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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 1.49 2004/10/23 11:04:27 swift Exp $ --> 7<!-- $Header: /var/cvsroot/gentoo/xml/htdocs/doc/en/handbook/hb-install-config.xml,v 1.100 2009/02/11 08:40:54 nightmorph Exp $ -->
8 8
9<sections> 9<sections>
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
17<version>9.3</version>
18<date>2009-02-11</date>
19
10<section> 20<section>
11<title>Filesystem Information</title> 21<title>Filesystem Information</title>
12<subsection> 22<subsection>
13<title>What is fstab?</title> 23<title>What is fstab?</title>
14<body> 24<body>
15 25
16<p> 26<p>
17Under Linux, all partitions used by the system must be listed in 27Under Linux, all partitions used by the system must be listed in
18<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
19(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
20and with what special options (automatically or not, whether users can mount 30and with what special options (automatically or not, whether users can mount
21them or not, etc.) 31them or not, etc.)
22</p> 32</p>
23 33
37<li> 47<li>
38 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
39 file) 49 file)
40</li> 50</li>
41<li> 51<li>
42 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
43 mounted 53 mounted
44</li> 54</li>
45<li> 55<li>
46 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
47</li> 57</li>
48<li> 58<li>
49 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
50 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,
51 you are encouraged to read the mount man page (<c>man mount</c>) for a full 61 you are encouraged to read the mount man page (<c>man mount</c>) for a full
52 listing. Multiple mountoptions are comma-separated. 62 listing. Multiple mount options are comma-separated.
53</li> 63</li>
54<li> 64<li>
55 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
56 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).
57</li> 67</li>
61 The root filesystem should have <c>1</c> while the rest should have <c>2</c> 71 The root filesystem should have <c>1</c> while the rest should have <c>2</c>
62 (or <c>0</c> if a filesystem check isn't necessary). 72 (or <c>0</c> if a filesystem check isn't necessary).
63</li> 73</li>
64</ul> 74</ul>
65 75
66<p> 76<impo>
67The default <path>/etc/fstab</path> file provided by Gentoo <e>is no valid fstab 77The default <path>/etc/fstab</path> file provided by Gentoo <e>is not a valid
68file</e>, so start <c>nano</c> (or your favorite editor) to create your 78fstab file</e>. You <b>have to create</b> your own <path>/etc/fstab</path>.
69<path>/etc/fstab</path>: 79</impo>
70</p>
71 80
72<pre caption="Opening /etc/fstab"> 81<pre caption="Opening /etc/fstab">
73# <i>nano -w /etc/fstab</i> 82# <i>nano -w /etc/fstab</i>
74</pre> 83</pre>
75 84
85</body>
86<body test="func:keyval('/boot')">
87
76<p> 88<p>
77Let us 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>
78partition. 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
79<path>/boot</path> partition (such as <b>PPC</b>), don't copy it verbatim. 91<path>/boot</path>, don't copy it.
80</p>
81
82<p> 92</p>
93
94<p>
83In our default x86 partitioning example <path>/boot</path> is the 95In our default <keyval id="arch"/> partitioning example, <path>/boot</path> is
84<path>/dev/hda1</path> partition, with <c>ext2</c> as filesystem. 96usually the <path><keyval id="/boot"/></path> partition, with <c>ext2</c> as
85It needs to be checked during boot, so we would write down: 97filesystem. It needs to be checked during boot, so we would write down:
86</p> 98</p>
87 99
88<pre caption="An example /boot line for /etc/fstab"> 100<pre caption="An example /boot line for /etc/fstab">
89/dev/hda1 /boot ext2 defaults 1 2 101<keyval id="/boot"/> /boot ext2 defaults 1 2
90</pre> 102</pre>
91 103
92<p> 104<p>
93Some users don't want their <path>/boot</path> partition to be mounted 105Some users don't want their <path>/boot</path> partition to be mounted
94automatically to improve their system's security. Those people should 106automatically to improve their system's security. Those people should
95substitute <c>defaults</c> with <c>noauto</c>. This does mean that you need to 107substitute <c>defaults</c> with <c>noauto</c>. This does mean that you need to
96manually mount this partition every time you want to use it. 108manually mount this partition every time you want to use it.
