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The use of "he/she" and "his/her" isn't recommended. It's ugly and better ways
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English is a weird language, but I'm learning :)

Thanks to Xavier for the information

1 swift 1.1 <?xml version='1.0' encoding='UTF-8'?>
2     <!DOCTYPE sections SYSTEM "/dtd/book.dtd">
3    
4     <!-- The content of this document is licensed under the CC-BY-SA license -->
5     <!-- See http://creativecommons.org/licenses/by-sa/1.0 -->
6    
7 swift 1.5 <!-- $Header: /home/cvsroot/gentoo/xml/htdocs/doc/en/handbook/hb-install-ppc-medium.xml,v 1.4 2004/04/15 07:06:36 swift Exp $ -->
8 swift 1.1
9     <sections>
10     <section>
11     <title>Hardware Requirements</title>
12     <subsection>
13     <title>Introduction</title>
14     <body>
15    
16     <p>
17     Before we start, we first list what hardware requirements you need to
18     successfully install Gentoo on your box. This of course depends on your
19     architecture.
20     </p>
21    
22     </body>
23     </subsection>
24     <subsection>
25     <title>The PPC Architecture</title>
26     <body>
27    
28     <p>
29     Check the following requirements before you
30     continue with the Gentoo installation:
31     </p>
32    
33     <ul>
34     <li>
35     You need at least 1 Gb of free disk space
36     </li>
37     <li>
38     If you do not use prebuilt packages, you need at least 300 Mb of memory (RAM +
39     swap)
40     </li>
41     <li>
42     For the <e>PowerPC architecture</e>, you can install Gentoo/PPC on machines
43     having a Power or PowerPC microprocessor, including but not limited to G3, G4
44     or G5 powered Apple computers such as the iMac, the iBook, the PowerBook,
45     Xserve, PowerMac, ... We also provide limited support for oldworld systems,
46     IBM (rs/6000, iSeries, zSeries, ...), Amiga and Pegasos systems.
47     Be sure to read up on the <uri link="/doc/en/gentoo-ppc-faq.xml">Gentoo PPC
48     FAQ</uri> too before you begin.
49     </li>
50     </ul>
51    
52     </body>
53     </subsection>
54     </section>
55     <section>
56     <title>Make your Choice</title>
57     <subsection>
58     <title>Introduction</title>
59     <body>
60    
61     <p>
62     Still interested in trying out Gentoo? Well, then it is now time to
63     choose the installation medium you want to use. Yes, you have the
64     choice, no, they are not all equal, and yes, the result is always the same: a
65     Gentoo base system.
66     </p>
67    
68     <p>
69     The installation media we will describe are:
70     </p>
71    
72     <ul>
73     <li>Gentoo's Minimal LiveCD</li>
74     <li>Gentoo's Universal LiveCD</li>
75     </ul>
76    
77     <p>
78     Every single media has its advantages and disadvantages. We will list
79     the pros and cons of every medium so you have all the information to
80     make a justified decision. But before we continue, let's explain our
81     three-stage installation.
82     </p>
83    
84     </body>
85     </subsection>
86     <subsection>
87     <title>The Three Stages</title>
88     <body>
89    
90     <p>
91     Gentoo Linux can be installed using one of three <e>stage</e> tarball files.
92     The one you choose depends on how much of the system you want to compile
93     yourself. The <e>stage1</e> tarball is used when you want to bootstrap and
94     build the entire system from scratch. The <e>stage2</e> tarball is used for
95     building the entire system from a bootstrapped &quot;semi-compiled&quot; state.
96     The <e>stage3</e> tarball already contains a basic Gentoo Linux system that has
97     been built for you. As we will explain later, you can also install
98     Gentoo without compiling anything (except your kernel and some optional
99     packages). If you want this, you have to use a <e>stage3</e> tarball.
