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1<?xml version='1.0' encoding='UTF-8'?>
2<!DOCTYPE sections SYSTEM "/dtd/book.dtd">
3
1<!-- 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 -->
2<!-- See http://creativecommons.org/licenses/by-sa/1.0 --> 5<!-- See http://creativecommons.org/licenses/by-sa/2.5 -->
3 6
4<!-- $Header: /var/cvsroot/gentoo/xml/htdocs/doc/en/handbook/hb-install-config.xml,v 1.13 2003/12/07 12:15:17 swift Exp $ --> 7<!-- $Header: /var/cvsroot/gentoo/xml/htdocs/doc/en/handbook/hb-install-config.xml,v 1.88 2006/11/28 07:40:38 nightmorph Exp $ -->
5 8
6<sections> 9<sections>
7<section>
8<title>Timezone</title>
9<body>
10 10
11<p> 11<abstract>
12You now need to select your timezone so that your system knows where it is 12You need to edit some important configuration files. In this chapter
13located. Look for your timezone in <path>/usr/share/zoneinfo</path>, then make a 13you receive an overview of these files and an explanation on how to
14symlink to <path>/etc/localtime</path> using <c>ln</c>: 14proceed.
15</p> 15</abstract>
16 16
17<pre caption="Setting the timezone information"> 17<version>7.6</version>
18# <i>ls /usr/share/zoneinfo</i> 18<date>2006-11-27</date>
19<comment>(Suppose you want to use GMT:)</comment>
20# <i>ln -sf /usr/share/zoneinfo/GMT /etc/localtime</i>
21</pre>
22 19
23</body>
24</section>
25<section> 20<section>
26<title>Filesystem Information</title> 21<title>Filesystem Information</title>
27<subsection> 22<subsection>
28<title>What is fstab?</title> 23<title>What is fstab?</title>
29<body> 24<body>
30 25
31<p> 26<p>
32Under Linux, all partitions used by the system must be listed in 27Under Linux, all partitions used by the system must be listed in
33<path>/etc/fstab</path>. This file contains the mountpoints of those partitions 28<path>/etc/fstab</path>. This file contains the mount points of those partitions
34(where they are seen in the file system structure), how they should be mounted 29(where they are seen in the file system structure), how they should be mounted
35(special options) and when (automatically or not, can users mount those or not, 30and with what special options (automatically or not, whether users can mount
36etc.). 31them or not, etc.)
37</p> 32</p>
38 33
39</body> 34</body>
40</subsection> 35</subsection>
41<subsection> 36<subsection>
42<title>Creating /etc/fstab</title> 37<title>Creating /etc/fstab</title>
43<body> 38<body>
44 39
45<p> 40<p>
46<path>/etc/fstab</path> uses a special syntaxis. Every line consists of six 41<path>/etc/fstab</path> uses a special syntax. Every line consists of six
47fields, separated by whitespace (space(s), tabs or a mixture). Each field has 42fields, separated by whitespace (space(s), tabs or a mixture). Each field has
48its own meaning: 43its own meaning:
49</p> 44</p>
50 45
51<ul> 46<ul>
52<li> 47<li>
53 The first field shows the <b>partition</b> described (the path to the device 48 The first field shows the <b>partition</b> described (the path to the device
54 file) 49 file)
55</li> 50</li>
56<li> 51<li>
57 The second field shows the <b>mountpoint</b> at which the partition should be 52 The second field shows the <b>mount point</b> at which the partition should be
58 mounted 53 mounted
59</li> 54</li>
60<li> 55<li>
61 The third field shows the <b>filesystem</b> used by the partition 56 The third field shows the <b>filesystem</b> used by the partition
62</li> 57</li>
63<li> 58<li>
64 The fourth field shows the <b>mountoptions</b> used by <c>mount</c> when it 59 The fourth field shows the <b>mount options</b> used by <c>mount</c> when it
65 wants to mount the partition. As every filesystem has its own mountoptions, 60 wants to mount the partition. As every filesystem has its own mount options,
66 you are encouraged to read the mount manpage (<c>man mount</c>) for a full 61 you are encouraged to read the mount man page (<c>man mount</c>) for a full
67 listing. Multiple mountoptions are comma-separated. 62 listing. Multiple mount options are comma-separated.