97</p> 109</p>
98 110
99<p> 111</body>
100Now, to improve performance, most users would want to add the <c>noatime</c> 112<body>
101option as mountoption, which results in a faster system since access times 113
102aren't registered (you don't need those generally anyway):
103</p> 114<p>
104 115Add the rules that match your partitioning scheme and append rules for
105<pre caption="An improved /boot line for /etc/fstab"> 116your CD-ROM drive(s), and of course, if you have other partitions or drives,
106/dev/hda1 /boot ext2 defaults,noatime 1 2 117for those too.
107</pre>
108
109<p> 118</p>
110If we continue with this, we would end up with the following three lines (for 119
111<path>/boot</path>, <path>/</path> and the swap partition):
112</p> 120<p>
121Now use the <e>example</e> below to create your <path>/etc/fstab</path>:
122</p>
113 123
114<pre caption="Three /etc/fstab lines"> 124<pre caption="A full /etc/fstab example" test="func:keyval('arch')='HPPA'">
115/dev/hda1 /boot ext2 defaults,noatime 1 2 125<keyval id="/boot"/> /boot ext2 defaults,noatime 1 2
116/dev/hda2 none swap sw 0 0 126/dev/sda3 none swap sw 0 0
117/dev/hda3 / ext3 noatime 0 1 127/dev/sda4 / ext3 noatime 0 1
118</pre>
119 128
120<p> 129/dev/cdrom /mnt/cdrom auto noauto,user 0 0
121To finish up, you should add a rule for <path>/proc</path>, <c>tmpfs</c>
122(required) and for your CD-ROM drive (and of course, if you have other
123partitions or drives, for those too):
124</p> 130</pre>
125 131
126<pre caption="A full /etc/fstab example"> 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'">
127/dev/hda1 /boot ext2 noauto,noatime 1 2 133<keyval id="/boot"/> /boot ext2 defaults,noatime 1 2
128/dev/hda2 none swap sw 0 0 134/dev/sda2 none swap sw 0 0
129/dev/hda3 / ext3 noatime 0 1 135/dev/sda3 / ext3 noatime 0 1
130 136
131none /proc proc defaults 0 0 137/dev/cdrom /mnt/cdrom auto noauto,user 0 0
132none /dev/shm tmpfs nodev,nosuid,noexec 0 0 138</pre>
133 139
140<pre caption="A full /etc/fstab example" test="func:keyval('arch')='SPARC'">
141/dev/sda1 / ext3 noatime 0 1
142/dev/sda2 none swap sw 0 0
143/dev/sda4 /usr ext3 noatime 0 2
144/dev/sda5 /var ext3 noatime 0 2
145/dev/sda6 /home ext3 noatime 0 2
146
147<comment># You must add the rules for openprom</comment>
148openprom /proc/openprom openpromfs defaults 0 0
149
134/dev/cdroms/cdrom0 /mnt/cdrom auto noauto,user 0 0 150/dev/cdrom /mnt/cdrom auto noauto,user 0 0
151</pre>
152
153<pre caption="A full /etc/fstab example" test="func:keyval('arch')='PPC' or
154func:keyval('arch')='PPC64'">
155/dev/sda4 / ext3 noatime 0 1
156/dev/sda3 none swap sw 0 0
157
158/dev/cdrom /mnt/cdrom auto noauto,user 0 0
135</pre> 159</pre>
136 160
137<p> 161<p>
138<c>auto</c> makes <c>mount</c> guess for the filesystem (recommended for 162<c>auto</c> makes <c>mount</c> guess for the filesystem (recommended for
139removable media as they can be created with one of many filesystems) and 163removable media as they can be created with one of many filesystems) and
140<c>user</c> makes it possible for non-root users to mount the CD. 164<c>user</c> makes it possible for non-root users to mount the CD.
141</p> 165</p>
142 166
143<p> 167<p>
144Now use the above example to create your <path>/etc/fstab</path>. If you are a 168To improve performance, most users would want to add the <c>noatime</c>
145<b>SPARC</b>-user, you should add the following line to your 169mount option, which results in a faster system since access times
146<path>/etc/fstab</path> 170aren't registered (you don't need those generally anyway).
