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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: /var/cvsroot/gentoo/xml/htdocs/doc/en/handbook/hb-install-ppc64-medium.xml,v 1.4 2004/10/18 15:56:59 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 PPC64 Architecture</title>
26     <body>
27    
28     <p>
29     Check the following requirements before you continue with the Gentoo
30     installation:
31     </p>
32    
33     <ul>
34     <li>
35     You need at least 1 Gb of free disk space
36     </li>
37     <li>
38     You need at least 300 Mb of memory (RAM + swap)
39     </li>
40     <li>
41     For the <e>PowerPC64 architecture</e>, you can install Gentoo/PPC64 on
42     machines having a PowerPC64 microprocessor, including IBM RS/6000s,
43     Power Macintosh G5 systems, IBM pSeries (and soon IBM iSeries) boxen.
44     For a full list go to <uri>http://www.linuxppc64.org/hardware.shtml</uri>.
45     </li>
46     </ul>
47    
48     </body>
49     </subsection>
50     </section>
51     <section>
52     <title>Make your Choice</title>
53     <subsection>
54     <title>Introduction</title>
55     <body>
56    
57     <p>
58     Still interested in trying out Gentoo? Well, then it is now time to
59     choose the installation medium you want to use. Yes, you have the
60     choice, no, they are not all equal, and yes, the result is always the same: a
61     Gentoo base system.
62     </p>
63    
64     <p>
65     The installation media we will describe are:
66     </p>
67    
68     <ul>
69     <li>Gentoo's Minimal LiveCD for Apple's G5</li>
70     <li>Gentoo's Minimal LiveCD for IBM pSeries RS/6000</li>
71     </ul>
72    
73     <p>
74     As you can see there are no Universal CDs at the moment, but they will
75     follow. The consequence of this is that you have to download the stages
76     (see next paragraph) separately.
77     </p>
78    
79     </body>
80     </subsection>
81     <subsection>
82     <title>The Three Stages</title>
83     <body>
84    
85     <p>
86     Gentoo Linux can be installed using one of three <e>stage</e> tarball files.
87     The one you choose depends on how much of the system you want to compile
88     yourself. The <e>stage1</e> tarball is used when you want to bootstrap and
89     build the entire system from scratch. The <e>stage2</e> tarball is used for
90     building the entire system from a bootstrapped &quot;semi-compiled&quot; state.
91     The <e>stage3</e> tarball already contains a basic Gentoo Linux system that has
92     been built for you. As we will explain later, you can also install
93     Gentoo without compiling anything (except your kernel and some optional
94     packages). If you want this, you have to use a <e>stage3</e> tarball.
95     </p>
96    
97     <p>
98     Now what stage do you have to choose?
99     </p>
100    
101     <p>
102     Starting from a <e>stage1</e> allows you to have total control over the
103     optimization settings and optional build-time functionality that is
104     initially enabled on your system. This makes <e>stage1</e> installs good for
105     power users who know what they are doing. It is also a great
106     installation method for those who would like to know more about the
107     inner workings of Gentoo Linux.
108     </p>
109    
110     <p>
111     A <e>stage1</e> installation can only be performed when you have a working
112     Internet connection.
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     <tr>
146     <th>-</th>
147     <ti>
148     Not suitable for networkless installations
149     </ti>
150     </tr>
151     </table>
152    
153     <p>
154     <e>Stage2</e> installs allow you to skip the bootstrap process and doing this
155     is fine if you are happy with the optimization settings that we chose
156     for your particular <e>stage2</e> tarball.