68</li> 63</li>
69<li> 64<li>
70 The fifth field is used by <c>dump</c> to determine if the partition needs to 65 The fifth field is used by <c>dump</c> to determine if the partition needs to
71 be <b>dump</b>ed or not. You can generally leave this as <c>0</c> (zero). 66 be <b>dump</b>ed or not. You can generally leave this as <c>0</c> (zero).
72</li> 67</li>
73<li> 68<li>
74 The sixth field is used by <c>fsck</c> the order in which filesystems should 69 The sixth field is used by <c>fsck</c> to determine the order in which
75 be <b>check</b>ed if the system wasn't shut down properly. The root filesystem 70 filesystems should be <b>check</b>ed if the system wasn't shut down properly.
76 should have <c>1</c> while the rest should have <c>2</c> (or <c>0</c> in case 71 The root filesystem should have <c>1</c> while the rest should have <c>2</c>
77 a filesystem check isn't necessary). 72 (or <c>0</c> if a filesystem check isn't necessary).
78</li> 73</li>
79</ul> 74</ul>
80 75
81<p> 76<impo>
82So start <c>nano</c> (or your favorite editor) to create your 77The default <path>/etc/fstab</path> file provided by Gentoo <e>is not a valid
83<path>/etc/fstab</path>: 78fstab file</e>, You <b>have to create</b> your own <path>/etc/fstab</path>.
84</p> 79</impo>
85 80
86<pre caption="Opening /etc/fstab"> 81<pre caption="Opening /etc/fstab">
87# <i>nano -w /etc/fstab</i> 82# <i>nano -w /etc/fstab</i>
88</pre> 83</pre>
89 84
85</body>
86<body test="func:keyval('/boot')">
87
90<p> 88<p>
91Lets take a look at how we write down the options for the <path>/boot</path> 89Let us take a look at how we write down the options for the <path>/boot</path>
92partition. This is just an example, so if your architecture doesn't require a 90partition. This is just an example, if you didn't or couldn't create a
93<path>/boot</path> partition, don't copy it verbatim. 91<path>/boot</path>, don't copy it.
94</p>
95
96<p> 92</p>
93
94<p test="contains(func:keyval('/boot'), '/dev/hd')">
97In our default x86 partitioning example <path>/boot</path> is the 95In our default <keyval id="arch"/> partitioning example, <path>/boot</path> is
98<path>/dev/hda1</path> partition, with <c>ext2</c> as filesystem. It shouldn't 96usually the <path><keyval id="/boot"/></path> partition (or
99be mounted automatically (<c>noauto</c>) but does need to be checked. So we 97<path>/dev/sda*</path> if you use SCSI or SATA drives), with <c>ext2</c> as
100would write down: 98filesystem. It needs to be checked during boot, so we would write down:
99</p>
100
101<p test="contains(func:keyval('/boot'), '/dev/sd')">
102In our default <keyval id="arch"/> partitioning example, <path>/boot</path> is
103usually the <path><keyval id="/boot"/></path> partition, with <c>ext2</c> as
104filesystem. It needs to be checked during boot, so we would write down:
101</p> 105</p>
102 106
103<pre caption="An example /boot line for /etc/fstab"> 107<pre caption="An example /boot line for /etc/fstab">
104/dev/hda1 /boot ext2 noauto 1 2 108<keyval id="/boot"/> /boot ext2 defaults 1 2
105</pre> 109</pre>
106 110
107<p>
108Now, to improve performance, most users would want to add the <c>noatime</c>
109option as mountoption, which results in a faster system since access times
110aren't registered (you don't need those generally anyway):
111</p> 111<p>
112 112Some users don't want their <path>/boot</path> partition to be mounted
113<pre caption="An improved /boot line for /etc/fstab"> 113automatically to improve their system's security. Those people should
114/dev/hda1 /boot ext2 noauto,noatime 1 2 114substitute <c>defaults</c> with <c>noauto</c>. This does mean that you need to
115</pre> 115manually mount this partition every time you want to use it.