147too:
148</p>
149
150<pre caption="Adding openprom filesystem to /etc/fstab">
151none /proc/openprom openpromfs defaults 0 0
152</pre>
153
154<p> 171</p>
155If you need <c>usbfs</c>, add the following line to <path>/etc/fstab</path>:
156</p>
157
158<pre caption="Adding usbfs filesystem to /etc/fstab">
159none /proc/bus/usb usbfs defaults 0 0
160</pre>
161 172
162<p> 173<p>
163Double-check your <path>/etc/fstab</path>, save and quit to continue. 174Double-check your <path>/etc/fstab</path>, save and quit to continue.
164</p> 175</p>
165 176
167</subsection> 178</subsection>
168</section> 179</section>
169<section> 180<section>
170<title>Networking Information</title> 181<title>Networking Information</title>
171<subsection> 182<subsection>
172<title>Hostname, Domainname etc.</title> 183<title>Host name, Domainname, etc</title>
173<body> 184<body>
174 185
175<p> 186<p>
176One of the choices the user has to make is name his/her PC. This seems to be 187One of the choices the user has to make is name his/her PC. This seems to be
177quite easy, but <e>lots</e> of users are having difficulties finding the 188quite easy, but <e>lots</e> of users are having difficulties finding the
178appropriate name for their Linux-pc. To speed things up, know that any name you 189appropriate name for their Linux-pc. To speed things up, know that any name you
179choose can be changed afterwards. For all we care, you can just call your system 190choose can be changed afterwards. For all we care, you can just call your system
180<c>tux</c> and domain <c>homenetwork</c>. 191<c>tux</c> and domain <c>homenetwork</c>.
181</p> 192</p>
182 193
183<p>
184We use these values in the next examples. First we set the hostname:
185</p>
186
187<pre caption="Setting the hostname"> 194<pre caption="Setting the host name">
188# <i>echo tux &gt; /etc/hostname</i> 195# <i>nano -w /etc/conf.d/hostname</i>
189</pre>
190 196
197<comment>(Set the HOSTNAME variable to your host name)</comment>
198HOSTNAME="<i>tux</i>"
199</pre>
200
191<p> 201<p>
192Second we set the domainname: 202Second, <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
204have a DNS server but not a DHCP server. You don't need to worry about DNS or
205domainnames if your networking is setup for DHCP.
193</p> 206</p>
194 207
195<pre caption="Setting the domainname"> 208<pre caption="Setting the domainname">
196# <i>echo homenetwork &gt; /etc/dnsdomainname</i> 209# <i>nano -w /etc/conf.d/net</i>
210
211<comment>(Set the dns_domain variable to your domain name)</comment>
212dns_domain_lo="<i>homenetwork</i>"
197</pre> 213</pre>
214
215<note>
216If you choose not to set a domainname, you can get rid of the "This is
217hostname.(none)" messages at your login screen by editing
218<path>/etc/issue</path>. Just delete the string <c>.\O</c> from that file.
219</note>
198 220
199<p> 221<p>
200If you have a NIS domain (if you don't know what that is, then you don't have 222If you have a NIS domain (if you don't know what that is, then you don't have
201one), you need to define that one too: 223one), you need to define that one too:
202</p> 224</p>
203 225
204<pre caption="Setting the NIS domainname"> 226<pre caption="Setting the NIS domainname">
205# <i>echo nis.homenetwork &gt; /etc/nisdomainname</i> 227# <i>nano -w /etc/conf.d/net</i>
206</pre>
207 228
208<p> 229<comment>(Set the nis_domain variable to your NIS domain name)</comment>
209Now add the <c>domainname</c> script to the default runlevel: 230nis_domain_lo="<i>my-nisdomain</i>"
210</p> 231</pre>
211 232
212<pre caption="Adding domainname to the default runlevel"> 233<note>
213# <i>rc-update add domainname default</i> 234For more information on configuring DNS and NIS, please read the examples
214</pre> 235provided in <path>/etc/conf.d/net.example</path>. Also, you may want to emerge
236<c>openresolv</c> to help manage your DNS/NIS setup.
