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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 1.67 2005/06/24 18:47:21 fox2mike Exp $ --> 7<!-- $Header: /var/cvsroot/gentoo/xml/htdocs/doc/en/handbook/hb-install-config.xml,v 1.106 2011/08/14 10:29:40 swift 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>2.9</version> 17<version>13</version>
12<date>2005-06-24</date> 18<date>2011-08-13</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>
18<body> 24<body>
19 25
20<p> 26<p>
21Under Linux, all partitions used by the system must be listed in 27Under Linux, all partitions used by the system must be listed in
22<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
23(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
24and with what special options (automatically or not, whether users can mount 30and with what special options (automatically or not, whether users can mount
25them or not, etc.) 31them or not, etc.)
26</p> 32</p>
27 33
41<li> 47<li>
42 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
43 file) 49 file)
44</li> 50</li>
45<li> 51<li>
46 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
47 mounted 53 mounted
48</li> 54</li>
49<li> 55<li>
50 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
51</li> 57</li>
52<li> 58<li>
53 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
54 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,
55 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
56 listing. Multiple mountoptions are comma-separated. 62 listing. Multiple mount options are comma-separated.
57</li> 63</li>
58<li> 64<li>
59 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
60 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).
61</li> 67</li>
65 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>
66 (or <c>0</c> if a filesystem check isn't necessary). 72 (or <c>0</c> if a filesystem check isn't necessary).
67</li> 73</li>
68</ul> 74</ul>
69 75
70<p> 76<impo>
71The 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
72file</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>.
73<path>/etc/fstab</path>: 79</impo>
74</p>
75 80
76<pre caption="Opening /etc/fstab"> 81<pre caption="Opening /etc/fstab">
77# <i>nano -w /etc/fstab</i> 82# <i>nano -w /etc/fstab</i>
78</pre> 83</pre>
79 84
85</body>
86<body test="func:keyval('/boot')">
87
80<p> 88<p>
81Let 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>
82partition. 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
83<path>/boot</path> partition (such as <b>PPC</b>), don't copy it verbatim. 91<path>/boot</path>, don't copy it.
84</p>
85
86<p> 92</p>
93
94<p>
87In our default x86 partitioning example <path>/boot</path> is the 95In our default <keyval id="arch"/> partitioning example, <path>/boot</path> is
88<path>/dev/hda1</path> partition, with <c>ext2</c> as filesystem. 96usually the <path><keyval id="/boot"/></path> partition, with <c>ext2</c> as
89It needs to be checked during boot, so we would write down: 97filesystem. It needs to be checked during boot, so we would write down:
90</p> 98</p>
91 99
92<pre caption="An example /boot line for /etc/fstab"> 100<pre caption="An example /boot line for /etc/fstab">
93/dev/hda1 /boot ext2 defaults 1 2 101<keyval id="/boot"/> /boot ext2 defaults 1 2
94</pre> 102</pre>
95 103
96<p> 104<p>
97Some 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
98automatically to improve their system's security. Those people should 106automatically to improve their system's security. Those people should
99substitute <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
100manually mount this partition every time you want to use it. 108manually mount this partition every time you want to use it.
101</p> 109</p>
102 110
103<p> 111</body>
104Now, to improve performance, most users would want to add the <c>noatime</c> 112<body>
105option as mountoption, which results in a faster system since access times 113
106aren't registered (you don't need those generally anyway):
107</p> 114<p>
108 115Add the rules that match your partitioning scheme and append rules for
109<pre caption="An improved /boot line for /etc/fstab"> 116your CD-ROM drive(s), and of course, if you have other partitions or drives,
110/dev/hda1 /boot ext2 defaults,noatime 1 2 117for those too.