100     </p>
101    
102     <p>
103     Now what stage do you have to choose?
104     </p>
105    
106     <p>
107     Starting from a <e>stage1</e> allows you to have total control over the
108     optimization settings and optional build-time functionality that is
109     initially enabled on your system. This makes <e>stage1</e> installs good for
110     power users who know what they are doing. It is also a great
111     installation method for those who would like to know more about the
112     inner workings of Gentoo Linux.
113     </p>
114    
115     <table>
116     <tr>
117     <th>Stage1</th>
118     <th>Pros and Cons</th>
119     </tr>
120     <tr>
121     <th>+</th>
122     <ti>
123     Allows you to have total control over the optimization settings and optional
124     build-time functionality that is initially enabled on your system
125     </ti>
126     </tr>
127     <tr>
128     <th>+</th>
129     <ti>Suitable for powerusers that know what they are doing</ti>
130     </tr>
131     <tr>
132     <th>+</th>
133     <ti>Allows you to learn more about the inner workings of Gentoo</ti>
134     </tr>
135     <tr>
136     <th>-</th>
137     <ti>Takes a long time to finish the installation</ti>
138     </tr>
139     <tr>
140     <th>-</th>
141     <ti>
142     If you don't intend to tweak the settings, it is probably a waste of time
143     </ti>
144     </tr>
145     </table>
146    
147     <p>
148     <e>Stage2</e> installs allow you to skip the bootstrap process and doing this
149     is fine if you are happy with the optimization settings that we chose
150     for your particular <e>stage2</e> tarball.
151     </p>
152    
153     <table>
154     <tr>
155     <th>Stage2</th>
156     <th>Pros and Cons</th>
157     </tr>
158     <tr>
159     <th>+</th>
160     <ti>You don't need to bootstrap</ti>
161     </tr>
162     <tr>
163     <th>+</th>
164     <ti>Faster than starting with stage1</ti>
165     </tr>
166     <tr>
167     <th>+</th>
168     <ti>You can still tweak your settings</ti>
169     </tr>
170     <tr>
171     <th>-</th>
172     <ti>You cannot tweak as much as with a stage1</ti>
173     </tr>
174     <tr>
175     <th>-</th>
176     <ti>It's not the fastest way to install Gentoo</ti>
177     </tr>
178     <tr>
179     <th>-</th>
180     <ti>You have to accept the optimizations we chose for the bootstrap</ti>
181     </tr>
182     </table>
183    
184     <p>
185     Choosing to go with a <e>stage3</e> allows for the fastest install of Gentoo
186     Linux, but also means that your base system will have the optimization
187     settings that we chose for you (which to be honest, are good settings
188     and were carefully chosen to enhance performance while maintaining
189     stability). <e>stage3</e> is also required if you want to install Gentoo using
190     prebuilt packages.
191     </p>
192    
193     <table>
194     <tr>
195     <th>Stage3</th>
196     <th>Pros and Cons</th>
197     </tr>
198     <tr>
199     <th>+</th>
200     <ti>Fastest way to get a Gentoo base system</ti>
201     </tr>
202     <tr>
203     <th>-</th>
204     <ti>You cannot tweak the base system - it's built already</ti>
205     </tr>
206     <tr>
207     <th>-</th>
208     <ti>You cannot brag about having used stage1 or stage2</ti>
209     </tr>
210     </table>
211    
212     <p>
213     Write down (or remember) what stage you want to use. You need this later when
214     you decide what LiveCD (or other installation medium) you want to use. You might
215     be interested to know that, if you decide to use different optimization settings
216     after having installed Gentoo, you will be able to recompile your entire system
217     with the new optimization settings.
218     </p>
219    
220     <p>
221     Now take a look at the available installation media.
222     </p>
223    
224     </body>
225     </subsection>
226     <subsection>
227     <title>Gentoo LiveCDs</title>
228     <body>
229    
230     <p>
231     The <e>Gentoo LiveCDs</e> are bootable CDs which contain a
232     self-sustained Gentoo environment. They allow you to boot Linux from the CD.
233     During the boot process your hardware is detected and the appropriate drivers
234     are loaded. They are maintained by Gentoo developers.