237</note>
215 238
216</body> 239</body>
217</subsection> 240</subsection>
218<subsection> 241<subsection>
219<title>Configuring your Network</title> 242<title>Configuring your Network</title>
220<body> 243<body>
221 244
222<p> 245<p>
223Before you get that "Hey, we've had that already"-feeling, you should remember 246Before you get that "Hey, we've had that already"-feeling, you should remember
224that the networking you set up in the beginning of the gentoo installation was 247that the networking you set up in the beginning of the Gentoo installation was
225just for the installation. Right now you are going to configure networking for 248just for the installation. Right now you are going to configure networking for
226your Gentoo system permanently. 249your Gentoo system permanently.
227</p> 250</p>
228 251
252<note>
253More detailed information about networking, including advanced topics like
254bonding, bridging, 802.1Q VLANs or wireless networking is covered in the <uri
255link="?part=4">Gentoo Network Configuration</uri> section.
256</note>
257
229<p> 258<p>
230All networking information is gathered in <path>/etc/conf.d/net</path>. It uses 259All networking information is gathered in <path>/etc/conf.d/net</path>. It uses
231a straightforward yet not intuitive syntax if you don't know how to set up 260a straightforward yet not intuitive syntax if you don't know how to set up
232networking manually. But don't fear, we'll explain everything :) 261networking manually. But don't fear, we'll explain everything. A fully
233</p> 262commented example that covers many different configurations is available in
234 263<path>/etc/conf.d/net.example</path>.
235<p> 264</p>
265
266<p>
267DHCP is used by default. For DHCP to work, you will need to install a DHCP
268client. This is described later in <uri
269link="?part=1&amp;chap=9#networking-tools">Installing Necessary System
270Tools</uri>. Do not forget to install a DHCP client.
271</p>
272
273<p>
274If you need to configure your network connection either because you need
275specific DHCP options or because you do not use DHCP at all, open
236First open <path>/etc/conf.d/net</path> with your favorite editor (<c>nano</c> 276<path>/etc/conf.d/net</path> with your favorite editor (<c>nano</c> is used in
237is used in this example): 277this example):
238</p> 278</p>
239 279
240<pre caption="Opening /etc/conf.d/net for editing"> 280<pre caption="Opening /etc/conf.d/net for editing">
241# <i>nano -w /etc/conf.d/net</i> 281# <i>nano -w /etc/conf.d/net</i>
242</pre> 282</pre>
243 283
244<p> 284<p>
245The first variable you'll find is <c>iface_eth0</c>. It uses the following 285You will see the following file:
246syntax:
247</p>
248
249<pre caption="iface_eth0 syntaxis">
250iface_eth0="<i>&lt;your ip address&gt;</i> broadcast <i>&lt;your broadcast address&gt;</i> netmask <i>&lt;your netmask&gt;</i>"
251</pre>
252
253<p> 286</p>
254If you use DHCP (automatic IP retrieval), you should just set <c>iface_eth0</c> 287
255to <c>dhcp</c>. If you use rp-pppoe (e.g. for ADSL), set it to <c>up</c>. 288<pre caption="Default /etc/conf.d/net">
256If you need to set up your network manually and you're 289# This blank configuration will automatically use DHCP for any net.*
257not familiar with all the above terms, please read the section on <uri 290# scripts in /etc/init.d. To create a more complete configuration,
258link="?part=1&amp;chap=3#network_term">Understanding Network 291# please review /etc/conf.d/net.example and save your configuration
259Terminology</uri> if you haven't done so already. 292# in /etc/conf.d/net (this file :]!).
