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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/2.5 --> 5<!-- See http://creativecommons.org/licenses/by-sa/2.5 -->
6 6
7<!-- $Header: /var/cvsroot/gentoo/xml/htdocs/doc/en/handbook/hb-install-ppc64-medium.xml,v 1.37 2008/04/01 08:53:46 nightmorph Exp $ --> 7<!-- $Header: /var/cvsroot/gentoo/xml/htdocs/doc/en/handbook/hb-install-ppc64-medium.xml,v 1.38 2008/05/02 08:04:23 nightmorph Exp $ -->
8 8
9<sections> 9<sections>
10 10
11<version>9.0</version> 11<version>9.1</version>
12<date>2008-04-01</date> 12<date>2008-05-02</date>
13 13
14<section> 14<section>
15<title>Hardware Requirements</title> 15<title>Hardware Requirements</title>
16<subsection> 16<subsection>
17<title>Introduction</title> 17<title>Introduction</title>
479Now continue with <uri link="#hardware">Extra Hardware Configuration</uri>. 479Now continue with <uri link="#hardware">Extra Hardware Configuration</uri>.
480</p> 480</p>
481 481
482</body> 482</body>
483</subsection> 483</subsection>
484<subsection id="hardware">
485<title>Extra Hardware Configuration</title>
486<body>
487 484
488<p>
489When the Installation CD boots, it tries to detect all your hardware devices and
490loads the appropriate kernel modules to support your hardware. In the vast
491majority of cases, it does a very good job. However, in some cases it may not
492auto-load the kernel modules you need. If the PCI auto-detection missed some of
493your system's hardware, you will have to load the appropriate kernel modules
494manually.
495</p>
496
497<p>
498In the next example we try to load the <c>8139too</c> module (support for
499certain kinds of network interfaces):
500</p>
501
502<pre caption="Loading kernel modules">
503# <i>modprobe 8139too</i>
504</pre>
505
506</body>
507</subsection> 485<subsection>
486<include href="hb-install-bootconfig.xml"/>
508<subsection> 487</subsection>
509<title>Optional: Tweaking Hard Disk Performance</title>
510<body>
511 488
512<p>
513If you are an advanced user, you might want to tweak the IDE hard disk
514performance using <c>hdparm</c>. With the <c>-tT</c> options you can
515test the performance of your disk (execute it several times to get a
516more precise impression):
517</p>
518
519<pre caption="Testing disk performance">
520# <i>hdparm -tT /dev/hda</i>
521</pre>
522
523<p>
524To tweak, you can use any of the following examples (or experiment
525yourself) which use <path>/dev/hda</path> as disk (substitute with your
526disk):
527</p>
528
529<pre caption="Tweaking hard disk performance">
530<comment>Activate DMA:</comment>
531# <i>hdparm -d 1 /dev/hda</i>
532<comment>Activate DMA + Safe Performance-enhancing Options:</comment>
533# <i>hdparm -d 1 -A 1 -m 16 -u 1 -a 64 /dev/hda</i>
534</pre>
535
536</body>
537</subsection>
538<subsection id="useraccounts">
539<title>Optional: User Accounts</title>
540<body>
541
542<p>
543If you plan on giving other people access to your installation
544environment or you want to chat using <c>irssi</c> without root privileges (for
545security reasons), you need to create the necessary user accounts and change
546the root password.
547</p>
548
549<p>
550To change the root password, use the <c>passwd</c> utility:
551</p>
552
553<pre caption="Changing the root password">
554# <i>passwd</i>
555New password: <comment>(Enter your new password)</comment>
556Re-enter password: <comment>(Re-enter your password)</comment>
557</pre>
558
559<p>
560To create a user account, we first enter their credentials, followed by
561its password. We use <c>useradd</c> and <c>passwd</c> for these tasks.
562In the next example, we create a user called &quot;john&quot;.
563</p>
564
565<pre caption="Creating a user account">
566# <i>useradd -m -G users john</i>
567# <i>passwd john</i>
568New password: <comment>(Enter john's password)</comment>
569Re-enter password: <comment>(Re-enter john's password)</comment>
570</pre>
571
572<p>
573You can change your user id from root to the newly created user by using
574<c>su</c>:
575</p>
576
577<pre caption="Changing user id">
578# <i>su - john</i>
579</pre>
580
581</body>
582</subsection>
583<subsection>
584<title>Optional: Viewing Documentation while Installing</title>
585<body>
586
587<p>
588If you want to view the Gentoo Handbook during the installation, make sure you
589have created a user account (see <uri link="#useraccounts">Optional: User
590Accounts</uri>). Then press <c>Alt-F2</c> to go to a new terminal and log in.
591</p>
592
593<p>
594If you want to view the documentation on the CD you can immediately run
595<c>links</c> to read it:
596</p>
597
598<pre caption="Viewing the on-CD documentation">
599# <i>links /mnt/cdrom/docs/handbook/html/index.html</i>
600</pre>
601
602<p>
603However, it is preferred that you use the online Gentoo Handbook as it will be
604more recent than the one provided on the CD.
605</p>
606
607<pre caption="Viewing the Online Documentation">
608# <i>links http://www.gentoo.org/doc/en/handbook/<keyval id="online-book"/></i>
609</pre>
610
611<p>
612You can go back to your original terminal by pressing <c>Alt-F1</c>.
613</p>
614
615</body>
616</subsection>
617<subsection>
618<title>Optional: Starting the SSH Daemon</title>
619<body>
620
621<p>
622If you want to allow other users to access your computer during the
623Gentoo installation (perhaps because those users are going to help you
624install Gentoo, or even do it for you), you need to create a user
625account for them and perhaps even provide them with your root password
626(<e>only</e> do that <e>if</e> you <b>fully trust</b> that user).
627</p>
628
629<p>
630To fire up the SSH daemon, execute the following command:
631</p>
632
633<pre caption="Starting the SSH daemon">
634# <i>/etc/init.d/sshd start</i>
635</pre>
636
637<p>
638To be able to use sshd, you first need to set up your networking. Continue with
639the chapter on <uri link="?part=1&amp;chap=3">Configuring your Network</uri>.
640</p>
641
642</body>
643</subsection>
644</section> 489</section>
645</sections> 490</sections>

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