235     </p>
236    
237     <p>
238     All LiveCDs allow you to boot, setup networking, initialize your
239     partitions and start installing Gentoo from the Internet. However, some
240     LiveCDs also contain all necessary source code so you are able to install
241     Gentoo without a working network configuration.
242     </p>
243    
244     <p>
245     Now what do these LiveCDs contain?
246     </p>
247    
248     </body>
249     </subsection>
250     <subsection>
251     <title>Gentoo's Minimal LiveCD</title>
252     <body>
253    
254     <p>
255     This is a small, no-nonsense, bootable CD which sole purpose is to boot the
256     system, prepare the networking and continue with the Gentoo installation. It
257     does not contain any stages (or, in some cases, a single stage1 file),
258     source code or precompiled packages. For example the ppc variant of this
259     LiveCD can be found in the <path>universal</path> subdirectory and is called
260     <c>install-ppc-minimal-2004.0.iso</c>.
261     </p>
262    
263     <table>
264     <tr>
265     <th>Minimal LiveCD</th>
266     <th>Pros and Cons</th>
267     </tr>
268     <tr>
269     <th>+</th>
270     <ti>Smallest download</ti>
271     </tr>
272     <tr>
273     <th>+</th>
274     <ti>Suitable for a complete architecture</ti>
275     </tr>
276     <tr>
277     <th>+</th>
278     <ti>
279     You can do a stage1, stage2 or stage3 by getting the stage tarball off the
280     net
281     </ti>
282     </tr>
283     <tr>
284     <th>-</th>
285     <ti>
286     Contains no stages, no portage snapshot, no GRP packages and therefore not
287     suitable for networkless installation
288     </ti>
289     </tr>
290     </table>
291    
292     </body>
293     </subsection>
294     <subsection>
295     <title>Gentoo's Universal LiveCD</title>
296     <body>
297    
298     <p>
299     Gentoo's Universal LiveCD is a bootable CD suitable to install Gentoo without
300     networking. It contains a stage1 and several stage3 tarballs (optimized for the
301     individual subarchitectures). For example the ppc variant of this CD is called
302     <c>install-ppc-universal-2004.0.iso</c> and can be found in the
303     <path>universal</path> subdirectory.
304     </p>
305    
306     <p>
307     If you take a closer look into our <path>livecd</path> directory you will see
308     that some architectures provide <e>Gentoo Package CDs</e>. This CD (which isn't
309     bootable) only contains precompiled packages and can be used to install software
310     after a succesfull Gentoo Installation. To install Gentoo, you only
311     need the Universal LiveCD, but if you want OpenOffice.org, Mozilla, KDE, GNOME
312     etc. without having to compile every single one of them, you need the Packages
313     CD too. For example the G4 (a subarchitecture of ppc) Packages CD is
314     called <c>packages-g4-2004.0.iso</c> and can be found in the appropriate
315     subdirectory (<path>g4/</path>).
316     </p>
317    
318     <table>
319     <tr>
320     <th>Universal LiveCD with Packages CD</th>
321     <th>Pros and Cons</th>
322     </tr>
323     <tr>
324     <th>+</th>
325     <ti>Packages CD is optimized to your architecture and subarchitecture</ti>
326     </tr>
327     <tr>
328     <th>+</th>
329     <ti>
330     Packages CD provides precompiled packages for fast Gentoo installations
331     </ti>
332     </tr>
333     <tr>
334     <th>+</th>
335     <ti>
336     Contains everything you need. You can even install without a network
337     connection.
338     </ti>
339     </tr>
340     <tr>
341     <th>-</th>
342     <ti>Huge download</ti>
343     </tr>
344     </table>
345    
346     </body>
347     </subsection>
348     </section>
349     <section>
350     <title>Download, Burn and Boot a Gentoo LiveCD</title>
351     <subsection>
352     <title>Downloading and Burning the LiveCDs</title>
353     <body>
354    
355     <p>
356     You have chosen to use a Gentoo LiveCD (if not, then you are reading the
357     wrong section). We'll first start by downloading and burning the chosen
358     LiveCD. We previously discussed the several available LiveCDs, but where can you
359     find them?