293</pre>
294
260</p> 295<p>
261 296To enter your own IP address, netmask and gateway, you need
297to set both <c>config_eth0</c> and <c>routes_eth0</c>:
262<p> 298</p>
263So let us give three examples; the first one uses DHCP, the second one a static 299
264IP (192.168.0.2) with netmask 255.255.255.0, broadcast 192.168.0.255 and 300<pre caption="Manually setting IP information for eth0">
265gateway 192.168.0.1 while the third one just activates the interface for 301config_eth0=( "192.168.0.2 netmask 255.255.255.0 brd 192.168.0.255" )
266rp-pppoe usage: 302routes_eth0=( "default via 192.168.0.1" )
303</pre>
304
267</p> 305<p>
268 306To use DHCP, define <c>config_eth0</c>:
269<pre caption="Examples for /etc/conf.d/net">
270<comment>(For DHCP)</comment>
271iface_eth0="dhcp"
272<comment># Some network admins require that you use the</comment>
273<comment># hostname and domainname provided by the DHCP server.</comment>
274<comment># In that case, add the following to let dhcpcd use them.</comment>
275<comment># That will override your own hostname and domainname definitions.</comment>
276dhcpcd_eth0="-HD"
277<comment># If you intend on using NTP to keep your machine clock synchronized, use</comment>
278<comment># the -N option to prevent dhcpcd from overwriting your /etc/ntp.conf file</comment>
279dhcpcd_eth0="-N"
280
281<comment>(For static IP)</comment>
282iface_eth0="192.168.0.2 broadcast 192.168.0.255 netmask 255.255.255.0"
283gateway="eth0/192.168.0.1"
284
285<comment>(For rp-pppoe)</comment>
286iface_eth0="up"
287</pre>
288
289<p> 307</p>
290If you have several network interfaces, create extra <c>iface_eth</c> variables, 308
291like <c>iface_eth1</c>, <c>iface_eth2</c> etc. The <c>gateway</c> variable 309<pre caption="Automatically obtaining an IP address for eth0">
292shouldn't be reproduced as you can only set one gateway per computer. 310config_eth0=( "dhcp" )
311</pre>
312
313<p>
314Please read <path>/etc/conf.d/net.example</path> for a list of all available
315options. Be sure to also read your DHCP client manpage if you need to set
316specific DHCP options.
317</p>
318
319<p>
320If you have several network interfaces repeat the above steps for
321<c>config_eth1</c>, <c>config_eth2</c>, etc.
293</p> 322</p>
294 323
295<p> 324<p>
296Now save the configuration and exit to continue. 325Now save the configuration and exit to continue.
297</p> 326</p>
302<title>Automatically Start Networking at Boot</title> 331<title>Automatically Start Networking at Boot</title>
303<body> 332<body>
304 333
305<p> 334<p>
306To have your network interfaces activated at boot, you need to add them to the 335To have your network interfaces activated at boot, you need to add them to the
307default runlevel. If you have PCMCIA interfaces you should skip this action as 336default runlevel.
308the PCMCIA interfaces are started by the PCMCIA init script.
309</p> 337</p>
310 338
311<pre caption="Adding net.eth0 to the default runlevel"> 339<pre caption="Adding net.eth0 to the default runlevel">
312# <i>rc-update add net.eth0 default</i> 340# <i>rc-update add net.eth0 default</i>
313</pre> 341</pre>
318use <c>ln</c> to do this: 346use <c>ln</c> to do this:
319</p> 347</p>
320 348
321<pre caption="Creating extra initscripts"> 349<pre caption="Creating extra initscripts">
322# <i>cd /etc/init.d</i> 350# <i>cd /etc/init.d</i>
323# <i>ln -s net.eth0 net.eth1</i> 351# <i>ln -s net.lo net.eth1</i>
324# <i>rc-update add net.eth1 default</i> 352# <i>rc-update add net.eth1 default</i>
325</pre> 353</pre>
326 354
327</body> 355</body>
328</subsection> 356</subsection>
330<title>Writing Down Network Information</title> 358<title>Writing Down Network Information</title>
331<body> 359<body>
332 360
333<p> 361<p>
334You now need to inform Linux about your network. This is defined in 362You now need to inform Linux about your network. This is defined in
335<path>/etc/hosts</path> and helps in resolving hostnames to IP addresses 363<path>/etc/hosts</path> and helps in resolving host names to IP addresses for
336for hosts that aren't resolved by your nameserver. For instance, if your 364hosts that aren't resolved by your nameserver. You need to define your system.
337internal network consists of three PCs called <c>jenny</c> (192.168.0.5), 365You may also want to define other systems on your network if you don't want to
338<c>benny</c> (192.168.0.6) and <c>tux</c> (192.168.0.7 - this system) you would 366set up your own internal DNS system.