111</pre>
112
113<p> 118</p>
114If we continue with this, we would end up with the following three lines (for 119
115<path>/boot</path>, <path>/</path> and the swap partition):
116</p> 120<p>
121Now use the <e>example</e> below to create your <path>/etc/fstab</path>:
122</p>
117 123
118<pre caption="Three /etc/fstab lines"> 124<pre caption="A full /etc/fstab example" test="func:keyval('arch')='HPPA'">
119/dev/hda1 /boot ext2 defaults,noatime 1 2 125<keyval id="/boot"/> /boot ext2 defaults,noatime 1 2
120/dev/hda2 none swap sw 0 0 126/dev/sda3 none swap sw 0 0
121/dev/hda3 / ext3 noatime 0 1 127/dev/sda4 / ext3 noatime 0 1
122</pre>
123 128
124<p> 129/dev/cdrom /mnt/cdrom auto noauto,user 0 0
125To finish up, you should add a rule for <path>/proc</path>, <c>tmpfs</c> 130
126(required) and for your CD-ROM drive (and of course, if you have other 131proc /proc proc defaults 0 0
127partitions or drives, for those too): 132shm /dev/shm tmpfs nodev,nosuid,noexec 0 0
128</p> 133</pre>
129 134
130<pre caption="A full /etc/fstab example"> 135<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'">
131/dev/hda1 /boot ext2 defaults,noatime 1 2 136<keyval id="/boot"/> /boot ext2 defaults,noatime 1 2
132/dev/hda2 none swap sw 0 0 137/dev/sda2 none swap sw 0 0
133/dev/hda3 / ext3 noatime 0 1 138/dev/sda3 / ext3 noatime 0 1
134 139
140/dev/cdrom /mnt/cdrom auto noauto,user 0 0
141
135none /proc proc defaults 0 0 142proc /proc proc defaults 0 0
136none /dev/shm tmpfs nodev,nosuid,noexec 0 0 143shm /dev/shm tmpfs nodev,nosuid,noexec 0 0
144</pre>
137 145
146<pre caption="A full /etc/fstab example" test="func:keyval('arch')='SPARC'">
147/dev/sda1 / ext3 noatime 0 1
148/dev/sda2 none swap sw 0 0
149/dev/sda4 /usr ext3 noatime 0 2
150/dev/sda5 /var ext3 noatime 0 2
151/dev/sda6 /home ext3 noatime 0 2
152
153<comment># You must add the rules for openprom</comment>
154openprom /proc/openprom openpromfs defaults 0 0
155
138/dev/cdroms/cdrom0 /mnt/cdrom auto noauto,user 0 0 156/dev/cdrom /mnt/cdrom auto noauto,user 0 0
157
158proc /proc proc defaults 0 0
159shm /dev/shm tmpfs nodev,nosuid,noexec 0 0
160</pre>
161
162<pre caption="A full /etc/fstab example" test="func:keyval('arch')='PPC' or
163func:keyval('arch')='PPC64'">
164/dev/sda4 / ext3 noatime 0 1
165/dev/sda3 none swap sw 0 0
166
167/dev/cdrom /mnt/cdrom auto noauto,user 0 0
168
169proc /proc proc defaults 0 0
170shm /dev/shm tmpfs nodev,nosuid,noexec 0 0
139</pre> 171</pre>
140 172
141<p> 173<p>
142<c>auto</c> makes <c>mount</c> guess for the filesystem (recommended for 174<c>auto</c> makes <c>mount</c> guess for the filesystem (recommended for
143removable media as they can be created with one of many filesystems) and 175removable media as they can be created with one of many filesystems) and
144<c>user</c> makes it possible for non-root users to mount the CD. 176<c>user</c> makes it possible for non-root users to mount the CD.
145</p> 177</p>
146 178
147<p> 179<p>
148Now use the above example to create your <path>/etc/fstab</path>. If you are a 180To improve performance, most users would want to add the <c>noatime</c>
149<b>SPARC</b>-user, you should add the following line to your 181mount option, which results in a faster system since access times
150<path>/etc/fstab</path> 182aren't registered (you don't need those generally anyway).
151too:
152</p>
153
154<pre caption="Adding openprom filesystem to /etc/fstab">
155none /proc/openprom openpromfs defaults 0 0
156</pre> 183</p>
157 184
158<p> 185<p>
159Double-check your <path>/etc/fstab</path>, save and quit to continue. 186Double-check your <path>/etc/fstab</path>, save and quit to continue.