157     </p>
158    
159     <p>
160     A <e>stage2</e> installation can only be performed when you have a working
161     Internet connection.
162     </p>
163    
164     <table>
165     <tr>
166     <th>Stage2</th>
167     <th>Pros and Cons</th>
168     </tr>
169     <tr>
170     <th>+</th>
171     <ti>You don't need to bootstrap</ti>
172     </tr>
173     <tr>
174     <th>+</th>
175     <ti>Faster than starting with stage1</ti>
176     </tr>
177     <tr>
178     <th>+</th>
179     <ti>You can still tweak your settings</ti>
180     </tr>
181     <tr>
182     <th>-</th>
183     <ti>You cannot tweak as much as with a stage1</ti>
184     </tr>
185     <tr>
186     <th>-</th>
187     <ti>It's not the fastest way to install Gentoo</ti>
188     </tr>
189     <tr>
190     <th>-</th>
191     <ti>You have to accept the optimizations we chose for the bootstrap</ti>
192     </tr>
193     <tr>
194     <th>-</th>
195     <ti>
196     Not suitable for networkless installations
197     </ti>
198     </tr>
199     </table>
200    
201     <p>
202     Choosing to go with a <e>stage3</e> allows for the fastest install of Gentoo
203     Linux, but also means that your base system will have the optimization
204     settings that we chose for you (which to be honest, are good settings
205     and were carefully chosen to enhance performance while maintaining
206     stability). <e>stage3</e> is also required if you want to install Gentoo using
207     prebuilt packages or without a network connection.
208     </p>
209    
210     <table>
211     <tr>
212     <th>Stage3</th>
213     <th>Pros and Cons</th>
214     </tr>
215     <tr>
216     <th>+</th>
217     <ti>Fastest way to get a Gentoo base system</ti>
218     </tr>
219     <tr>
220     <th>+</th>
221     <ti>Suitable for networkless installations</ti>
222     </tr>
223     <tr>
224     <th>-</th>
225     <ti>You cannot tweak the base system - it's built already</ti>
226     </tr>
227     <tr>
228     <th>-</th>
229     <ti>You cannot brag about having used stage1 or stage2</ti>
230     </tr>
231     </table>
232    
233     <p>
234     Write down (or remember) what stage you want to use. You need this later when
235     you decide what LiveCD (or other installation medium) you want to use. You might
236     be interested to know that, if you decide to use different optimization settings
237     after having installed Gentoo, you will be able to recompile your entire system
238     with the new optimization settings.
239     </p>
240    
241     <p>
242     Now take a look at the available installation media.
243     </p>
244    
245     </body>
246     </subsection>
247     <subsection>
248     <title>Gentoo LiveCDs</title>
249     <body>
250    
251     <p>
252     The <e>Gentoo LiveCDs</e> are bootable CDs which contain a
253     self-sustained Gentoo environment. They allow you to boot Linux from the CD.
254     During the boot process your hardware is detected and the appropriate drivers
255     are loaded. They are maintained by Gentoo developers.
256     </p>
257    
258     <p>
259     All LiveCDs allow you to boot, setup networking, initialize your
260     partitions and start installing Gentoo from the Internet. However, some
261     LiveCDs also contain all necessary source code so you are able to install
262     Gentoo without a working network configuration.
263     </p>
264    
265     <p>
266     Now what do these LiveCDs contain?
267     </p>
268    
269     </body>
270     </subsection>
271     <subsection>
272     <title>Gentoo's Minimal LiveCD</title>
273     <body>
274    
275     <p>
276     This is a small, no-nonsense, bootable CD which sole purpose is to boot the
277     system, prepare the networking and continue with the Gentoo installation. It
278     does not contain any stages (or, in some cases, a single stage1 file),
279     source code or precompiled packages. For example the ppc variant of this
280     LiveCD can be found in the <path>universal</path> subdirectory and is called
281     <c>install-ppc-minimal-2004.1.iso</c>.