360     </p>
361    
362     <p>
363     Visit one of our <uri
364     link="/main/en/mirrors.xml">mirrors</uri> and go to
365     <path>releases/ppc/2004.0/livecd/universal</path>, which is
366     the path where the LiveCD(s) of your choice are located. Inside that
367     directory you'll find so-called ISO-files. Those are full CD images
368     which you can write on a CD-R.
369     </p>
370    
371     <p>
372     In case you wonder if your downloaded file is corrupted or not, you can
373     check its MD5 checksum and compare it with the MD5 checksum we provide (such as
374     <path>install-ppc-minimal-2004.0.iso.md5</path>). You can check the MD5 checksum
375     with the <c>md5sum</c> tool under Linux/Unix or <uri
376     link="http://www.md5summer.org">md5summer</uri> for Windows.
377     </p>
378    
379     <p>
380     To burn the downloaded ISO(s), you have to select raw-burning. How you
381     do this is highly program-dependent. We will discuss a couple of popular
382     tools on how to do this.
383     </p>
384    
385     <ul>
386     <li>
387     With EasyCD Creator you select <c>File</c>, <c>Record CD
388     from CD image</c>. Then you change the <c>Files of type</c> to <c>ISO image
389     file</c>. Then locate the ISO file and click <c>Open</c>. When you click on
390     <c>Start recording</c> the ISO image will be burned correctly onto the CD-R.
391     </li>
392     <li>
393     With Nero Burning ROM, select <c>File</c>, <c>Burn CD image</c>. Set the
394     type of file to <c>*.*</c> and select the ISO file. Older versions of Nero
395     will tell you they don't recognize the format -- confirm here, it does
396     recognize it but doesn't know it yet :) In the next dialog, set the
397     following parameters:
398     <ul>
399     <li>Type of image: <c>Data Mode 1</c></li>
400     <li>Block size: <c>2048 bytes</c></li>
401     <li>File precursor and length of the image trailer: <c>0 bytes</c></li>
402     <li>Scrambled: <c>no</c></li>
403     <li>Swapped: <c>no</c></li>
404     </ul>
405     Now click on <c>OK</c> and then <c>Burn</c> (the CD-R)
406     </li>
407     <li>
408     With cdrecord, you simply type <c>cdrecord dev=/dev/hdc</c> (replace
409     <path>/dev/hdc</path> with your CD-RW drive's device path) followed
410     by the path to the ISO file :)
411     </li>
412     <li>
413 swift 1.3 With K3B, select <c>Tools</c> &gt; <c>CD</c> &gt; <c>Burn Image</c>. The
414     under the 'Image to Burn' area, locate the ISO file. Finally click
415     <c>Start</c>.
416     </li>
417     <li>
418 swift 1.1 With Mac OS X Panther, launch <c>Disk Utility</c> from
419     <path>Applications/Utilities</path>, select <c>Open</c> from the
420     <c>Images</c> menu, select the mounted disk image in the main window and
421     select <c>Burn</c> in the <c>Images</c> menu.
422     </li>
423     <li>
424     With Mac OS X Jaguar, launch <c>Disk Copy</c> from
425     <path>Applications/Utilities</path>, select <c>Burn Image</c> from the
426     <c>File</c> menu, select the ISO and click the <c>Burn</c> button.
427     </li>
428     </ul>
429    
430     </body>
431     </subsection>
432     <subsection>
433     <title>Booting the PPC LiveCD(s)</title>
434     <body>
435    
436     <p>
437     Place the LiveCD in the CD-ROM and reboot the system. Hold down the 'C' key at
438     bootup (or run an OldWorld bootloader like BootX or quik). You will be greeted
439     by a friendly welcome message and a <e>boot:</e> prompt at the bottom of the
440     screen.
