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Revision 1.66 - (show annotations) (download) (as text)
Sat Apr 12 12:25:48 2014 UTC (2 months, 4 weeks ago) by swift
Branch: MAIN
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Changes since 1.65: +14 -128 lines
File MIME type: application/xml
Fix bug #506132 - Most architectures only have a single installation CD. Also, LiveDVD is not created every 6 months. Thanks to Vladimir Romanov

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/2.5 -->
6
7 <!-- $Header: /var/cvsroot/gentoo/xml/htdocs/doc/en/handbook/hb-install-alpha-medium.xml,v 1.65 2014/01/23 19:32:49 swift Exp $ -->
8
9 <sections>
10
11 <version>23</version>
12 <date>2014-04-12</date>
13
14 <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 successfully install Gentoo on your box.
23 </p>
24
25 </body>
26 </subsection>
27 <subsection>
28 <title>Hardware Requirements</title>
29 <body>
30
31 <table>
32 <tr>
33 <th>CPU</th>
34 <ti>
35 Please check with the <uri
36 link="http://www.alphalinux.org/faq/FAQ-5.html">Alpha/Linux FAQ</uri>
37 </ti>
38 </tr>
39 <tr>
40 <th>Memory</th>
41 <ti>64 MB</ti>
42 </tr>
43 <tr>
44 <th>Diskspace</th>
45 <ti>1.5 GB (excluding swap space)</ti>
46 </tr>
47 <tr>
48 <th>Swap space</th>
49 <ti>At least 256 MB</ti>
50 </tr>
51 </table>
52
53 </body>
54 </subsection>
55 </section>
56
57 <section>
58 <title>The Gentoo Installation CD</title>
59 <subsection>
60 <title>Gentoo Minimal Installation CD</title>
61 <body>
62
63 <p>
64 The <e>Minimal Installation CD</e> is a bootable CD which contains a
65 self-sustained Gentoo environment. It allows you to boot Linux from the CD.
66 During the boot process your hardware is detected and the appropriate drivers
67 are loaded. The CD is maintained by Gentoo developers and allows you to install
68 Gentoo with an active Internet connection.
69 </p>
70
71 <p>
72 The Minimal Installation CD is called <c><keyval id="min-cd-name"/></c> and
73 takes up around <keyval id="min-cd-size"/> MB of diskspace.
74 </p>
75
76 </body>
77 </subsection>
78 <subsection>
79 <title>The Stage3 Tarball</title>
80 <body>
81
82 <p>
83 A stage3 tarball is an archive containing a minimal Gentoo environment, suitable
84 to continue the Gentoo installation using the instructions in this manual.
85 Previously, the Gentoo Handbook described the installation using one of three
86 stage tarballs. While Gentoo still offers stage1 and stage2 tarballs, the
87 official installation method uses the stage3 tarball. If you are interested in
88 performing a Gentoo installation using a stage1 or stage2 tarball, please read
89 the Gentoo FAQ on <uri link="https://wiki.gentoo.org/wiki/FAQ/#How_do_I_Install_Gentoo_Using_a_Stage1_or_Stage2_Tarball.3F">How
90 do I Install Gentoo Using a Stage1 or Stage2 Tarball?</uri>
91 </p>
92
93 <p>
94 Stage3 tarballs can be downloaded from <path><keyval
95 id="release-dir"/>current-stage3/</path> on any of the <uri
96 link="/main/en/mirrors.xml">Official Gentoo Mirrors</uri> and are not provided
97 on the LiveCD.
98 </p>
99
100 </body>
101 </subsection>
102 </section>
103 <!-- STOP -->
104 <section>
105 <title>Download, Burn and Boot a Gentoo Installation CD</title>
106 <subsection>
107 <title>Downloading and Burning the Installation CD</title>
108 <body>
109
110 <p>
111 You have chosen to use a Gentoo Installation CD. We'll first start by
112 downloading and burning the chosen Installation CD. We previously discussed
113 the Installation CD, but where can you find it?
114 </p>
115
116 <p>
117 You can download the Installation CD from one of our <uri
118 link="/main/en/mirrors.xml">mirrors</uri>. The Installation CD is located in
119 the <path><keyval id="release-dir"/>current-iso/</path> directory.
120 </p>
121
122 <p>
123 Inside that directory you'll find the ISO file. This is a full CD image which you
124 can write on a CD-R.