116
117<p> 116</p>
118If we continue with this, we would end up with the following three lines (for 117
119<path>/boot</path>, <path>/</path> and the swap partition): 118</body>
119<body>
120
121<p test="not(func:keyval('arch')='SPARC')">
122Add the rules that match your partitioning scheme and append rules for
123<path>/proc</path>, <c>tmpfs</c>, for your CD-ROM drive(s), and of course, if
124you have other partitions or drives, for those too.
125</p>
126
127<p test="func:keyval('arch')='SPARC'">
128Add the rules that match your partitioning schema and append rules for
129<path>/proc/openprom</path>, <path>/proc</path>, <c>tmpfs</c> , for your CD-ROM
130drive(s), and of course, if you have other partitions or drives, for those too.
131</p>
132
120</p> 133<p>
134Now use the <e>example</e> below to create your <path>/etc/fstab</path>:
135</p>
121 136
122<pre caption="Three /etc/fstab lines"> 137<pre caption="A full /etc/fstab example" test="func:keyval('arch')='AMD64' or func:keyval('arch')='x86'">
123/dev/hda1 /boot ext2 noauto,noatime 1 2 138<keyval id="/boot"/> /boot ext2 defaults,noatime 1 2
124/dev/hda2 none swap sw 0 0 139/dev/hda2 none swap sw 0 0
125/dev/hda3 / ext3 noatime 0 1 140/dev/hda3 / ext3 noatime 0 1
126</pre>
127 141
128<p> 142proc /proc proc defaults 0 0
129To finish up, you should add a rule for <path>/proc</path>, <c>tmpfs</c> 143shm /dev/shm tmpfs nodev,nosuid,noexec 0 0
130(required) and for your CD-ROM drive (and of course, if you have other 144
131partitions or drives, for those too): 145/dev/cdrom /mnt/cdrom auto noauto,user 0 0
132</p> 146</pre>
133 147
134<pre caption="A full /etc/fstab example"> 148<pre caption="A full /etc/fstab example" test="func:keyval('arch')='HPPA'">
135/dev/hda1 /boot ext2 noauto,noatime 1 2 149<keyval id="/boot"/> /boot ext2 defaults,noatime 1 2
150/dev/sda3 none swap sw 0 0
151/dev/sda4 / ext3 noatime 0 1
152
153proc /proc proc defaults 0 0
154shm /dev/shm tmpfs nodev,nosuid,noexec 0 0
155
156/dev/cdrom /mnt/cdrom auto noauto,user 0 0
157</pre>
158
159<pre caption="A full /etc/fstab example" test="func:keyval('arch')='Alpha' or func:keyval('arch')='MIPS'">
160<keyval id="/boot"/> /boot ext2 defaults,noatime 1 2
136/dev/hda2 none swap sw 0 0 161/dev/sda2 none swap sw 0 0
137/dev/hda3 / ext3 noatime 0 1 162/dev/sda3 / ext3 noatime 0 1
138 163
139none /proc proc defaults 0 0 164proc /proc proc defaults 0 0
140none /dev/shm tmpfs defaults 0 0 165shm /dev/shm tmpfs nodev,nosuid,noexec 0 0
141 166
167/dev/cdrom /mnt/cdrom auto noauto,user 0 0
168</pre>
169
170<pre caption="A full /etc/fstab example" test="func:keyval('arch')='SPARC'">
171/dev/sda1 / ext3 noatime 0 1
172/dev/sda2 none swap sw 0 0
173/dev/sda4 /usr ext3 noatime 0 2
174/dev/sda5 /var ext3 noatime 0 2
175/dev/sda6 /home ext3 noatime 0 2
176
177openprom /proc/openprom openpromfs defaults 0 0
178proc /proc proc defaults 0 0
179shm /dev/shm tmpfs nodev,nosuid,noexec 0 0
180
142/dev/cdroms/cdrom0 /mnt/cdrom auto noauto,user 0 0 181/dev/cdrom /mnt/cdrom auto noauto,user 0 0
182</pre>
183
184<note test="func:keyval('arch')='PPC'">
185There are important variations between PPC machine types. Please make sure you
186adapt the following example to your system.