441     </p>
442    
443     <p>
444     At this prompt you are able to select a kernel for the subarchitecture you use.
445     We provide <c>G3</c>, <c>G3-SMP</c>, <c>G4</c>, <c>G4-SMP</c>, <c>G5</c> and
446     <c>G5-SMP</c>. The various <c>-SMP</c> kernels are needed if your system has
447     multiple CPUs.
448     </p>
449    
450     <p>
451     You are also able to tweak some kernel options at this prompt. The following
452     table lists the available boot options you can add:
453     </p>
454    
455     <table>
456     <tr>
457     <th>Boot Option</th>
458     <th>Description</th>
459     </tr>
460     <tr>
461     <ti><c>video</c></ti>
462     <ti>
463     This option takes one of the following vendor-specific tags:
464     <c>radeonfb</c>, <c>rivafb</c>, <c>atyfb</c>, <c>aty128</c> or
465     <c>ofonly</c>. You can follow this tag with the resolution and refreshrate
466     you want to use. For instance <c>video=radeonfb:1280x1024@75</c>. If you are
467     uncertain what to choose, <c>ofonly</c> will most certainly work.
468     </ti>
469     </tr>
470     <tr>
471 pylon 1.2 <ti><c>nol3</c></ti>
472 swift 1.1 <ti>
473     Disables level 3 cache on some powerbooks (needed for at least the 17'')
474     </ti>
475     </tr>
476     <tr>
477     <ti><c>debug</c></ti>
478     <ti>
479     Enables verbose booting, spawns an initrd shell that can be used to debug
480     the LiveCD
481     </ti>
482     </tr>
483     </table>
484    
485     <p>
486     At this prompt, hit enter, and a complete Gentoo Linux environment will be
487     loaded from the CD. If you experience problems booting, choose the <c>-safe</c>
488     option at boot. The safe option passes the following extra arguments to the
489     kernel: <c>append="video=ofonly nol3 init=/linuxrc"</c>.
490     </p>
491    
492     <p>
493     When the LiveCD is booted, you will be greeted with a login prompt. Log on as
494     <c>root</c> (you don't need to enter a password).
495     </p>
496    
497     <pre caption="Logging on onto the LiveCD">
498     login: <i>root</i>
499     </pre>
500    
501     <p>
502     You should have a root ("#") prompt on the current console and can also switch
503     to other consoles by pressing Alt-fn-F2, Alt-fn-F3 and Alt-fn-F4. Get back to
504     the one you started on by pressing Alt-fn-F1.
505     </p>
506    
507     <p>
508     If you are installing Gentoo on a system with a non-US keyboard, use
509     <c>loadkeys</c> to load the keymap for your keyboard. To list the available
510     keymaps, execute <c>ls /usr/share/keymaps/i386</c>.
511     </p>
512    
513     <pre caption="Listing available keymaps">
514     <comment>(PPC uses x86 keymaps on most systems. The mac/ppc keymaps provided
515     on the LiveCD are ADB keymaps and unusable with the LiveCD kernel)</comment>
516     # <i>ls /usr/share/keymaps/i386</i>
517     </pre>
518    
519     <p>
520     Now load the keymap of your choice:
521     </p>
522    
523     <pre caption="Loading a keymap">
524     # <i>loadkeys be2-latin1</i>
525     </pre>
526    
527     <p>
528     Now continue with <uri link="#hardware">Extra Hardware Configuration</uri>.
529     </p>
530    
531     </body>
532     </subsection>
533     <subsection id="hardware">
534     <title>Extra Hardware Configuration</title>
535     <body>
536    
537     <p>
538     When the Live CD boots, it tries to detect all your hardware devices and
539     loads the appropriate kernel modules to support your hardware. In the
540     vast majority of cases, it does a very good job. However, in some cases (the
541     SPARC LiveCDs don't even do autodetection), it may not auto-load the kernel
542     modules you need. If the PCI auto-detection missed some of your system's
543     hardware, you will have to load the appropriate kernel modules manually.
