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#126333 Improvements for pSeries hardware

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 jkt 1.28 <!-- See http://creativecommons.org/licenses/by-sa/2.5 -->
6 swift 1.1
7 neysx 1.30 <!-- $Header: /var/cvsroot/gentoo/xml/htdocs/doc/en/handbook/hb-install-ppc64-medium.xml,v 1.29 2006/02/27 00:55:34 fox2mike Exp $ -->
8 swift 1.1
9     <sections>
10 swift 1.10
11 neysx 1.30 <version>2.12</version>
12     <date>2006-03-16</date>
13 swift 1.10
14 swift 1.1 <section>
15     <title>Hardware Requirements</title>
16     <subsection>
17     <title>Introduction</title>
18     <body>
19    
20     <p>
21     Before we start, we first list what hardware requirements you need to
22 swift 1.14 successfully install Gentoo on your box.
23 swift 1.1 </p>
24    
25     </body>
26     </subsection>
27     <subsection>
28 swift 1.14 <title>Hardware Requirements</title>
29 swift 1.1 <body>
30    
31 swift 1.14 <table>
32     <tr>
33     <th>CPU</th>
34     <ti>Any PowerPC64 CPU</ti>
35     </tr>
36     <tr>
37     <th>Systems</th>
38     <ti>
39 rane 1.23 IBM RS/6000s, Power Macintosh G5, IBM pSeries and IBM iSeries
40 swift 1.14 </ti>
41     </tr>
42     <tr>
43     <th>Memory</th>
44     <ti>64 MB</ti>
45     </tr>
46     <tr>
47     <th>Diskspace</th>
48     <ti>1.5 GB (excluding swap space)</ti>
49     </tr>
50     <tr>
51     <th>Swap space</th>
52     <ti>At least 256 MB</ti>
53     </tr>
54     </table>
55    
56 swift 1.1 <p>
57 swift 1.14 For a full list of supported systems, please go to
58     <uri>http://www.linuxppc64.org/hardware.shtml</uri>.
59 swift 1.1 </p>
60    
61     </body>
62     </subsection>
63     </section>
64 swift 1.14 <!-- Copy/paste from hb-install-x86-medium.xml, with s/x86/ppc64/ -->
65     <!-- START -->
66 swift 1.1 <section>
67 swift 1.17 <title>The Gentoo Installation CDs</title>
68 swift 1.1 <subsection>
69 swift 1.14 <title>Introduction</title>
70 swift 1.1 <body>
71    
72     <p>
73 swift 1.17 The <e>Gentoo Installation CDs</e> are bootable CDs which contain a
74 swift 1.1 self-sustained Gentoo environment. They allow you to boot Linux from the CD.
75     During the boot process your hardware is detected and the appropriate drivers
76     are loaded. They are maintained by Gentoo developers.
77     </p>
78    
79     <p>
80 swift 1.17 All Installation CDs allow you to boot, set up networking, initialize your
81 swift 1.14 partitions and start installing Gentoo from the Internet. We currently provide
82 swift 1.17 two Installation CDs which are equaly suitable to install Gentoo from, as long
83     as you're planning on performing an Internet-based installation using the
84     latest version of the available packages.
85 swift 1.14 </p>
86    
87     <p>
88 swift 1.15 If you wish to install Gentoo without a working Internet connection, please use
89 swift 1.14 the installation instructions described in the <uri
90 fox2mike 1.29 link="2006.0/index.xml">Gentoo 2006.0 Handbooks</uri>. This is currently not
91 swift 1.14 supported for the PPC64 architecture though.
92 swift 1.1 </p>
93    
94     <p>
95 neysx 1.27 The two Installation CDs that we currently provide are:
96     </p>
97    
98     <ul>
99     <li>
100     The Gentoo <e>Minimal</e> Installation CD, a small, no-nonsense, bootable
101     CD which sole purpose is to boot the system, prepare the networking and
102     continue with the Gentoo installation.
103     </li>
104     <li>
105     The Gentoo <e>Universal</e> Installation CD, a bootable CD with the same
106     abilities as the Minimal Installation CD. Additionally, it contains
107     several stage3 tarballs (optimized for the individual subarchitectures).
108     </li>
109     </ul>
110    
111     <p>
112     To help you decide which Installation CD you need, we have written down the
113     major advantages and disadvantages of each Installation CD.
