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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 1.84 2006/09/12 20:07:02 nightmorph Exp $ --> 7<!-- $Header: /var/cvsroot/gentoo/xml/htdocs/doc/en/handbook/hb-install-config.xml,v 1.90 2007/05/07 18:11:40 nightmorph Exp $ -->
8 8
9<sections> 9<sections>
10 10
11<abstract>
12You need to edit some important configuration files. In this chapter
13you receive an overview of these files and an explanation on how to
14proceed.
15</abstract>
16
11<version>7.3</version> 17<version>8.0</version>
12<date>2006-09-12</date> 18<date>2007-05-07</date>
13 19
14<section> 20<section>
15<title>Filesystem Information</title> 21<title>Filesystem Information</title>
16<subsection> 22<subsection>
17<title>What is fstab?</title> 23<title>What is fstab?</title>
67</li> 73</li>
68</ul> 74</ul>
69 75
70<impo> 76<impo>
71The default <path>/etc/fstab</path> file provided by Gentoo <e>is not a valid 77The default <path>/etc/fstab</path> file provided by Gentoo <e>is not a valid
72fstab file</e>, You <b>have to create</b> your own <path>/etc/fstab</path>. 78fstab file</e>. You <b>have to create</b> your own <path>/etc/fstab</path>.
73</impo> 79</impo>
74 80
75<pre caption="Opening /etc/fstab"> 81<pre caption="Opening /etc/fstab">
76# <i>nano -w /etc/fstab</i> 82# <i>nano -w /etc/fstab</i>
77</pre> 83</pre>
131<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'">
132<keyval id="/boot"/> /boot ext2 defaults,noatime 1 2 138<keyval id="/boot"/> /boot ext2 defaults,noatime 1 2
133/dev/hda2 none swap sw 0 0 139/dev/hda2 none swap sw 0 0
134/dev/hda3 / ext3 noatime 0 1 140/dev/hda3 / ext3 noatime 0 1
135 141
136none /proc proc defaults 0 0 142proc /proc proc nodev,nosuid,noexec 0 0
137none /dev/shm tmpfs nodev,nosuid,noexec 0 0 143shm /dev/shm tmpfs nodev,nosuid,noexec 0 0
138 144
139/dev/cdrom /mnt/cdrom auto noauto,user 0 0 145/dev/cdrom /mnt/cdrom auto noauto,user 0 0
140</pre> 146</pre>
141 147
142<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'">
143<keyval id="/boot"/> /boot ext2 defaults,noatime 1 2 149<keyval id="/boot"/> /boot ext2 defaults,noatime 1 2
144/dev/sda3 none swap sw 0 0 150/dev/sda3 none swap sw 0 0
145/dev/sda4 / ext3 noatime 0 1 151/dev/sda4 / ext3 noatime 0 1
146 152
147none /proc proc defaults 0 0 153proc /proc proc nodev,nosuid,noexec 0 0
148none /dev/shm tmpfs nodev,nosuid,noexec 0 0 154shm /dev/shm tmpfs nodev,nosuid,noexec 0 0
149 155
150/dev/cdrom /mnt/cdrom auto noauto,user 0 0 156/dev/cdrom /mnt/cdrom auto noauto,user 0 0
151</pre> 157</pre>
152 158
153<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'">
154<keyval id="/boot"/> /boot ext2 defaults,noatime 1 2 160<keyval id="/boot"/> /boot ext2 defaults,noatime 1 2
155/dev/sda2 none swap sw 0 0 161/dev/sda2 none swap sw 0 0
156/dev/sda3 / ext3 noatime 0 1 162/dev/sda3 / ext3 noatime 0 1
157 163
158none /proc proc defaults 0 0 164proc /proc proc nodev,nosuid,noexec 0 0
159none /dev/shm tmpfs nodev,nosuid,noexec 0 0 165shm /dev/shm tmpfs nodev,nosuid,noexec 0 0
160 166
161/dev/cdrom /mnt/cdrom auto noauto,user 0 0 167/dev/cdrom /mnt/cdrom auto noauto,user 0 0
162</pre> 168</pre>
163 169
164<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'">
166/dev/sda2 none swap sw 0 0 172/dev/sda2 none swap sw 0 0
167/dev/sda4 /usr ext3 noatime 0 2 173/dev/sda4 /usr ext3 noatime 0 2
168/dev/sda5 /var ext3 noatime 0 2 174/dev/sda5 /var ext3 noatime 0 2
169/dev/sda6 /home ext3 noatime 0 2 175/dev/sda6 /home ext3 noatime 0 2
170 176