282     </p>
283    
284     <table>
285     <tr>
286     <th>Minimal LiveCD</th>
287     <th>Pros and Cons</th>
288     </tr>
289     <tr>
290     <th>+</th>
291     <ti>Smallest download</ti>
292     </tr>
293     <tr>
294     <th>+</th>
295     <ti>Suitable for a complete architecture</ti>
296     </tr>
297     <tr>
298     <th>+</th>
299     <ti>
300     You can do a stage1, stage2 or stage3 by getting the stage tarball off the
301     net
302     </ti>
303     </tr>
304     <tr>
305     <th>-</th>
306     <ti>
307 swift 1.5 Contains no stages, no Portage snapshot, no GRP packages and therefore not
308 swift 1.1 suitable for networkless installation
309     </ti>
310     </tr>
311     </table>
312    
313     </body>
314     </subsection>
315     <!--
316     <subsection>
317     <title>Gentoo's Universal LiveCD (not available at the moment for
318     PPC64)</title>
319     <body>
320    
321     <p>
322     Gentoo's Universal LiveCD is a bootable CD suitable to install Gentoo without
323     networking. It contains a stage1 and several stage3 tarballs (optimized for the
324     individual subarchitectures). For example the ppc variant of this CD is called
325     <c>install-ppc-universal-2004.1.iso</c> and can be found in the
326     <path>universal</path> subdirectory.
327     </p>
328    
329     <p>
330     If you take a closer look on our mirrors, you will see
331     that we provide <e>Gentoo Package CDs</e>. This CD (which isn't
332     bootable) only contains precompiled packages and can be used to install software
333     after a succesfull Gentoo Installation. To install Gentoo, you only
334     need the Universal LiveCD, but if you want OpenOffice.org, Mozilla, KDE, GNOME
335     etc. without having to compile every single one of them, you need the Packages
336     CD too. For example the G4 (a subarchitecture of ppc) Packages CD is
337     called <c>packages-g4-2004.1.iso</c> and can be found in the appropriate
338     subdirectory (<path>g4/</path>).
339     </p>
340    
341     <p>
342     You only need the Packages CD if you want to perform a stage3 with GRP
343     installation.
344     </p>
345    
346     <table>
347     <tr>
348     <th>Universal LiveCD with Packages CD</th>
349     <th>Pros and Cons</th>
350     </tr>
351     <tr>
352     <th>+</th>
353     <ti>Packages CD is optimized to your architecture and subarchitecture</ti>
354     </tr>
355     <tr>
356     <th>+</th>
357     <ti>
358     Packages CD provides precompiled packages for fast Gentoo installations
359     </ti>
360     </tr>
361     <tr>
362     <th>+</th>
363     <ti>
364     Contains everything you need. You can even install without a network
365     connection.
366     </ti>
367     </tr>
368     <tr>
369     <th>-</th>
370     <ti>Huge download</ti>
371     </tr>
372     </table>
373    
374     </body>
375     </subsection>
376     -->
377     </section>
378     <section>
379     <title>Download, Burn and Boot a Gentoo LiveCD</title>
380     <subsection>
381     <title>Downloading and Burning the LiveCDs</title>
382     <body>
383    
384     <p>
385     You have chosen to use a Gentoo LiveCD (if not, then you are reading the
386     wrong section). We'll first start by downloading and burning the chosen
387     LiveCD. We previously discussed the several available LiveCDs, but where can you
388     find them?
389     </p>
390    
391     <p>
392     Visit one of our <uri
393     link="/main/en/mirrors.xml">mirrors</uri> and go to
394     <path>experimental/ppc64/livecd</path>, which is
395     the path where the LiveCD(s) of your choice are located. Inside that
396     directory you'll find so-called ISO-files. Those are full CD images
397     which you can write on a CD-R.
398     </p>
399    
400     <p>
401     In case you wonder if your downloaded file is corrupted or not, you can check
402     its MD5 checksum and compare it with the MD5 checksum we provide (such as
403     <path>install-ppc64-minimal-2004.2.iso.md5</path>). You can check the MD5
404     checksum with the <c>md5sum</c> tool under Linux/Unix or <uri
405     link="http://www.etree.org/md5com.html">md5sum</uri> for Windows.
406     </p>
407    
408     <p>
409     As long as Mac OS X does not support <c>md5sum</c> you have to use the md5
410     capability of <c>openssl</c>.