160</p> 187</p>
161 188
163</subsection> 190</subsection>
164</section> 191</section>
165<section> 192<section>
166<title>Networking Information</title> 193<title>Networking Information</title>
167<subsection> 194<subsection>
168<title>Hostname, Domainname etc.</title> 195<title>Host name, Domainname, etc</title>
169<body> 196<body>
170 197
171<p> 198<p>
172One of the choices the user has to make is name his/her PC. This seems to be 199One of the choices the user has to make is name his/her PC. This seems to be
173quite easy, but <e>lots</e> of users are having difficulties finding the 200quite easy, but <e>lots</e> of users are having difficulties finding the
174appropriate name for their Linux-pc. To speed things up, know that any name you 201appropriate name for their Linux-pc. To speed things up, know that any name you
175choose can be changed afterwards. For all we care, you can just call your system 202choose can be changed afterwards. For all we care, you can just call your system
176<c>tux</c> and domain <c>homenetwork</c>. 203<c>tux</c> and domain <c>homenetwork</c>.
177</p> 204</p>
178 205
179<p>
180We use these values in the next examples. First we set the hostname:
181</p>
182
183<pre caption="Setting the hostname"> 206<pre caption="Setting the host name">
184# <i>nano -w /etc/conf.d/hostname</i> 207# <i>nano -w /etc/conf.d/hostname</i>
185 208
186<comment>(Set the HOSTNAME variable to your hostname)</comment> 209<comment>(Set the hostname variable to your host name)</comment>
187HOSTNAME="<i>tux</i>" 210hostname="<i>tux</i>"
188</pre> 211</pre>
189 212
190<p> 213<p>
191Second we set the domainname: 214Second, <e>if</e> you need a domainname, set it in <path>/etc/conf.d/net</path>.
215You only need a domain if your ISP or network administrator says so, or if you
216have a DNS server but not a DHCP server. You don't need to worry about DNS or
217domainnames if your networking is setup for DHCP.
192</p> 218</p>
193 219
194<pre caption="Setting the domainname"> 220<pre caption="Setting the domainname">
195# <i>nano -w /etc/conf.d/domainname</i> 221# <i>nano -w /etc/conf.d/net</i>
196 222
197<comment>(Set the DNSDOMAIN variable to your domain name)</comment> 223<comment>(Set the dns_domain variable to your domain name)</comment>
198DNSDOMAIN="<i>homenetwork</i>" 224dns_domain_lo="<i>homenetwork</i>"
199</pre> 225</pre>
226
227<note>
228If you choose not to set a domainname, you can get rid of the "This is
229hostname.(none)" messages at your login screen by editing
230<path>/etc/issue</path>. Just delete the string <c>.\O</c> from that file.
231</note>
200 232
201<p> 233<p>
202If you have a NIS domain (if you don't know what that is, then you don't have 234If you have a NIS domain (if you don't know what that is, then you don't have
203one), you need to define that one too: 235one), you need to define that one too:
204</p> 236</p>
205 237
206<pre caption="Setting the NIS domainname"> 238<pre caption="Setting the NIS domainname">
207# <i>nano -w /etc/conf.d/domainname</i> 239# <i>nano -w /etc/conf.d/net</i>
208 240
209<comment>(Set the NISDOMAIN variable to your NIS domain name)</comment> 241<comment>(Set the nis_domain variable to your NIS domain name)</comment>
210NISDOMAIN="<i>my-nisdomain</i>" 242nis_domain_lo="<i>my-nisdomain</i>"
211</pre>
212
213<p>
214Now add the <c>domainname</c> script to the default runlevel:
215</p> 243</pre>
216 244
217<pre caption="Adding domainname to the default runlevel"> 245<note>
218# <i>rc-update add domainname default</i> 246For more information on configuring DNS and NIS, please read the examples
219</pre> 247provided in <path>/etc/conf.d/net.example</path>. Also, you may want to emerge
248<c>openresolv</c> to help manage your DNS/NIS setup.