339open <path>/etc/hosts</path> and fill in the values:
340</p> 367</p>
341 368
342<pre caption="Opening /etc/hosts"> 369<pre caption="Opening /etc/hosts">
343# <i>nano -w /etc/hosts</i> 370# <i>nano -w /etc/hosts</i>
344</pre> 371</pre>
345 372
346<pre caption="Filling in the networking information"> 373<pre caption="Filling in the networking information">
347127.0.0.1 localhost 374<comment>(This defines the current system)</comment>
375127.0.0.1 tux.homenetwork tux localhost
376
377<comment>(Define extra systems on your network,
378they need to have a static IP to be defined this way.)</comment>
348192.168.0.5 jenny.homenetwork jenny 379192.168.0.5 jenny.homenetwork jenny
349192.168.0.6 benny.homenetwork benny 380192.168.0.6 benny.homenetwork benny
350192.168.0.7 tux.homenetwork tux
351</pre>
352
353<p>
354If your system is the only system (or the nameservers handle all name
355resolution) a single line is sufficient. For instance, if you want to call your
356system <c>tux.homenetwork</c>:
357</p>
358
359<pre caption="/etc/hosts for lonely or fully integrated PCs">
360127.0.0.1 tux.homenetwork tux localhost
361</pre> 381</pre>
362 382
363<p> 383<p>
364Save and exit the editor to continue. 384Save and exit the editor to continue.
365</p> 385</p>
366 386
367<p> 387<p test="func:keyval('arch')='AMD64' or func:keyval('arch')='x86' or substring(func:keyval('arch'),1,3)='PPC'">
368If you don't have PCMCIA, you can now continue with <uri 388If you don't have PCMCIA, you can now continue with <uri
369link="#doc_chap3">System Information</uri>. PCMCIA-users should read the 389link="#sysinfo">System Information</uri>. PCMCIA-users should read the
370following topic on PCMCIA. 390following topic on PCMCIA.
371</p> 391</p>
372 392
373</body> 393</body>
374</subsection> 394</subsection>
375<subsection> 395<subsection test="func:keyval('arch')='AMD64' or func:keyval('arch')='x86' or substring(func:keyval('arch'),1,3)='PPC'">
376<title>Optional: Get PCMCIA Working</title> 396<title>Optional: Get PCMCIA Working</title>
377<body> 397<body>
378 398
379<note>
380pcmcia-cs is only available for x86, amd64 and ppc platforms.
381</note>
382
383<p> 399<p>
384PCMCIA-users should first install the <c>pcmcia-cs</c> package. This also 400PCMCIA users should first install the <c>pcmciautils</c> package.
385includes users who will be working with a 2.6 kernel (even though they won't be
386using the PCMCIA drivers from this package). The <c>USE="-X"</c> is necessary
387to avoid installing xorg-x11 at this moment:
388</p> 401</p>
389 402
390<pre caption="Installing pcmcia-cs"> 403<pre caption="Installing pcmciautils">
391# <i>USE="-X" emerge pcmcia-cs</i> 404# <i>emerge pcmciautils</i>
392</pre>
393
394<p>
395When <c>pcmcia-cs</c> is installed, add <c>pcmcia</c> to the <e>default</e>
396runlevel:
397</p>
398
399<pre caption="Adding pcmcia to the default runlevel">
400# <i>rc-update add pcmcia default</i>
401</pre> 405</pre>
402 406
403</body> 407</body>
404</subsection> 408</subsection>
405</section> 409</section>
406<section> 410
411<section id="sysinfo">
407<title>System Information</title> 412<title>System Information</title>
408<subsection> 413<subsection>
409<title>Root Password</title> 414<title>Root Password</title>
410<body> 415<body>
411 416
415 420
416<pre caption="Setting the root password"> 421<pre caption="Setting the root password">
417# <i>passwd</i> 422# <i>passwd</i>
418</pre> 423</pre>
419 424
420<p>
421If you want root to be able to log on through the serial console, add
422<c>tts/0</c> to <path>/etc/securetty</path>:
423</p>
424
425<pre caption="Adding tts/0 to /etc/securetty">
426# <i>echo "tts/0" &gt;&gt; /etc/securetty</i>
427</pre>
428
429</body> 425</body>
430</subsection> 426</subsection>
431<subsection> 427<subsection>
432<title>System Information</title> 428<title>System Information</title>
433<body> 429<body>
440<pre caption="Opening /etc/rc.conf"> 436<pre caption="Opening /etc/rc.conf">
441# <i>nano -w /etc/rc.conf</i> 437# <i>nano -w /etc/rc.conf</i>
442</pre> 438</pre>
443 439
444<p> 440<p>
441When you're finished configuring <path>/etc/rc.conf</path>, save and exit.