114 swift 1.1 </p>
115    
116     </body>
117     </subsection>
118     <subsection>
119 swift 1.17 <title>Gentoo's Minimal Installation CD</title>
120 swift 1.1 <body>
121    
122     <p>
123 swift 1.17 The Minimal Installation CD is called
124 fox2mike 1.29 <c>install-ppc64-minimal-2006.0.iso</c> and takes up only 124 MB of
125 swift 1.17 diskspace. You can use this Installation CD to install Gentoo, but always with a
126 swift 1.14 working Internet connection only.
127 swift 1.1 </p>
128    
129     <table>
130     <tr>
131 swift 1.17 <th>Minimal Installation CD</th>
132 swift 1.1 <th>Pros and Cons</th>
133     </tr>
134     <tr>
135     <th>+</th>
136     <ti>Smallest download</ti>
137     </tr>
138     <tr>
139     <th>-</th>
140     <ti>
141 swift 1.25 Contains no stage3 tarball, no Portage snapshot, no prebuilt packages and is
142 swift 1.14 therefore not suitable for networkless installation
143 swift 1.1 </ti>
144     </tr>
145     </table>
146    
147     </body>
148     </subsection>
149 swift 1.25 <subsection>
150 neysx 1.27 <title>Gentoo's Universal Installation CD</title>
151     <body>
152    
153     <p>
154     The Universal Installation CD is called
155 fox2mike 1.29 <c>install-ppc64-universal-2006.0-32ul.iso</c> and uses 460 MB. You can use
156     this Installation CD to install Gentoo, and you can even use it to install
157     Gentoo without a working internet connection, just in case you want to bring
158     Gentoo to another PC than the one you are currently installing Gentoo on :)
159 neysx 1.27 </p>
160    
161     <table>
162     <tr>
163     <th>Universal Installation CD</th>
164     <th>Pros and Cons</th>
165     </tr>
166     <tr>
167     <th>+</th>
168     <ti>
169     Contains everything you need. You can even install without a network
170     connection.
171     </ti>
172     </tr>
173     <tr>
174     <th>-</th>
175     <ti>Huge download</ti>
176     </tr>
177     </table>
178    
179     </body>
180     </subsection>
181     <subsection>
182 swift 1.25 <title>The Stage3 Tarball</title>
183     <body>
184    
185     <p>
186     A stage3 tarball is an archive containing a minimal Gentoo environment, suitable
187     to continue the Gentoo installation using the instructions in this manual.
188     Previously, the Gentoo Handbook described the installation using one of three
189     stage tarballs. While Gentoo still offers stage1 and stage2 tarballs, the
190     official installation method uses the stage3 tarball. If you are interested in
191     performing a Gentoo installation using a stage1 or stage2 tarball, please read
192     the Gentoo FAQ on <uri link="/doc/en/faq.xml#stage12">How do I Install Gentoo
193     Using a Stage1 or Stage2 Tarball?</uri>
194     </p>
195    
196     </body>
197     </subsection>
198 swift 1.1 </section>
199 swift 1.14 <!-- STOP -->
200 swift 1.1 <section>
201 swift 1.17 <title>Download, Burn and Boot a Gentoo Installation CD</title>
202 swift 1.1 <subsection>
203 swift 1.17 <title>Downloading and Burning the Installation CDs</title>
204 swift 1.1 <body>
205    
206     <p>
207 swift 1.17 You have chosen to use a Gentoo Installation CD. We'll first start by
208     downloading and burning the chosen Installation CD. We previously discussed the
209     several available Installation CDs, but where can you find them?
210 swift 1.14 </p>
211    
212     <p>
213 neysx 1.27 You can download any of the Installation CDs (and, if you want to, a Packages
214 swift 1.17 CD as well) from one of our <uri link="/main/en/mirrors.xml">mirrors</uri>. The
215 neysx 1.27 Installation CDs are located in the
216 fox2mike 1.29 <path>releases/ppc/2006.0/ppc64/installcd</path> directory.
217 swift 1.1 </p>
218    
219     <p>
220 neysx 1.26 Inside that directory you'll find ISO-files. Those are full CD images
221 swift 1.1 which you can write on a CD-R.
222     </p>
223    
224     <p>
225 swift 1.14 In case you wonder if your downloaded file is corrupted or not, you can
226     check its MD5 checksum and compare it with the MD5 checksum we provide (such as
227 fox2mike 1.29 <path>install-ppc64-minimal-2006.0.iso.DIGESTS</path>). You can check the MD5
228 swift 1.1 checksum with the <c>md5sum</c> tool under Linux/Unix or <uri
229     link="http://www.etree.org/md5com.html">md5sum</uri> for Windows.