187</note>
188
189<pre caption="A full /etc/fstab example" test="func:keyval('arch')='PPC'">
190/dev/hda4 / ext3 noatime 0 1
191/dev/hda3 none swap sw 0 0
192
193proc /proc proc defaults 0 0
194shm /dev/shm tmpfs nodev,nosuid,noexec 0 0
195
196/dev/cdrom /mnt/cdrom auto noauto,user 0 0
197</pre>
198
199<pre caption="A full /etc/fstab example" test="func:keyval('arch')='PPC64'">
200/dev/sda4 / ext3 noatime 0 1
201/dev/sda3 none swap sw 0 0
202
203proc /proc proc defaults 0 0
204shm /dev/shm tmpfs nodev,nosuid,noexec 0 0
205
206/dev/cdrom /mnt/cdrom auto noauto,user 0 0
143</pre> 207</pre>
144 208
145<p> 209<p>
146<c>auto</c> makes <c>mount</c> guess for the filesystem (recommended for 210<c>auto</c> makes <c>mount</c> guess for the filesystem (recommended for
147removable media as they can be created with one of many filesystems) and 211removable media as they can be created with one of many filesystems) and
148<c>user</c> makes it possible for non-root users to mount the CD. 212<c>user</c> makes it possible for non-root users to mount the CD.
149</p> 213</p>
150 214
151<p> 215<p>
152Now use the above example to create your <path>/etc/fstab</path>. If you are a 216To improve performance, most users would want to add the <c>noatime</c>
153SPARC-user, you should add the following line to your <path>/etc/fstab</path> 217mount option, which results in a faster system since access times
154too: 218aren't registered (you don't need those generally anyway).
155</p>
156
157<pre caption="Adding openprom filesystem to /etc/fstab">
158none /proc/openprom openpromfs defaults 0 0
159</pre>
160
161<p> 219</p>
162If you need <c>usbfs</c>, add the following line to <path>/etc/fstab</path>: 220
163</p> 221<p>
164
165<pre caption="Adding usbfs filesystem to /etc/fstab">
166none /proc/bus/usb usbfs defaults 0 0
167</pre>
168
169<p>
170Reread your <path>/etc/fstab</path>, save and quit to continue. 222Double-check your <path>/etc/fstab</path>, save and quit to continue.
171</p> 223</p>
172 224
173</body> 225</body>
174</subsection> 226</subsection>
175</section> 227</section>
176<section> 228<section>
177<title>Networking Information</title> 229<title>Networking Information</title>
178<subsection> 230<subsection>
179<title>Hostname, Domainname etc.</title> 231<title>Host name, Domainname, etc</title>
180<body> 232<body>
181 233
182<p> 234<p>
183One of the choices the user has to make is name his PC. This seems to be quite 235One of the choices the user has to make is name his/her PC. This seems to be
184easy, but <e>lots</e> of users are having difficulties finding the appropriate 236quite easy, but <e>lots</e> of users are having difficulties finding the
185name for their Linux-pc. To speed things up, know that any name you choose can 237appropriate name for their Linux-pc. To speed things up, know that any name you
186be changed afterwards. For all we care, you can just call your system 238choose can be changed afterwards. For all we care, you can just call your system
187<c>tux</c> and domain <c>homenetwork</c>. 239<c>tux</c> and domain <c>homenetwork</c>.
188</p> 240</p>
189 241
190<p>
191We use these values in the next examples. First we set the hostname:
192</p>
193
194<pre caption="Setting the hostname"> 242<pre caption="Setting the host name">
195# <i>echo tux &gt; /etc/hostname</i> 243# <i>nano -w /etc/conf.d/hostname</i>
196</pre>
197 244
245<comment>(Set the HOSTNAME variable to your host name)</comment>
246HOSTNAME="<i>tux</i>"
247</pre>
248
198<p> 249<p>
199Second we set the domainname: 250Second we set the domainname in <path>/etc/conf.d/net</path>:
200</p> 251</p>
201 252
202<pre caption="Setting the domainname"> 253<pre caption="Setting the domainname">
203# <i>echo homenetwork &gt; /etc/dnsdomainname</i> 254# <i>nano -w /etc/conf.d/net</i>
255
256<comment>(Set the dns_domain variable to your domain name)</comment>
257dns_domain_lo="<i>homenetwork</i>"
204</pre> 258</pre>
205 259
206<p> 260<p>
207If you have a NIS domain (if you don't know what that is, then you don't have 261If you have a NIS domain (if you don't know what that is, then you don't have
208one), you need to define that one too: 262one), you need to define that one too:
209</p> 263</p>
210 264
211<pre caption="Setting the NIS domainname"> 265<pre caption="Setting the NIS domainname">
212# <i>echo nis.homenetwork &gt; /etc/nisdomainname</i> 266# <i>nano -w /etc/conf.d/net</i>
213</pre>
214 267
215<p> 268<comment>(Set the nis_domain variable to your NIS domain name)</comment>
216Now add the <c>domainname</c> script to the default runlevel: 269nis_domain_lo="<i>my-nisdomain</i>"
217</p> 270</pre>
218 271
219<pre caption="Adding domainname to the default runlevel"> 272<note>
220# <i>rc-update add domainname default</i> 273For more information on configuring DNS and NIS, please read the examples
221</pre> 274provided in <path>/etc/conf.d/net.example</path>. Also, you may want to emerge
275<c>resolvconf-gentoo</c> to help manage your DNS/NIS setup.