249</note>
220 250
221</body> 251</body>
222</subsection> 252</subsection>
223<subsection> 253<subsection>
224<title>Configuring your Network</title> 254<title>Configuring your Network</title>
231your Gentoo system permanently. 261your Gentoo system permanently.
232</p> 262</p>
233 263
234<note> 264<note>
235More detailed information about networking, including advanced topics like 265More detailed information about networking, including advanced topics like
236bonding, bridging, 802.11q VLANs or wireless networking is covered in the <uri 266bonding, bridging, 802.1Q VLANs or wireless networking is covered in the <uri
237link="?part=4">Gentoo Network Configuration</uri> section. 267link="?part=4">Gentoo Network Configuration</uri> section.
238</note> 268</note>
239 269
240<p> 270<p>
241All networking information is gathered in <path>/etc/conf.d/net</path>. It uses 271All networking information is gathered in <path>/etc/conf.d/net</path>. It uses
242a straightforward yet not intuitive syntax if you don't know how to set up 272a straightforward yet not intuitive syntax if you don't know how to set up
243networking manually. But don't fear, we'll explain everything :) 273networking manually. But don't fear, we'll explain everything. A fully
244</p> 274commented example that covers many different configurations is available in
245 275<path>/etc/conf.d/net.example</path>.
246<p> 276</p>
277
278<p>
279DHCP is used by default. For DHCP to work, you will need to install a DHCP
280client. This is described later in <uri
281link="?part=1&amp;chap=9#networking-tools">Installing Necessary System
282Tools</uri>. Do not forget to install a DHCP client.
283</p>
284
285<p>
286If you need to configure your network connection either because you need
287specific DHCP options or because you do not use DHCP at all, open
247First open <path>/etc/conf.d/net</path> with your favorite editor (<c>nano</c> 288<path>/etc/conf.d/net</path> with your favorite editor (<c>nano</c> is used in
248is used in this example): 289this example):
249</p> 290</p>
250 291
251<pre caption="Opening /etc/conf.d/net for editing"> 292<pre caption="Opening /etc/conf.d/net for editing">
252# <i>nano -w /etc/conf.d/net</i> 293# <i>nano -w /etc/conf.d/net</i>
253</pre> 294</pre>
254 295
255<p> 296<p>
256The first variable you'll find is called <c>config_eth0</c>. As you can probably 297You will see the following file:
257imagine, this variable configured the eth0 network interface. If the interface 298</p>
258needs to automatically obtain an IP address through DHCP, you should set it 299
259like so: 300<pre caption="Default /etc/conf.d/net">
301# This blank configuration will automatically use DHCP for any net.*
302# scripts in /etc/init.d. To create a more complete configuration,
303# please review /etc/conf.d/net.example and save your configuration
304# in /etc/conf.d/net (this file :]!).
305</pre>
306
307<p>
308To enter your own IP address, netmask and gateway, you need
309to set both <c>config_eth0</c> and <c>routes_eth0</c>:
310</p>
311
312<pre caption="Manually setting IP information for eth0">
313config_eth0="192.168.0.2 netmask 255.255.255.0 brd 192.168.0.255"
314routes_eth0="default via 192.168.0.1"
315</pre>
316
317<p>
318To use DHCP, define <c>config_eth0</c>:
260</p> 319</p>
261 320
262<pre caption="Automatically obtaining an IP address for eth0"> 321<pre caption="Automatically obtaining an IP address for eth0">
263config_eth0=( "dhcp" ) 322config_eth0="dhcp"
264</pre> 323</pre>
265 324
266<p>
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>:
269</p> 325<p>
270 326Please read <path>/etc/conf.d/net.example</path> for a list of all available
271<pre caption="Manually setting IP information for eth0"> 327options. Be sure to also read your DHCP client manpage if you need to set
272config_eth0=( "192.168.0.2 netmask 255.255.255.0" ) 328specific DHCP options.
273routes_eth0=( "default gw 192.168.0.1" )
274</pre> 329</p>
275 330
276<p> 331<p>
277If you have several network interfaces repeat the above steps for 332If you have several network interfaces repeat the above steps for
278<c>config_eth1</c>, <c>config_eth2</c>, etc. 333<c>config_eth1</c>, <c>config_eth2</c>, etc.