230     </p>
231    
232     <p>
233 swift 1.14 Another way to check the validity of the downloaded file is to use GnuPG to
234     verify the cryptographic signature that we provide (the file ending with
235     <path>.asc</path>). Download the signature file and obtain the public key:
236 swift 1.1 </p>
237    
238 swift 1.14 <pre caption="Obtaining the public key">
239 jkt 1.28 $ <i>gpg --keyserver subkeys.pgp.net --recv-keys 17072058</i>
240 swift 1.1 </pre>
241    
242     <p>
243 swift 1.14 Now verify the signature:
244 swift 1.1 </p>
245    
246 swift 1.14 <pre caption="Verify the cryptographic signature">
247     $ <i>gpg --verify &lt;signature file&gt; &lt;downloaded iso&gt;</i>
248     </pre>
249 swift 1.1
250     <p>
251     To burn the downloaded ISO(s), you have to select raw-burning. How you
252 swift 1.14 do this is highly program-dependent. We will discuss <c>cdrecord</c> and
253     <c>K3B</c> here; more information can be found in our <uri
254     link="/doc/en/faq.xml#isoburning">Gentoo FAQ</uri>.
255 swift 1.1 </p>
256    
257     <ul>
258     <li>
259 swift 1.14 With cdrecord, you simply type <c>cdrecord dev=/dev/hdc &lt;downloaded iso
260     file&gt;</c> (replace <path>/dev/hdc</path> with your CD-RW drive's
261 swift 1.16 device path).
262 swift 1.1 </li>
263     <li>
264 swift 1.14 With K3B, select <c>Tools</c> &gt; <c>CD</c> &gt; <c>Burn Image</c>. Then
265 swift 1.1 you can locate your ISO file within the 'Image to Burn' area. Finally click
266     <c>Start</c>.
267     </li>
268 swift 1.7 <li>
269     With Mac OS X Panther, launch <c>Disk Utility</c> from
270     <path>Applications/Utilities</path>, select <c>Open</c> from the
271     <c>Images</c> menu, select the mounted disk image in the main window and
272     select <c>Burn</c> in the <c>Images</c> menu.
273     </li>
274     <li>
275     With Mac OS X Jaguar, launch <c>Disk Copy</c> from
276     <path>Applications/Utilities</path>, select <c>Burn Image</c> from the
277     <c>File</c> menu, select the ISO and click the <c>Burn</c> button.
278     </li>
279 swift 1.1 </ul>
280    
281     </body>
282     </subsection>
283     <subsection>
284 swift 1.17 <title>Default: Booting the Installation CD on an Apple/IBM</title>
285 swift 1.1 <body>
286    
287     <p>
288 swift 1.17 Place the Installation CD in the CD-ROM and reboot the system. Hold down the
289     'C' key at bootup. You will be greeted by a friendly welcome message and a
290     <e>boot:</e> prompt at the bottom of the screen.
291 swift 1.1 </p>
292    
293     <p>
294     You are also able to tweak some kernel options at this prompt. The following
295     table lists the available boot options you can add:
296     </p>
297    
298     <table>
299     <tr>
300     <th>Boot Option</th>
301     <th>Description</th>
302     </tr>
303     <tr>
304     <ti><c>video</c></ti>
305     <ti>
306     This option takes one of the following vendor-specific tags:
307     <c>radeonfb</c>, <c>rivafb</c>, <c>atyfb</c>, <c>aty128</c> or
308     <c>ofonly</c>. You can follow this tag with the resolution and refreshrate
309     you want to use. For instance <c>video=radeonfb:1280x1024@75</c>. If you are
310     uncertain what to choose, <c>ofonly</c> will most certainly work.