276</note>
222 277
223</body> 278</body>
224</subsection> 279</subsection>
225<subsection> 280<subsection>
226<title>Configuring your Network</title> 281<title>Configuring your Network</title>
227<body> 282<body>
228 283
229<p> 284<p>
230Before you get that "Hey, we've had that already"-feeling, you should remember 285Before you get that "Hey, we've had that already"-feeling, you should remember
231that the networking you set up in the beginning of the gentoo installation was 286that the networking you set up in the beginning of the Gentoo installation was
232just for the installation. Right now you are going to configure networking for 287just for the installation. Right now you are going to configure networking for
233your Gentoo system permanently. 288your Gentoo system permanently.
234</p> 289</p>
235 290
291<note>
292More detailed information about networking, including advanced topics like
293bonding, bridging, 802.1Q VLANs or wireless networking is covered in the <uri
294link="?part=4">Gentoo Network Configuration</uri> section.
295</note>
296
236<p> 297<p>
237All networking information is gathered in <path>/etc/conf.d/net</path>. It uses 298All networking information is gathered in <path>/etc/conf.d/net</path>. It uses
238a straightforward yet not intuitive syntax if you don't know how to setup 299a straightforward yet not intuitive syntax if you don't know how to set up
239networking manually. But don't fear, we'll explain everything :) 300networking manually. But don't fear, we'll explain everything. A fully
240</p> 301commented example that covers many different configurations is available in
241 302<path>/etc/conf.d/net.example</path>.
242<p> 303</p>
304
305<p>
306DHCP is used by default. For DHCP to work, you will need to install a DHCP
307client. This is described later in <uri
308link="?part=1&amp;chap=9#networking-tools">Installing Necessary System
309Tools</uri>. Do not forget to install a DHCP client.
310</p>
311
312<p>
313If you need to configure your network connection either because you need
314specific DHCP options or because you do not use DHCP at all, open
243First open <path>/etc/conf.d/net</path> with your favorite editor (<c>nano</c> 315<path>/etc/conf.d/net</path> with your favorite editor (<c>nano</c> is used in
244is used in this example): 316this example):
245</p> 317</p>
246 318
247<pre caption="Opening /etc/conf.d/net for editing"> 319<pre caption="Opening /etc/conf.d/net for editing">
248# <i>nano -w /etc/conf.d/net</i> 320# <i>nano -w /etc/conf.d/net</i>
249</pre> 321</pre>
250 322
251<p> 323<p>
252The first variable you'll find is <c>iface_eth0</c>. It uses the following 324You will see the following file:
253syntax:
254</p>
255
256<pre caption="iface_eth0 syntaxis">
257iface_eth0="<i>&lt;your ip address&gt;</i> broadcast <i>&lt;your broadcast address&gt;</i> netmask <i>&lt;your netmask&gt;</i>"
258</pre>
259
260<p> 325</p>
261If you use DHCP (automatic IP retrieval), you should just set <c>iface_eth0</c> 326
262to <c>dhcp</c>. However, if you need to setup your network manually and you're 327<pre caption="Default /etc/conf.d/net">
263not familiar with all the above terms, please read the section on <uri 328# This blank configuration will automatically use DHCP for any net.*
264link="?part=1&amp;chap=3#doc_chap4_sect3">Understanding Network 329# scripts in /etc/init.d. To create a more complete configuration,
265Terminology</uri> if you haven't done so already. 330# please review /etc/conf.d/net.example and save your configuration
331# in /etc/conf.d/net (this file :]!).