279</p> 334</p>
288<title>Automatically Start Networking at Boot</title> 343<title>Automatically Start Networking at Boot</title>
289<body> 344<body>
290 345
291<p> 346<p>
292To have your network interfaces activated at boot, you need to add them to the 347To have your network interfaces activated at boot, you need to add them to the
293default runlevel. If you have PCMCIA interfaces you should skip this action as 348default runlevel.
294the PCMCIA interfaces are started by the PCMCIA init script.
295</p> 349</p>
296 350
297<pre caption="Adding net.eth0 to the default runlevel"> 351<pre caption="Adding net.eth0 to the default runlevel">
352# <i>cd /etc/init.d</i>
353# <i>ln -s net.lo net.eth0</i>
298# <i>rc-update add net.eth0 default</i> 354# <i>rc-update add net.eth0 default</i>
299</pre> 355</pre>
300 356
301<p> 357<p>
302If you have several network interfaces, you need to create the appropriate 358If you have several network interfaces, you need to create the appropriate
303<path>net.eth1</path>, <path>net.eth2</path> etc. initscripts for those. You can 359<path>net.eth1</path>, <path>net.eth2</path> etc. just like you did with
304use <c>ln</c> to do this: 360<path>net.eth0</path>.
305</p>
306
307<pre caption="Creating extra initscripts">
308# <i>cd /etc/init.d</i>
309# <i>ln -s net.eth0 net.eth1</i>
310# <i>rc-update add net.eth1 default</i>
311</pre> 361</p>
312 362
313</body> 363</body>
314</subsection> 364</subsection>
315<subsection> 365<subsection>
316<title>Writing Down Network Information</title> 366<title>Writing Down Network Information</title>
317<body> 367<body>
318 368
319<p> 369<p>
320You now need to inform Linux about your network. This is defined in 370You now need to inform Linux about your network. This is defined in
321<path>/etc/hosts</path> and helps in resolving hostnames to IP addresses 371<path>/etc/hosts</path> and helps in resolving host names to IP addresses for
322for hosts that aren't resolved by your nameserver. For instance, if your 372hosts that aren't resolved by your nameserver. You need to define your system.
323internal network consists of three PCs called <c>jenny</c> (192.168.0.5), 373You may also want to define other systems on your network if you don't want to
324<c>benny</c> (192.168.0.6) and <c>tux</c> (192.168.0.7 - this system) you would 374set up your own internal DNS system.
325open <path>/etc/hosts</path> and fill in the values:
326</p> 375</p>
327 376
328<pre caption="Opening /etc/hosts"> 377<pre caption="Opening /etc/hosts">
329# <i>nano -w /etc/hosts</i> 378# <i>nano -w /etc/hosts</i>
330</pre> 379</pre>
331 380
332<pre caption="Filling in the networking information"> 381<pre caption="Filling in the networking information">
333127.0.0.1 localhost 382<comment>(This defines the current system)</comment>
383127.0.0.1 tux.homenetwork tux localhost
384
385<comment>(Define extra systems on your network,
386they need to have a static IP to be defined this way.)</comment>
334192.168.0.5 jenny.homenetwork jenny 387192.168.0.5 jenny.homenetwork jenny
335192.168.0.6 benny.homenetwork benny 388192.168.0.6 benny.homenetwork benny
336192.168.0.7 tux.homenetwork tux
337</pre>
338
339<p>
340If your system is the only system (or the nameservers handle all name
341resolution) a single line is sufficient. For instance, if you want to call your
342system <c>tux</c>:
343</p>
344
345<pre caption="/etc/hosts for lonely or fully integrated PCs">
346127.0.0.1 localhost tux
347</pre> 389</pre>
348 390
349<p> 391<p>
350Save and exit the editor to continue. 392Save and exit the editor to continue.