171none /proc/openprom openpromfs defaults 0 0 177openprom /proc/openprom openpromfs defaults 0 0
172none /proc proc defaults 0 0 178proc /proc proc nodev,nosuid,noexec 0 0
173none /dev/shm tmpfs nodev,nosuid,noexec 0 0 179shm /dev/shm tmpfs nodev,nosuid,noexec 0 0
174 180
175/dev/cdrom /mnt/cdrom auto noauto,user 0 0 181/dev/cdrom /mnt/cdrom auto noauto,user 0 0
176</pre> 182</pre>
177 183
178<note test="func:keyval('arch')='PPC'"> 184<note test="func:keyval('arch')='PPC'">
182 188
183<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'">
184/dev/hda4 / ext3 noatime 0 1 190/dev/hda4 / ext3 noatime 0 1
185/dev/hda3 none swap sw 0 0 191/dev/hda3 none swap sw 0 0
186 192
187none /proc proc defaults 0 0 193proc /proc proc nodev,nosuid,noexec 0 0
188none /dev/shm tmpfs nodev,nosuid,noexec 0 0 194shm /dev/shm tmpfs nodev,nosuid,noexec 0 0
189 195
190/dev/cdrom /mnt/cdrom auto noauto,user 0 0 196/dev/cdrom /mnt/cdrom auto noauto,user 0 0
191</pre> 197</pre>
192 198
193<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'">
194/dev/sda4 / ext3 noatime 0 1 200/dev/sda4 / ext3 noatime 0 1
195/dev/sda3 none swap sw 0 0 201/dev/sda3 none swap sw 0 0
196 202
197none /proc proc defaults 0 0 203proc /proc proc nodev,nosuid,noexec 0 0
198none /dev/shm tmpfs nodev,nosuid,noexec 0 0 204shm /dev/shm tmpfs nodev,nosuid,noexec 0 0
199 205
200/dev/cdrom /mnt/cdrom auto noauto,user 0 0 206/dev/cdrom /mnt/cdrom auto noauto,user 0 0
201</pre> 207</pre>
202 208
203<p> 209<p>
239<comment>(Set the HOSTNAME variable to your host name)</comment> 245<comment>(Set the HOSTNAME variable to your host name)</comment>
240HOSTNAME="<i>tux</i>" 246HOSTNAME="<i>tux</i>"
241</pre> 247</pre>
242 248
243<p> 249<p>
244Second we set the domainname in <path>/etc/conf.d/net</path>: 250Second, <e>if</e> you need a domainname, set it in <path>/etc/conf.d/net</path>.
251You only need a domain if your ISP or network administrator says so, or if you
252have a DNS server but not a DHCP server. You don't need to worry about DNS or
253domainnames if your networking is setup for DHCP.
245</p> 254</p>
246 255
247<pre caption="Setting the domainname"> 256<pre caption="Setting the domainname">
248# <i>nano -w /etc/conf.d/net</i> 257# <i>nano -w /etc/conf.d/net</i>
249 258
250<comment>(Set the dns_domain variable to your domain name)</comment> 259<comment>(Set the dns_domain variable to your domain name)</comment>
251dns_domain_lo="<i>homenetwork</i>" 260dns_domain_lo="<i>homenetwork</i>"
252</pre> 261</pre>
253 262
263<note>
264If you choose not to set a domainname, you can get rid of the "This is
265hostname.(none)" messages at your login screen by editing
266<path>/etc/issue</path>. Just delete the string <c>.\O</c> from that file.
267</note>
268
254<p> 269<p>
255If you have a NIS domain (if you don't know what that is, then you don't have 270If you have a NIS domain (if you don't know what that is, then you don't have
256one), you need to define that one too: 271one), you need to define that one too:
257</p> 272</p>
258 273
260# <i>nano -w /etc/conf.d/net</i> 275# <i>nano -w /etc/conf.d/net</i>
261 276
262<comment>(Set the nis_domain variable to your NIS domain name)</comment> 277<comment>(Set the nis_domain variable to your NIS domain name)</comment>
263nis_domain_lo="<i>my-nisdomain</i>" 278nis_domain_lo="<i>my-nisdomain</i>"
264</pre> 279</pre>
280
281<note>
282For more information on configuring DNS and NIS, please read the examples
283provided in <path>/etc/conf.d/net.example</path>. Also, you may want to emerge
284<c>resolvconf-gentoo</c> to help manage your DNS/NIS setup.