411     </p>
412    
413     <pre caption="md5sum with the help of openssl">
414     $ <i>openssl md5 /path/to/iso</i>
415     <comment>(This could take some time depending on the size of the ISO and your CPU)</comment>
416     </pre>
417    
418     <p>
419     Now compare this output with the appropriate file found on the server where you
420     downloaded the ISO (the file will end with .md5). If it is the same, the ISO
421     image downloaded correctly. Be sure you have not mounted it (e.g. with Disk
422     Copy) yet!
423     </p>
424    
425     <p>
426     More information is available in our <uri
427     link="/doc/en/gentoo-ppc-faq.xml">Gentoo/PPC FAQ</uri>.
428     </p>
429    
430     <p>
431     To burn the downloaded ISO(s), you have to select raw-burning. How you
432     do this is highly program-dependent. We will discuss <c>cdrecord</c> and
433     <c>k3b</c> here; more information canb be found in our <uri
434     link="/doc/en/faq.xml#isoburning">Gentoo FAQ</uri> and the <uri
435     link="/doc/en/gentoo-ppc-faq.xml">Gentoo/PPC FAQ</uri>.
436     </p>
437    
438     <ul>
439     <li>
440     With cdrecord, you simply type <c>cdrecord dev=/dev/hdc</c> (replace
441     <path>/dev/hdc</path> with your CD-RW drive's device path) followed
442     by the path to the ISO file :)
443     </li>
444     <li>
445     With K3B, select <c>Tools</c> &gt; <c>CD</c> &gt; <c>Burn Image</c>. Then
446     you can locate your ISO file within the 'Image to Burn' area. Finally click
447     <c>Start</c>.
448     </li>
449     </ul>
450    
451     </body>
452     </subsection>
453     </section>
454     <section>
455     <title>Booting the PPC LiveCD(s)</title>
456     <subsection>
457     <title>Default: Apple/IBM</title>
458     <body>
459    
460     <p>
461     Place the LiveCD in the CD-ROM and reboot the system. Hold down the 'C' key at
462 swift 1.3 bootup. You will be greeted by a friendly welcome message and a <e>boot:</e>
463     prompt at the bottom of the screen.
464 swift 1.1 </p>
465    
466     <p>
467     You are also able to tweak some kernel options at this prompt. The following
468     table lists the available boot options you can add:
469     </p>
470    
471     <table>
472     <tr>
473     <th>Boot Option</th>
474     <th>Description</th>
475     </tr>
476     <tr>
477     <ti><c>video</c></ti>
478     <ti>
479     This option takes one of the following vendor-specific tags:
480     <c>radeonfb</c>, <c>rivafb</c>, <c>atyfb</c>, <c>aty128</c> or
481     <c>ofonly</c>. You can follow this tag with the resolution and refreshrate
482     you want to use. For instance <c>video=radeonfb:1280x1024@75</c>. If you are
483     uncertain what to choose, <c>ofonly</c> will most certainly work.