332</pre>
333
266</p> 334<p>
267 335To enter your own IP address, netmask and gateway, you need
336to set both <c>config_eth0</c> and <c>routes_eth0</c>:
268<p> 337</p>
269So lets give two examples; the first one uses DHCP, the second one a static IP 338
270(192.168.0.2) with netmask 255.255.255.0, broadcast 192.168.0.255 and gateway 339<pre caption="Manually setting IP information for eth0">
271192.168.0.1: 340config_eth0=( "192.168.0.2 netmask 255.255.255.0 brd 192.168.0.255" )
341routes_eth0=( "default gw 192.168.0.1" )
342</pre>
343
272</p> 344<p>
273 345To use DHCP and add specific DHCP options, define <c>config_eth0</c> and
274<pre caption="Examples for /etc/conf.d/net"> 346<c>dhcp_eth0</c>:
275<comment>(For DHCP:)</comment>
276iface_eth0="dhcp"
277
278<comment>(For static IP:)</comment>
279iface_eth0="192.168.0.2 broadcast 192.168.0.255 netmask 255.255.255.0"
280gateway="eth0/192.168.0.1"
281</pre>
282
283<p> 347</p>
284If you have several network interfaces, create extra <c>iface_eth</c> variables, 348
285like <c>iface_eth1</c>, <c>iface_eth2</c> etc. The <c>gateway</c> variable 349<pre caption="Automatically obtaining an IP address for eth0">
286shouldn't be reproduced as you can only set one gateway per computer. 350config_eth0=( "dhcp" )
351dhcp_eth0="nodns nontp nonis"
352</pre>
353
354<p>
355Please read <path>/etc/conf.d/net.example</path> for a list of all available
356options.
357</p>
358
359<p>
360If you have several network interfaces repeat the above steps for
361<c>config_eth1</c>, <c>config_eth2</c>, etc.
287</p> 362</p>
288 363
289<p> 364<p>
290Now save the configuration and exit to continue. 365Now save the configuration and exit to continue.
291</p> 366</p>
295<subsection> 370<subsection>
296<title>Automatically Start Networking at Boot</title> 371<title>Automatically Start Networking at Boot</title>
297<body> 372<body>
298 373
299<p> 374<p>
300To have your network interfaces activated at boot, you need to add those to the 375To have your network interfaces activated at boot, you need to add them to the
301default runlevel. If you have PCMCIA interfaces you should skip this action as 376default runlevel. If you have PCMCIA interfaces you should skip this action as
302the PCMCIA interfaces are started by the PCMCIA init script. 377the PCMCIA interfaces are started by the PCMCIA init script.
303</p> 378</p>
304 379
305<pre caption="Adding net.eth0 to the default runlevel"> 380<pre caption="Adding net.eth0 to the default runlevel">
312use <c>ln</c> to do this: 387use <c>ln</c> to do this:
313</p> 388</p>
314 389
315<pre caption="Creating extra initscripts"> 390<pre caption="Creating extra initscripts">
316# <i>cd /etc/init.d</i> 391# <i>cd /etc/init.d</i>
317# <i>ln -s net.eth0 net.eth1</i> 392# <i>ln -s net.lo net.eth1</i>
318# <i>rc-update add net.eth1 default</i> 393# <i>rc-update add net.eth1 default</i>
319</pre> 394</pre>
320 395
321</body> 396</body>
322</subsection> 397</subsection>
324<title>Writing Down Network Information</title> 399<title>Writing Down Network Information</title>
325<body> 400<body>
326 401
327<p> 402<p>
328You now need to inform Linux about your network. This is defined in 403You now need to inform Linux about your network. This is defined in
329<path>/etc/hosts</path> and helps in resolving hostnames to IP addresses 404<path>/etc/hosts</path> and helps in resolving host names to IP addresses for
330for hosts that aren't resolved by your nameserver. For instance, if your 405hosts that aren't resolved by your nameserver. You need to define your system.