285</note>
265 286
266</body> 287</body>
267</subsection> 288</subsection>
268<subsection> 289<subsection>
269<title>Configuring your Network</title> 290<title>Configuring your Network</title>
324to set both <c>config_eth0</c> and <c>routes_eth0</c>: 345to set both <c>config_eth0</c> and <c>routes_eth0</c>:
325</p> 346</p>
326 347
327<pre caption="Manually setting IP information for eth0"> 348<pre caption="Manually setting IP information for eth0">
328config_eth0=( "192.168.0.2 netmask 255.255.255.0 brd 192.168.0.255" ) 349config_eth0=( "192.168.0.2 netmask 255.255.255.0 brd 192.168.0.255" )
329routes_eth0=( "default gw 192.168.0.1" ) 350routes_eth0=( "default via 192.168.0.1" )
330</pre> 351</pre>
331 352
332<p> 353<p>
333To use DHCP and add specific DHCP options, define <c>config_eth0</c> and 354To use DHCP and add specific DHCP options, define <c>config_eth0</c> and
334<c>dhcp_eth0</c>: 355<c>dhcp_eth0</c>:
359<title>Automatically Start Networking at Boot</title> 380<title>Automatically Start Networking at Boot</title>
360<body> 381<body>
361 382
362<p> 383<p>
363To have your network interfaces activated at boot, you need to add them to the 384To have your network interfaces activated at boot, you need to add them to the
364default runlevel. If you have PCMCIA interfaces you should skip this action as 385default runlevel.
365the PCMCIA interfaces are started by the PCMCIA init script.
366</p> 386</p>
367 387
368<pre caption="Adding net.eth0 to the default runlevel"> 388<pre caption="Adding net.eth0 to the default runlevel">
369# <i>rc-update add net.eth0 default</i> 389# <i>rc-update add net.eth0 default</i>
370</pre> 390</pre>
424<subsection test="func:keyval('arch')='AMD64' or func:keyval('arch')='x86' or substring(func:keyval('arch'),1,3)='PPC'"> 444<subsection test="func:keyval('arch')='AMD64' or func:keyval('arch')='x86' or substring(func:keyval('arch'),1,3)='PPC'">
425<title>Optional: Get PCMCIA Working</title> 445<title>Optional: Get PCMCIA Working</title>
426<body> 446<body>
427 447
428<p> 448<p>
429PCMCIA-users should first install the <c>pcmcia-cs</c> package. This also 449PCMCIA users should first install the <c>pcmciautils</c> package.
430includes users who will be working with a 2.6 kernel (even though they won't be
431using the PCMCIA drivers from this package). The <c>USE="-X"</c> is necessary
432to avoid installing xorg-x11 at this moment:
433</p> 450</p>
434 451
435<pre caption="Installing pcmcia-cs"> 452<pre caption="Installing pcmciautils">
436# <i>USE="-X" emerge pcmcia-cs</i> 453# <i>emerge pcmciautils</i>
437</pre>
438
439<p>
440When <c>pcmcia-cs</c> is installed, add <c>pcmcia</c> to the <e>default</e>
441runlevel:
442</p>
443
444<pre caption="Adding pcmcia to the default runlevel">
445# <i>rc-update add pcmcia default</i>
446</pre> 454</pre>
447 455
448</body> 456</body>
449</subsection> 457</subsection>
450</section> 458</section>
508 516
509<p> 517<p>
510Take special care with the <c>KEYMAP</c> variable. If you select the wrong 518Take special care with the <c>KEYMAP</c> variable. If you select the wrong
511<c>KEYMAP</c>, you will get weird results when typing on your keyboard. 519<c>KEYMAP</c>, you will get weird results when typing on your keyboard.
512</p> 520</p>
513
514<note test="func:keyval('arch')='SPARC'">
515Users of USB-based SPARC systems and SPARC clones might need to select an i386
516keymap (such as "us") instead of "sunkeymap".
517</note>
518 521
519<note test="substring(func:keyval('arch'),1,3)='PPC'"> 522<note test="substring(func:keyval('arch'),1,3)='PPC'">
520PPC uses x86 keymaps on most systems. Users who want to be able to use ADB 523PPC uses x86 keymaps on most systems. Users who want to be able to use ADB
521keymaps on boot have to enable ADB keycode sendings in their kernel and have to 524keymaps on boot have to enable ADB keycode sendings in their kernel and have to
522set a mac/ppc keymap in <path>/etc/conf.d/keymaps</path>. 525set a mac/ppc keymap in <path>/etc/conf.d/keymaps</path>.

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