484     </ti>
485     </tr>
486     <tr>
487     <ti><c>nol3</c></ti>
488     <ti>
489     Disables level 3 cache on some powerbooks (needed for at least the 17'')
490     </ti>
491     </tr>
492     <tr>
493     <ti><c>debug</c></ti>
494     <ti>
495     Enables verbose booting, spawns an initrd shell that can be used to debug
496     the LiveCD
497     </ti>
498     </tr>
499     <tr>
500     <ti><c>sleep=X</c></ti>
501     <ti>
502     Wait X seconds before continuing; this can be needed by some very old SCSI
503     CD-ROMs which don't speed up the CD quick enough
504     </ti>
505     </tr>
506     <tr>
507     <ti><c>bootfrom=X</c></ti>
508     <ti>
509     Boot from a different device
510     </ti>
511     </tr>
512     </table>
513    
514     <p>
515     At this prompt, hit enter, and a complete Gentoo Linux environment will be
516     loaded from the CD. Continue with <uri link="#booted">And When You're
517     Booted...</uri>.
518     </p>
519    
520     </body>
521     </subsection>
522     <subsection>
523     <title>IBM pSeries</title>
524     <body>
525    
526     <p>
527     For pSeries boxes, sometimes the cds might not autoboot. You might have
528     to setup your cdrom as a bootable device in the multi-boot menu. (F1 at
529     startup) The other option is to jump into OF and do it from there:
530     </p>
531    
532     <p>
533     1) Boot into OF (this is 8 from the serial cons or F8 from a graphics
534     cons, start hitting the key when you see the keyboard mouse etc etc
535     messages
536     </p>
537     <p>
538     2) run the command 0> boot cdrom:1,yaboot
539     </p>
540     <p>
541     3) stand back and enjoy!
542     </p>
543    
544     </body>
545     </subsection>
546     <subsection id="booted">
547     <title>And When You're Booted...</title>
548     <body>
549    
550     <p>
551     You will be greeted by a root ("#") prompt on the current console. You can also
552     switch to other consoles by pressing Alt-fn-F2, Alt-fn-F3 and Alt-fn-F4. Get
553     back to the one you started on by pressing Alt-fn-F1.
554     </p>
555    
556     <p>
557     If you are installing Gentoo on a system with a non-US keyboard, use
558     <c>loadkeys</c> to load the keymap for your keyboard. To list the available
559     keymaps, execute <c>ls /usr/share/keymaps/i386</c>.
560     </p>
561    
562     <pre caption="Listing available keymaps">
563     <comment>(PPC uses x86 keymaps on most systems. The mac/ppc keymaps provided
564     on the LiveCD are ADB keymaps and unusable with the LiveCD kernel)</comment>
565     # <i>ls /usr/share/keymaps/i386</i>
566     </pre>
567    
568     <p>
569     Now load the keymap of your choice:
570     </p>
571    
572     <pre caption="Loading a keymap">
573     # <i>loadkeys be-latin1</i>
574     </pre>
575    
576     <p>
577     Now continue with <uri link="#hardware">Extra Hardware Configuration</uri>.
578     </p>
579    
580     </body>
581     </subsection>
582     <subsection id="hardware">
583     <title>Extra Hardware Configuration</title>
584     <body>
585    
586     <p>
587     When the Live CD boots, it tries to detect all your hardware devices and
588     loads the appropriate kernel modules to support your hardware. In the
589     vast majority of cases, it does a very good job. However, in some cases (the
590     SPARC LiveCDs don't even do autodetection), it may not auto-load the kernel
591     modules you need. If the PCI auto-detection missed some of your system's
592     hardware, you will have to load the appropriate kernel modules manually.
593     </p>
594    
595     <p>
596     In the next example we try to load the <c>8139too</c> module (support for
597     certain kinds of network interfaces):
598     </p>
599    
600     <pre caption="Loading kernel modules">
601     # <i>modprobe 8139too</i>
602     </pre>
603    
604     </body>
605     </subsection>
606     <subsection>
607     <title>Optional: Tweaking Hard Disk Performance</title>
608     <body>
609    
610     <p>
611     If you are an advanced user, you might want to tweak the IDE hard disk
612     performance using <c>hdparm</c>. With the <c>-tT</c> options you can
613     test the performance of your disk (execute it several times to get a
614     more precise impression):
615     </p>
616    
617     <pre caption="Testing disk performance">
618     # <i>hdparm -tT /dev/hda</i>
619     </pre>
620    
621     <p>
622     To tweak, you can use any of the following examples (or experiment
623     yourself) which use <path>/dev/hda</path> as disk (substitute with your
624     disk):
625     </p>
626    
627     <pre caption="Tweaking hard disk performance">
628     <comment>Activate DMA:</comment> # <i>hdparm -d 1 /dev/hda</i>
629     <comment>Activate DMA + Safe Performance-enhancing Options:</comment> # <i>hdparm -d 1 -A 1 -m 16 -u 1 -a 64 /dev/hda</i>
630     </pre>
631    
632     </body>
633     </subsection>
634 swift 1.2 <subsection id="useraccounts">
635 swift 1.1 <title>Optional: User Accounts</title>
636     <body>
637    
638     <p>
639     If you plan on giving other people access to your installation
640     environment or you want to chat using <c>irssi</c> without root privileges (for
641     security reasons), you need to create the necessary user accounts and change
642     the root password.
