configure your system to use unicode and
474you select the wrong <c>KEYMAP</c> you will get weird results when typing on 453define your default editor and your display manager (like gdm or kdm).
475your keyboard. 454</p>
455
456<p>
457Gentoo uses <path>/etc/conf.d/keymaps</path> to handle keyboard configuration.
458Edit it to configure your keyboard.
459</p>
460
461<pre caption="Opening /etc/conf.d/keymaps">
462# <i>nano -w /etc/conf.d/keymaps</i>
463</pre>
464
465<p>
466Take special care with the <c>KEYMAP</c> variable. If you select the wrong
467<c>KEYMAP</c>, you will get weird results when typing on your keyboard.
476</p> 468</p>
477 469
478<note> 470<note>
479Users of USB-based <b>SPARC</b> systems and <b>SPARC</b> clones might need to 471Users of USB-based <b>SPARC</b> systems and <b>SPARC</b> clones might need to
480select an i386 keymap (such as "us") instead of "sunkeymap". 472select an i386 keymap (such as "us") instead of "sunkeymap". <b>PPC</b> uses x86
473keymaps on most systems. Users who want to be able to use ADB keymaps on boot
474have to enable ADB keycode sendings in their kernel and have to set a mac/ppc
475keymap in <path>/etc/conf.d/keymaps</path>.
481</note> 476</note>
482 477
483<p> 478<p>
484<b>PPC</b> uses x86 keymaps on most systems. Users who want to be able to use 479When you're finished configuring <path>/etc/conf.d/keymaps</path>, save and
485ADB keymaps on boot have to enable ADB keycode sendings in their kernel and have 480exit.
486to set a mac/ppc keymap in <path>rc.conf</path>. 481</p>
482
487</p> 483<p>
484Gentoo uses <path>/etc/conf.d/clock</path> to set clock options. Edit it
485according to your needs.
486</p>
487
488<pre caption="Opening /etc/conf.d/clock">
489# <i>nano -w /etc/conf.d/clock</i>
490</pre>
488 491
489<p> 492<p>
490If your hardware clock is not using UTC, you need to add <c>CLOCK="local"</c> to 493If your hardware clock is not using UTC, you need to add <c>CLOCK="local"</c> to
491the file. Otherwise you will notice some clock skew. 494the file. Otherwise you will notice some clock skew. Furthermore, Windows
492</p> 495assumes that your hardware clock uses local time, so if you want to dualboot,
493 496you should set this variable appropriately, otherwise your clock will go crazy.
494<p> 497</p>
498
499<p>
495When you're finished configuring <path>/etc/rc.conf</path>, save and exit. 500When you're finished configuring <path>/etc/conf.d/clock</path>, save and
496</p> 501exit.
497
498<p> 502</p>
503
504<p>
499If you are not installing Gentoo on an IBM POWER5 or JS20 system, continue with 505If you are not installing Gentoo on IBM PPC64 hardware, continue with
500<uri link="?part=1&amp;chap=9">Installing Necessary System Tools</uri>. 506<uri link="?part=1&amp;chap=9">Installing Necessary System Tools</uri>.
501</p> 507</p>
502 508
503</body> 509</body>
504</subsection> 510</subsection>
505<subsection> 511<subsection>
506<title>Configuring the Console</title> 512<title>Configuring the Console</title>
507<body> 513<body>
508 514
509<note> 515<note>
510The following section applies to the IBM POWER5 and JS20 hardware platforms. 516The following section applies to the IBM PPC64 hardware platforms.
511</note> 517</note>
512 518
513<p> 519<p>
514If you are running Gentoo in an LPAR or on a JS20 blade, you must uncomment 520If you are running Gentoo on IBM PPC64 hardware and using a virtual console
515the hvc line in /etc/inittab for the virtual console to spawn a login prompt. 521you must uncomment the appropriate line in <path>/etc/inittab</path> for the
522virtual console to spawn a login prompt.
516</p> 523</p>
517 524
518<pre caption="Enabling hvc support in /etc/inittab"> 525<pre caption="Enabling hvc or hvsi support in /etc/inittab">
519hvc:12345:respawn:/sbin/agetty -nl /bin/bashlogin 9600 hvc0 vt220 526hvc0:12345:respawn:/sbin/agetty -L 9600 hvc0
527hvsi:12345:respawn:/sbin/agetty -L 19200 hvsi0
528</pre>
529
530<p>
531You should also take this time to verify that the appropriate console is
532listed in <path>/etc/securetty</path>.
520</pre> 533</p>
521 534
522<p> 535<p>
523You may now continue with <uri link="?part=1&amp;chap=9">Installing Necessary 536You may now continue with <uri link="?part=1&amp;chap=9">Installing Necessary
524System Tools</uri>. 537System Tools</uri>.
525</p> 538</p>

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