311     </ti>
312     </tr>
313     <tr>
314     <ti><c>nol3</c></ti>
315     <ti>
316     Disables level 3 cache on some powerbooks (needed for at least the 17'')
317     </ti>
318     </tr>
319     <tr>
320     <ti><c>debug</c></ti>
321     <ti>
322     Enables verbose booting, spawns an initrd shell that can be used to debug
323 swift 1.17 the Installation CD
324 swift 1.1 </ti>
325     </tr>
326     <tr>
327     <ti><c>sleep=X</c></ti>
328     <ti>
329     Wait X seconds before continuing; this can be needed by some very old SCSI
330     CD-ROMs which don't speed up the CD quick enough
331     </ti>
332     </tr>
333     <tr>
334     <ti><c>bootfrom=X</c></ti>
335     <ti>
336     Boot from a different device
337     </ti>
338     </tr>
339     </table>
340    
341     <p>
342     At this prompt, hit enter, and a complete Gentoo Linux environment will be
343     loaded from the CD. Continue with <uri link="#booted">And When You're
344     Booted...</uri>.
345     </p>
346    
347     </body>
348     </subsection>
349     <subsection>
350     <title>IBM pSeries</title>
351     <body>
352    
353     <p>
354 neysx 1.30 The CD should autoboot on your pSeries box, but sometimes it does not. In that
355     case, you have to set up your cdrom as a bootable device in the multi-boot
356     menu. If you start your machine with a monitor and a keyboard attached, you can
357     reach the multi-boot menu pressing the F1 key on startup. But if you start your
358     machine using the serial console, then you have to press <c>1</c>. Press the
359     key when you see the beginning of the following line on the serial console:
360 swift 1.1 </p>
361    
362 neysx 1.30 <pre caption="Hit the '1' key when this line appears">
363     memory keyboard network scsi speaker
364     </pre>
365    
366 swift 1.1 <p>
367 neysx 1.30 The other option is to jump into OpenFirmware and do it from there:
368 swift 1.1 </p>
369 neysx 1.30
370     <ol>
371     <li>
372     Boot into OpenFirmware: same procedure as getting into multi-boot
373     (described a few lines above), but use F8 and 8 instead of F1 and 1.
374     </li>
375     <li>Run the command 0> boot cdrom:1,yaboot</li>
376     <li>Stand back and enjoy!</li>
377     </ol>
378    
379     <note>
380     If you get something like the following output, then OpenFirmware isn't set up
381     correctly. Please use the multi-boot option described above.
382     </note>
383    
384     <pre caption="Output if OpenFirmwareF is not set up correctly">
385     0 > boot cdrom:1,yaboot
386     ok
387     0 >
388     </pre>
389 swift 1.1
390     </body>
391     </subsection>
392     <subsection id="booted">
393     <title>And When You're Booted...</title>
394     <body>
395    
396     <p>
397     You will be greeted by a root ("#") prompt on the current console. You can also
398     switch to other consoles by pressing Alt-fn-F2, Alt-fn-F3 and Alt-fn-F4. Get
399     back to the one you started on by pressing Alt-fn-F1.
400     </p>
401    
402     <p>
403     If you are installing Gentoo on a system with a non-US keyboard, use
404     <c>loadkeys</c> to load the keymap for your keyboard. To list the available
405     keymaps, execute <c>ls /usr/share/keymaps/i386</c>.
406     </p>
407    
408     <pre caption="Listing available keymaps">
409     <comment>(PPC uses x86 keymaps on most systems. The mac/ppc keymaps provided
410 swift 1.17 on the Installation CD are ADB keymaps and unusable with the
411     Installation CD kernel)</comment>
412 swift 1.1 # <i>ls /usr/share/keymaps/i386</i>
413     </pre>
414    
415     <p>
416     Now load the keymap of your choice:
417     </p>
418    
419     <pre caption="Loading a keymap">
420     # <i>loadkeys be-latin1</i>
421     </pre>
422    
423     <p>
424     Now continue with <uri link="#hardware">Extra Hardware Configuration</uri>.
425     </p>
426    
427     </body>
428     </subsection>
429     <subsection id="hardware">
430     <title>Extra Hardware Configuration</title>
431     <body>
432    
433     <p>
434 swift 1.17 When the Installation CD boots, it tries to detect all your hardware devices and
435 swift 1.1 loads the appropriate kernel modules to support your hardware. In the
436 swift 1.17 vast majority of cases, it does a very good job. However, in some cases it may
437     not auto-load the kernel
438 swift 1.1 modules you need. If the PCI auto-detection missed some of your system's
439     hardware, you will have to load the appropriate kernel modules manually.