643     </p>
644    
645     <p>
646     To change the root password, use the <c>passwd</c> utility:
647     </p>
648    
649     <pre caption="Changing the root password">
650     # <i>passwd</i>
651     New password: <comment>(Enter your new password)</comment>
652     Re-enter password: <comment>(Re-enter your password)</comment>
653     </pre>
654    
655     <p>
656     To create a user account, we first enter their credentials, followed by
657     its password. We use <c>useradd</c> and <c>passwd</c> for these tasks.
658     In the next example, we create a user called &quot;john&quot;.
659     </p>
660    
661     <pre caption="Creating a user account">
662     # <i>useradd john</i>
663     # <i>passwd john</i>
664     New password: <comment>(Enter john's password)</comment>
665     Re-enter password: <comment>(Re-enter john's password)</comment>
666     </pre>
667    
668     <p>
669     You can change your user id from root to the newly created user by using
670     <c>su</c>:
671     </p>
672    
673     <pre caption="Changing user id">
674 swift 1.4 # <i>su - john</i>
675 swift 1.1 </pre>
676    
677     </body>
678     </subsection>
679     <subsection>
680 swift 1.2 <title>Optional: Viewing Documentation while Installing</title>
681     <body>
682    
683     <p>
684     If you want to view the Gentoo Handbook (either from-CD or online) during the
685     installation, make sure you have created a user account (see <uri
686     link="#useraccouts">Optional: User Accounts</uri>). Then press <c>Alt-F2</c> to
687     go to a new terminal and log in.
688     </p>
689    
690     <p>
691     If you want to view the documentation on the CD you can immediately run
692     <c>links2</c> to read it:
693     </p>
694    
695     <pre caption="Viewing the on-CD documentation">
696     # <i>links2 /mnt/cdrom/docs/html/index.html</i>
697     </pre>
698    
699     <p>
700     However, it is preferred that you use the online Gentoo Handbook as it will be
701     more recent than the one provided on the CD. You can view it using <c>links2</c>
702     as well, but only after having completed the <e>Configuring your Network</e>
703     chapter (otherwise you won't be able to go on the Internet to view the
704     document):
705     </p>
706    
707     <pre caption="Viewing the Online Documentation">
708     # <i>links2 http://www.gentoo.org/doc/en/handbook/handbook-ppc64.xml</i>
709     </pre>
710    
711     <p>
712     You can go back to your original terminal by pressing <c>Alt-F1</c>.
713     </p>
714    
715     </body>
716     </subsection>
717     <subsection>
718 swift 1.1 <title>Optional: Starting the SSH Daemon</title>
719     <body>
720    
721     <p>
722     If you want to allow other users to access your computer during the
723     Gentoo installation (perhaps because those users are going to help you
724     install Gentoo, or even do it for you), you need to create a user
725     account for them and perhaps even provide them with your root password
726     (<e>only</e> do that <e>if</e> you <b>fully trust</b> that user).
727     </p>
728    
729     <p>
730     To fire up the SSH daemon, execute the following command:
731     </p>
732    
733     <pre caption="Starting the SSH daemon">
734     # <i>/etc/init.d/sshd start</i>
735     </pre>
736    
737     <p>
738     To be able to use sshd, you first need to setup your networking. Continue with
739     the chapter on <uri link="?part=1&amp;chap=3">Configuring your Network</uri>.
740     </p>
741    
742     </body>
743     </subsection>
744     </section>
745     </sections>

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