331internal network consists of three PCs called <c>jenny</c> (192.168.0.5), 406You may also want to define other systems on your network if you don't want to
332<c>benny</c> (192.168.0.6) and <c>tux</c> (this system) you would 407set up your own internal DNS system.
333open <path>/etc/hosts</path> and fill in the values:
334</p> 408</p>
335 409
336<pre caption="Opening /etc/hosts"> 410<pre caption="Opening /etc/hosts">
337# <i>nano -w /etc/hosts</i> 411# <i>nano -w /etc/hosts</i>
338</pre> 412</pre>
339 413
340<pre caption="Filling in the networking information"> 414<pre caption="Filling in the networking information">
415<comment>(This defines the current system)</comment>
341127.0.0.1 tux.homenetwork localhost 416127.0.0.1 tux.homenetwork tux localhost
342192.168.0.5 jenny
343192.168.0.56 benny
344</pre>
345 417
346<p> 418<comment>(Define extra systems on your network,
347If your system is the only system (or the nameservers handle all name 419they need to have a static IP to be defined this way.)</comment>
348resolution) a single line is sufficient: 420192.168.0.5 jenny.homenetwork jenny
349</p> 421192.168.0.6 benny.homenetwork benny
350
351<pre caption="/etc/hosts for lonely or fully integrated PCs">
352127.0.0.1 localhost tux
353</pre> 422</pre>
354 423
355<p> 424<p>
356Save and exit the editor to continue. 425Save and exit the editor to continue.
357</p> 426</p>
358 427
359<p> 428<p test="func:keyval('arch')='AMD64' or func:keyval('arch')='x86' or substring(func:keyval('arch'),1,3)='PPC'">
360If you don't have PCMCIA, you can now continue with <uri 429If you don't have PCMCIA, you can now continue with <uri
361link="#doc_chap4">System Information</uri>. PCMCIA-users should read the 430link="#sysinfo">System Information</uri>. PCMCIA-users should read the
362following topic on PCMCIA. 431following topic on PCMCIA.
363</p> 432</p>
364 433
365</body> 434</body>
366</subsection> 435</subsection>
367<subsection> 436<subsection test="func:keyval('arch')='AMD64' or func:keyval('arch')='x86' or substring(func:keyval('arch'),1,3)='PPC'">
368<title>Optional: Get PCMCIA Working</title> 437<title>Optional: Get PCMCIA Working</title>
369<body> 438<body>
370 439
371<p> 440<p>
372PCMCIA-users should first install the <c>pcmcia-cs</c> package: 441PCMCIA-users should first install the <c>pcmcia-cs</c> package. This also
442includes users who will be working with a 2.6 kernel (even though they won't be
443using the PCMCIA drivers from this package). The <c>USE="-X"</c> is necessary
444to avoid installing xorg-x11 at this moment:
373</p> 445</p>
374 446
375<pre caption="Installing pcmcia-cs"> 447<pre caption="Installing pcmcia-cs">
376# <i>emerge --usepkg pcmcia-cs</i> 448# <i>USE="-X" emerge pcmcia-cs</i>
377</pre> 449</pre>
378 450
379<p> 451<p>
380When <c>pcmcia-cs</c> is installed, add <c>pcmcia</c> to the <e>boot</e> 452When <c>pcmcia-cs</c> is installed, add <c>pcmcia</c> to the <e>default</e>
381runlevel: 453runlevel:
382</p> 454</p>
383 455
384<pre caption="Adding pcmcia to the boot runlevel"> 456<pre caption="Adding pcmcia to the default runlevel">
385# <i>rc-update add pcmcia boot</i> 457# <i>rc-update add pcmcia default</i>
386</pre> 458</pre>
387 459
388</body> 460</body>
389</subsection> 461</subsection>
390</section> 462</section>
463
464<section id="sysinfo">
465<title>System Information</title>
391<section> 466<subsection>
467<title>Root Password</title>
468<body>
469
470<p>
471First we set the root password by typing:
472</p>
473
474<pre caption="Setting the root password">
475# <i>passwd</i>
476</pre>
477
478<p>
479If you want root to be able to log on through the serial console, add
480<c>tts/0</c> to <path>/etc/securetty</path>:
481</p>
482
483<pre caption="Adding tts/0 to /etc/securetty">
484# <i>echo "tts/0" &gt;&gt; /etc/securetty</i>
485</pre>
486
487</body>
488</subsection>
489<subsection>
392<title>System Information</title> 490<title>System Information</title>
393<body> 491<body>
394 492
395<p> 493<p>
396Gentoo uses <path>/etc/rc.conf</path> for general, system-wide configuration. 494Gentoo uses <path>/etc/rc.conf</path> for general, system-wide configuration.