442</p>
443
444<p>
445As you can see, this file is well commented to help you set up the necessary 445As you can see, this file is well commented to help you set up the necessary
446configuration variables. Take special care with the <c>KEYMAP</c> setting: if 446configuration variables. You can configure your system to use unicode and
447you select the wrong <c>KEYMAP</c> you will get weird results when typing on 447define your default editor and your display manager (like gdm or kdm).
448your keyboard. 448</p>
449
449</p> 450<p>
451Gentoo uses <path>/etc/conf.d/keymaps</path> to handle keyboard configuration.
452Edit it to configure your keyboard.
453</p>
450 454
451<note> 455<pre caption="Opening /etc/conf.d/keymaps">
452Users of USB-based <b>SPARC</b> systems and <b>SPARC</b> clones might need to 456# <i>nano -w /etc/conf.d/keymaps</i>
453select an i386 keymap (such as "us") instead of "sunkeymap". 457</pre>
458
459<p>
460Take special care with the <c>KEYMAP</c> variable. If you select the wrong
461<c>KEYMAP</c>, you will get weird results when typing on your keyboard.
462</p>
463
464<note test="substring(func:keyval('arch'),1,3)='PPC'">
465PPC uses x86 keymaps on most systems. Users who want to be able to use ADB
466keymaps on boot have to enable ADB keycode sendings in their kernel and have to
467set a mac/ppc keymap in <path>/etc/conf.d/keymaps</path>.
454</note> 468</note>
455 469
456<p> 470<p>
457<b>PPC</b> uses x86 keymaps on most systems. Users who want to be able to use 471When you're finished configuring <path>/etc/conf.d/keymaps</path>, save and
458ADB keymaps on boot have to enable ADB keycode sendings in their kernel and have 472exit.
459to set a mac/ppc keymap in <path>rc.conf</path>.
460</p>
461
462<p> 473</p>
474
475<p>
476Gentoo uses <path>/etc/conf.d/clock</path> to set clock options. Edit it
477according to your needs.
478</p>
479
480<pre caption="Opening /etc/conf.d/clock">
481# <i>nano -w /etc/conf.d/clock</i>
482</pre>
483
484<p>
485If your hardware clock is not using UTC, you need to add <c>CLOCK="local"</c>
486to the file. Otherwise you will notice some clock skew.
487</p>
488
489<p>
490You should define the timezone that you previously copied to
491<path>/etc/localtime</path> so that further upgrades of the
492<c>sys-libs/timezone-data</c> package can update <path>/etc/localtime</path>
493automatically. For instance, if you used the GMT timezone, you would add
494<c>TIMEZONE="GMT"</c>
495</p>
496
497<p>
463When you're finished configuring <path>/etc/rc.conf</path>, save and exit, then 498When you're finished configuring <path>/etc/conf.d/clock</path>, save and
499exit.
500</p>
501
502<p test="not(func:keyval('arch')='PPC64')">
464continue with <uri link="?part=1&amp;chap=9">Installing Necessary System 503Please continue with <uri link="?part=1&amp;chap=9">Installing Necessary System
465Tools</uri>. 504Tools</uri>.
505</p>
506
507</body>
508</subsection>
509<subsection test="func:keyval('arch')='PPC64'">
510<title>Configuring the Console</title>
511<body>
512
513<p>
514If you are using a virtual console, you must uncomment the appropriate line in
515<path>/etc/inittab</path> for the virtual console to spawn a login prompt.
516</p>
517
518<pre caption="Enabling hvc or hvsi support in /etc/inittab">
519hvc0:12345:respawn:/sbin/agetty -L 9600 hvc0
520hvsi:12345:respawn:/sbin/agetty -L 19200 hvsi0
521</pre>
522
523<p>
524You should also take this time to verify that the appropriate console is
525listed in <path>/etc/securetty</path>.
526</p>
527
528<p>
529You may now continue with <uri link="?part=1&amp;chap=9">Installing Necessary
530System Tools</uri>.
466</p> 531</p>
467 532
468</body> 533</body>
469</subsection> 534</subsection>
470</section> 535</section>

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