351</p> 393</p>
352 394
353<p> 395<p test="func:keyval('arch')='AMD64' or func:keyval('arch')='x86' or substring(func:keyval('arch'),1,3)='PPC'">
354If you don't have PCMCIA, you can now continue with <uri 396If you don't have PCMCIA, you can now continue with <uri
355link="#doc_chap3">System Information</uri>. PCMCIA-users should read the 397link="#sysinfo">System Information</uri>. PCMCIA-users should read the
356following topic on PCMCIA. 398following topic on PCMCIA.
357</p> 399</p>
358 400
359</body> 401</body>
360</subsection> 402</subsection>
361<subsection> 403<subsection test="func:keyval('arch')='AMD64' or func:keyval('arch')='x86' or substring(func:keyval('arch'),1,3)='PPC'">
362<title>Optional: Get PCMCIA Working</title> 404<title>Optional: Get PCMCIA Working</title>
363<body> 405<body>
364 406
365<note>
366pcmcia-cs is only available for x86, amd64 and ppc platforms.
367</note>
368
369<p> 407<p>
370PCMCIA-users should first install the <c>pcmcia-cs</c> package. This also 408PCMCIA users should first install the <c>pcmciautils</c> package.
371includes users who will be working with a 2.6 kernel (even though they won't be
372using the PCMCIA drivers from this package). The <c>USE="-X"</c> is necessary
373to avoid installing xorg-x11 at this moment:
374</p> 409</p>
375 410
376<pre caption="Installing pcmcia-cs"> 411<pre caption="Installing pcmciautils">
377# <i>USE="-X" emerge pcmcia-cs</i> 412# <i>emerge pcmciautils</i>
378</pre>
379
380<p>
381When <c>pcmcia-cs</c> is installed, add <c>pcmcia</c> to the <e>default</e>
382runlevel:
383</p>
384
385<pre caption="Adding pcmcia to the default runlevel">
386# <i>rc-update add pcmcia default</i>
387</pre> 413</pre>
388 414
389</body> 415</body>
390</subsection> 416</subsection>
391</section> 417</section>
392<section> 418
419<section id="sysinfo">
393<title>System Information</title> 420<title>System Information</title>
394<subsection> 421<subsection>
395<title>Root Password</title> 422<title>Root Password</title>
396<body> 423<body>
397 424
401 428
402<pre caption="Setting the root password"> 429<pre caption="Setting the root password">
403# <i>passwd</i> 430# <i>passwd</i>
404</pre> 431</pre>
405 432
406<p>
407If you want root to be able to log on through the serial console, add
408<c>tts/0</c> to <path>/etc/securetty</path>:
409</p>
410
411<pre caption="Adding tts/0 to /etc/securetty">
412# <i>echo "tts/0" &gt;&gt; /etc/securetty</i>
413</pre>
414
415</body> 433</body>
416</subsection> 434</subsection>
417<subsection> 435<subsection>
418<title>System Information</title> 436<title>System Information</title>
419<body> 437<body>
431When you're finished configuring <path>/etc/rc.conf</path>, save and exit. 449When you're finished configuring <path>/etc/rc.conf</path>, save and exit.
432</p> 450</p>
433 451
434<p> 452<p>
435As you can see, this file is well commented to help you set up the necessary 453As you can see, this file is well commented to help you set up the necessary
436configuration variables. Among other settings, you can configure your console 454configuration variables. You can configure your system to use unicode and
437fonts, your default editor and your display manager (like gdm or kdm). 455define your default editor and your display manager (like gdm or kdm).
438</p> 456</p>
439 457
440<p> 458<p>
441Gentoo uses <path>/etc/conf.d/keymaps</path> to handle keyboard configuration. 459Gentoo uses <path>/etc/conf.d/keymaps</path> to handle keyboard configuration.
442Edit it to configure your keyboard. 460Edit it to configure your keyboard.
445<pre caption="Opening /etc/conf.d/keymaps"> 463<pre caption="Opening /etc/conf.d/keymaps">
446# <i>nano -w /etc/conf.d/keymaps</i> 464# <i>nano -w /etc/conf.d/keymaps</i>
447</pre> 465</pre>
448 466
449<p> 467<p>
450Take special care with the <c>KEYMAP</c> variable. If you select the wrong 468Take 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. 469<c>keymap</c>, you will get weird results when typing on your keyboard.