400<pre caption="Opening /etc/rc.conf"> 498<pre caption="Opening /etc/rc.conf">
401# <i>nano -w /etc/rc.conf</i> 499# <i>nano -w /etc/rc.conf</i>
402</pre> 500</pre>
403 501
404<p> 502<p>
503When you're finished configuring <path>/etc/rc.conf</path>, save and exit.
504</p>
505
506<p>
405As you can see, this file is well commented to help you set up the necessary 507As you can see, this file is well commented to help you set up the necessary
406configuration variables. When you're finished configuring 508configuration variables. You can configure your system to use unicode and
407<path>/etc/rc.conf</path>, save and exit to continue. 509define your default editor and your display manager (like gdm or kdm).
510</p>
511
408</p> 512<p>
513Gentoo uses <path>/etc/conf.d/keymaps</path> to handle keyboard configuration.
514Edit it to configure your keyboard.
515</p>
409 516
517<pre caption="Opening /etc/conf.d/keymaps">
518# <i>nano -w /etc/conf.d/keymaps</i>
519</pre>
520
521<p>
522Take special care with the <c>KEYMAP</c> variable. If you select the wrong
523<c>KEYMAP</c>, you will get weird results when typing on your keyboard.
524</p>
525
526<note test="func:keyval('arch')='SPARC'">
527Users of USB-based SPARC systems and SPARC clones might need to select an i386
528keymap (such as "us") instead of "sunkeymap".
529</note>
530
531<note test="substring(func:keyval('arch'),1,3)='PPC'">
532PPC uses x86 keymaps on most systems. Users who want to be able to use ADB
533keymaps on boot have to enable ADB keycode sendings in their kernel and have to
534set a mac/ppc keymap in <path>/etc/conf.d/keymaps</path>.
535</note>
536
537<p>
538When you're finished configuring <path>/etc/conf.d/keymaps</path>, save and
539exit.
540</p>
541
542<p>
543Gentoo uses <path>/etc/conf.d/clock</path> to set clock options. Edit it
544according to your needs.
545</p>
546
547<pre caption="Opening /etc/conf.d/clock">
548# <i>nano -w /etc/conf.d/clock</i>
549</pre>
550
551<p>
552If your hardware clock is not using UTC, you need to add <c>CLOCK="local"</c>
553to the file. Otherwise you will notice some clock skew.
554</p>
555
556<p>
557When you're finished configuring <path>/etc/conf.d/clock</path>, save and
558exit.
559</p>
560
561<p test="not(func:keyval('arch')='PPC64')">
562Please continue with <uri link="?part=1&amp;chap=9">Installing Necessary System
563Tools</uri>.
564</p>
565
566</body>
567</subsection>
568<subsection test="func:keyval('arch')='PPC64'">
569<title>Configuring the Console</title>
410</body> 570<body>
571
572<p>
573If you are using a virtual console, you must uncomment the appropriate line in
574<path>/etc/inittab</path> for the virtual console to spawn a login prompt.
575</p>
576
577<pre caption="Enabling hvc or hvsi support in /etc/inittab">
578hvc0:12345:respawn:/sbin/agetty -L 9600 hvc0
579hvsi:12345:respawn:/sbin/agetty -L 19200 hvsi0
580</pre>
581
582<p>
583You should also take this time to verify that the appropriate console is
584listed in <path>/etc/securetty</path>.
585</p>
586
587<p>
588You may now continue with <uri link="?part=1&amp;chap=9">Installing Necessary
589System Tools</uri>.
590</p>
591
592</body>
593</subsection>
411</section> 594</section>
412</sections> 595</sections>

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