544     </p>
545    
546     <p>
547     In the next example we try to load the <c>8139too</c> module (support for
548     certain kinds of network interfaces):
549     </p>
550    
551     <pre caption="Loading kernel modules">
552     # <i>modprobe 8139too</i>
553     </pre>
554    
555     <p>
556     For instance, some PPC users might want to load <c>airport</c> or
557     <c>sungem</c> (10/100 Mbit for most powerbooks). Thermal management for G5 is
558     supported through the <c>therm_pm72</c> module.
559     </p>
560    
561     </body>
562     </subsection>
563     <subsection>
564     <title>Optional: Tweaking Hard Disk Performance</title>
565     <body>
566    
567     <p>
568     If you are an advanced user, you might want to tweak the IDE hard disk
569     performance using <c>hdparm</c>. With the <c>-tT</c> options you can
570     test the performance of your disk (execute it several times to get a
571     more precise impression):
572     </p>
573    
574     <pre caption="Testing disk performance">
575     # <i>hdparm -tT /dev/hda</i>
576     </pre>
577    
578     <p>
579     To tweak, you can use any of the following examples (or experiment
580     yourself) which use <path>/dev/hda</path> as disk (substitute with your
581     disk):
582     </p>
583    
584     <pre caption="Tweaking hard disk performance">
585     <comment>Activate DMA:</comment> # <i>hdparm -d 1 /dev/hda</i>
586     <comment>Activate DMA + Safe Performance-enhancing Options:</comment> # <i>hdparm -d 1 -A 1 -m 16 -u 1 -a 64 /dev/hda</i>
587     </pre>
588    
589     </body>
590     </subsection>
591     <subsection>
592     <title>Optional: User Accounts</title>
593     <body>
594    
595     <p>
596     If you plan on giving other people access to your installation
597     environment or you want to chat using <c>irssi</c> without root privileges (for
598     security reasons), you need to create the necessary user accounts and change
599     the root password.
600     </p>
601    
602     <p>
603     To change the root password, use the <c>passwd</c> utility:
604     </p>
605    
606     <pre caption="Changing the root password">
607     # <i>passwd</i>
608     New password: <comment>(Enter your new password)</comment>
609     Re-enter password: <comment>(Re-enter your password)</comment>
610     </pre>
611    
612     <p>
613 swift 1.5 To create a user account, we first enter their credentials, followed by
614 swift 1.1 its password. We use <c>useradd</c> and <c>passwd</c> for these tasks.
615     In the next example, we create a user called &quot;john&quot;.
616     </p>
617    
618     <pre caption="Creating a user account">
619     # <i>useradd john</i>
620     # <i>passwd john</i>
621     New password: <comment>(Enter john's password)</comment>
622     Re-enter password: <comment>(Re-enter john's password)</comment>
623     </pre>
624    
625     <p>
626     You can change your user id from root to the newly created user by using
627     <c>su</c>:
628     </p>
629    
630     <pre caption="Changing user id">
631     # <i>su john -</i>
632     </pre>
633    
634     </body>
635     </subsection>
636     <subsection>
637     <title>Optional: Starting the SSH Daemon</title>
638     <body>
639    
640     <p>
641     If you want to allow other users to access your computer during the
642     Gentoo installation (perhaps because those users are going to help you
643     install Gentoo, or even do it for you), you need to create a user
644     account for them and perhaps even provide them with your root password
645     (<e>only</e> do that <e>if</e> you <b>fully trust</b> that user).
646     </p>
647    
648     <p>
649     To fire up the SSH daemon, execute the following command:
650     </p>
651    
652     <pre caption="Starting the SSH daemon">
653     # <i>/etc/init.d/sshd start</i>
654     </pre>
655    
656     <p>
657     To be able to use sshd, you first need to setup your networking. Continue with
658     the chapter on <uri link="?part=1&amp;chap=3">Configuring your Network</uri>.
659     </p>
660    
661     </body>
662     </subsection>
663     </section>
664     </sections>

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