440     </p>
441    
442     <p>
443     In the next example we try to load the <c>8139too</c> module (support for
444     certain kinds of network interfaces):
445     </p>
446    
447     <pre caption="Loading kernel modules">
448     # <i>modprobe 8139too</i>
449     </pre>
450    
451     </body>
452     </subsection>
453     <subsection>
454     <title>Optional: Tweaking Hard Disk Performance</title>
455     <body>
456    
457     <p>
458     If you are an advanced user, you might want to tweak the IDE hard disk
459     performance using <c>hdparm</c>. With the <c>-tT</c> options you can
460     test the performance of your disk (execute it several times to get a
461     more precise impression):
462     </p>
463    
464     <pre caption="Testing disk performance">
465     # <i>hdparm -tT /dev/hda</i>
466     </pre>
467    
468     <p>
469     To tweak, you can use any of the following examples (or experiment
470     yourself) which use <path>/dev/hda</path> as disk (substitute with your
471     disk):
472     </p>
473    
474     <pre caption="Tweaking hard disk performance">
475     <comment>Activate DMA:</comment> # <i>hdparm -d 1 /dev/hda</i>
476     <comment>Activate DMA + Safe Performance-enhancing Options:</comment> # <i>hdparm -d 1 -A 1 -m 16 -u 1 -a 64 /dev/hda</i>
477     </pre>
478    
479     </body>
480     </subsection>
481 swift 1.2 <subsection id="useraccounts">
482 swift 1.1 <title>Optional: User Accounts</title>
483     <body>
484    
485     <p>
486     If you plan on giving other people access to your installation
487     environment or you want to chat using <c>irssi</c> without root privileges (for
488     security reasons), you need to create the necessary user accounts and change
489     the root password.
490     </p>
491    
492     <p>
493     To change the root password, use the <c>passwd</c> utility:
494     </p>
495    
496     <pre caption="Changing the root password">
497     # <i>passwd</i>
498     New password: <comment>(Enter your new password)</comment>
499     Re-enter password: <comment>(Re-enter your password)</comment>
500     </pre>
501    
502     <p>
503     To create a user account, we first enter their credentials, followed by
504     its password. We use <c>useradd</c> and <c>passwd</c> for these tasks.
505     In the next example, we create a user called &quot;john&quot;.
506     </p>
507    
508     <pre caption="Creating a user account">
509 swift 1.8 # <i>useradd -m -G users john</i>
510 swift 1.1 # <i>passwd john</i>
511     New password: <comment>(Enter john's password)</comment>
512     Re-enter password: <comment>(Re-enter john's password)</comment>
513     </pre>
514    
515     <p>
516     You can change your user id from root to the newly created user by using
517     <c>su</c>:
518     </p>
519    
520     <pre caption="Changing user id">
521 swift 1.4 # <i>su - john</i>
522 swift 1.1 </pre>
523    
524     </body>
525     </subsection>
526     <subsection>
527 swift 1.2 <title>Optional: Viewing Documentation while Installing</title>
528     <body>
529    
530     <p>
531 neysx 1.20 If you want to view the Gentoo Handbook during the installation, make sure you
532     have created a user account (see <uri link="#useraccounts">Optional: User
533     Accounts</uri>). Then press <c>Alt-F2</c> to go to a new terminal and log in.
534 swift 1.2 </p>
535    
536     <p>
537     If you want to view the documentation on the CD you can immediately run
538 fox2mike 1.29 <c>links</c> to read it:
539 swift 1.2 </p>
540    
541     <pre caption="Viewing the on-CD documentation">
542 fox2mike 1.29 # <i>links /mnt/cdrom/docs/handbook/html/index.html</i>
543 swift 1.2 </pre>
544    
545     <p>
546     However, it is preferred that you use the online Gentoo Handbook as it will be
547 neysx 1.20 more recent than the one provided on the CD.
548 swift 1.2 </p>
549    
550     <pre caption="Viewing the Online Documentation">
551 fox2mike 1.29 # <i>links http://www.gentoo.org/doc/en/handbook/handbook-ppc64.xml</i>
552 swift 1.2 </pre>
553    
554     <p>
555     You can go back to your original terminal by pressing <c>Alt-F1</c>.
556     </p>
557    
558     </body>
559     </subsection>
560     <subsection>
561 swift 1.1 <title>Optional: Starting the SSH Daemon</title>
562     <body>
563    
564     <p>
565     If you want to allow other users to access your computer during the
566     Gentoo installation (perhaps because those users are going to help you
567     install Gentoo, or even do it for you), you need to create a user
568     account for them and perhaps even provide them with your root password
569     (<e>only</e> do that <e>if</e> you <b>fully trust</b> that user).
570     </p>
571    
572     <p>
573     To fire up the SSH daemon, execute the following command:
574     </p>
575    
576     <pre caption="Starting the SSH daemon">
577     # <i>/etc/init.d/sshd start</i>
578     </pre>
579    
580     <p>
581 swift 1.6 To be able to use sshd, you first need to set up your networking. Continue with
582 swift 1.1 the chapter on <uri link="?part=1&amp;chap=3">Configuring your Network</uri>.
583     </p>
584    
585     </body>
586     </subsection>
587     </section>
588     </sections>

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