452</p> 470</p>
453 471
454<note> 472<note test="substring(func:keyval('arch'),1,3)='PPC'">
455Users of USB-based <b>SPARC</b> systems and <b>SPARC</b> clones might need to 473PPC uses x86 keymaps on most systems.
456select an i386 keymap (such as "us") instead of "sunkeymap".
457</note> 474</note>
458
459<p>
460<b>PPC</b> uses x86 keymaps on most systems. Users who want to be able to use
461ADB keymaps on boot have to enable ADB keycode sendings in their kernel and have
462to set a mac/ppc keymap in <path>/etc/conf.d/keymaps</path>.
463</p>
464 475
465<p> 476<p>
466When you're finished configuring <path>/etc/conf.d/keymaps</path>, save and 477When you're finished configuring <path>/etc/conf.d/keymaps</path>, save and
467exit. 478exit.
468</p> 479</p>
469 480
470<p> 481<p>
471Gentoo uses <path>/etc/conf.d/clock</path> to set clock options. Edit it 482Gentoo uses <path>/etc/conf.d/hwclock</path> to set clock options. Edit it
472according to your needs. 483according to your needs.
473</p> 484</p>
474 485
475<pre caption="Opening /etc/conf.d/clock"> 486<pre caption="Opening /etc/conf.d/hwclock">
476# <i>nano -w /etc/conf.d/clock</i> 487# <i>nano -w /etc/conf.d/hwclock</i>
477</pre> 488</pre>
478 489
479<p> 490<p>
480If your hardware clock is not using UTC, you need to add <c>CLOCK="local"</c> to 491If your hardware clock is not using UTC, you need to add <c>CLOCK="local"</c>
481the file. Otherwise you will notice some clock skew. 492to the file. Otherwise you will notice some clock skew.
482</p>
483
484<p> 493</p>
494
495<p>
496You should define the timezone that you previously copied to
497<path>/etc/localtime</path> so that further upgrades of the
498<c>sys-libs/timezone-data</c> package can update <path>/etc/localtime</path>
499automatically. For instance, if you used the GMT timezone, you would add
500<c>TIMEZONE="GMT"</c>
501</p>
502
503<p>
485When you're finished configuring <path>/etc/conf.d/clock</path>, save and 504When you're finished configuring <path>/etc/conf.d/hwclock</path>, save and
486exit. 505exit.
487</p> 506</p>
488 507
508<p test="not(func:keyval('arch')='PPC64')">
509Please continue with <uri link="?part=1&amp;chap=9">Installing Necessary System
510Tools</uri>.
489<p> 511</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>
493 512
494</body> 513</body>
495</subsection>
496<subsection> 514</subsection>
515<subsection test="func:keyval('arch')='PPC64'">
497<title>Configuring the Console</title> 516<title>Configuring the Console</title>
498<body> 517<body>
499 518
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> 519<p>
520If you are using a virtual console, you must uncomment the appropriate line in
521<path>/etc/inittab</path> for the virtual console to spawn a login prompt.
522</p>
508 523
509<pre caption="Enabling hvc support in /etc/inittab"> 524<pre caption="Enabling hvc or hvsi support in /etc/inittab">
510hvc:12345:respawn:/sbin/agetty -nl /bin/bashlogin 9600 hvc0 vt220 525hvc0:12345:respawn:/sbin/agetty -L 9600 hvc0
526hvsi:12345:respawn:/sbin/agetty -L 19200 hvsi0
527</pre>
528
529<p>
530You should also take this time to verify that the appropriate console is
531listed in <path>/etc/securetty</path>.
511</pre> 532</p>
512 533
513<p> 534<p>
514You may now continue with <uri link="?part=1&amp;chap=9">Installing Necessary 535You may now continue with <uri link="?part=1&amp;chap=9">Installing Necessary
515System Tools</uri>. 536System Tools</uri>.
516</p> 537</p>

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