125 </p>
126
127 <p>
128 In case you wonder if your downloaded file is corrupted or not, you can check
129 its SHA-2 checksum and compare it with the SHA-2 checksum we provide (such as
130 <path><keyval id="min-cd-name"/>.DIGESTS</path>). You can check the SHA-2 checksum
131 with the <c>sha512sum</c> tool under Linux/Unix or <uri
132 link="http://www.sinf.gr/en/hashcalc.html">Checksums calculator</uri> for Windows.
133 </p>
134
135 <note>
136 The tool will attempt to verify the checksums in the list, even if the checksum
137 is made with a different algorithm. Therefore, the output of the command might
138 give both success (for SHA checksums) and failures (for other checksums). At
139 least one OK needs to be provided for each file.
140 </note>
141
142 <pre caption="Verifying the SHA-2 checksum">
143 $ <i>sha512sum -c &lt;downloaded iso.DIGESTS&gt;</i>
144 </pre>
145
146 <note>
147 If you get the message that no properly formatted SHA checksum was found, take a
148 look at the DIGESTS file yourself to see what the supported checksums are.
149 </note>
150
151 <p>
152 Another way to check the validity of the downloaded file is to use GnuPG to
153 verify the cryptographic signature that we provide (the file ending with
154 <path>.asc</path>). Download the signature file and obtain the public keys whose
155 key ids can be found on the <uri link="/proj/en/releng/index.xml">release
156 engineering project site</uri>.
157 </p>
158
159 <pre caption="Obtaining the public key">
160 <comment>(... Substitute the key ids with those mentioned on the release engineering site ...)</comment>
161 $ <i>gpg --keyserver subkeys.pgp.net --recv-keys 96D8BF6D 2D182910 17072058</i>
162 </pre>
163
164 <p>
165 Now verify the signature:
166 </p>
167
168 <pre caption="Verify the files">
169 $ <i>gpg --verify &lt;downloaded iso.DIGESTS.asc&gt;</i>
170 $ <i>sha512sum -c &lt;downloaded iso.DIGESTS.asc&gt;</i>
171 </pre>
172
173 <p>
174 To burn the downloaded ISO(s), you have to select raw-burning. How you
175 do this is highly program-dependent. We will discuss <c>cdrecord</c> and
176 <c>K3B</c> here; more information can be found in our <uri
177 link="https://wiki.gentoo.org/wiki/FAQ#How_do_I_burn_an_ISO_file.3F">Gentoo FAQ</uri>.
178 </p>
179
180 <ul>
181 <li>
182 With cdrecord, you simply type <c>cdrecord dev=/dev/sr0 &lt;downloaded iso
183 file&gt;</c> (replace <path>/dev/sr0</path> with your CD-RW drive's
184 device path).
185 </li>
186 <li>
187 With K3B, select <c>Tools</c> &gt; <c>Burn CD Image</c>. Then you can locate
188 your ISO file within the 'Image to Burn' area. Finally click <c>Start</c>.
189 </li>
190 </ul>
191
192 </body>
193 </subsection>
194 <subsection>
195 <title>Booting the Installation CD</title>
196 <body>
197
198 <p>
199 When your Alpha is powered on, the first thing that gets started is the
200 firmware. It is loosely synonymous with the BIOS software on PC systems. There
201 are two types of firmware on Alpha systems: SRM (<e>Systems Reference
202 Manual</e>) and ARC (<e>Advanced Risc Console</e>).
203 </p>
204
205 <p>
206 SRM is based on the Alpha Console Subsystem specification, which provides an
207 operating environment for OpenVMS, Tru64 UNIX, and Linux operating systems. ARC
208 is based on the Advanced RISC Computing (ARC) specification, which provides
209 an operating environment for Windows NT. You can find a
210 <uri link="http://www.alphalinux.org/faq/SRM-HOWTO/">detailed guide</uri> on
211 using SRM over at the Alpha Linux website.
212 </p>
213
214 <p>
215 If your Alpha system supports both SRM and ARCs (ARC, AlphaBIOS, ARCSBIOS) you
216 should follow <uri link="http://www.alphalinux.org/faq/x31.html">these
217 instructions</uri> for switching to SRM. If your system already uses SRM, you
218 are all set. If your system can only use ARCs (Ruffian, nautilus, xl, etc.) you
219 will need to choose <c>MILO</c> later on when we are talking about bootloaders.
220 </p>
221
222 <p>
223 Now to boot an Alpha Installation CD, put the CD-ROM in the tray and reboot the
224 system. You can use SRM to boot the Installation CD. If you cannot do that, you
225 will have to use <c>MILO</c>.
226 </p>
227
228 <pre caption="Booting a CD-ROM using SRM">
229 <comment>(List available hardware drives)</comment>
230 &gt;&gt;&gt; <i>show device</i>
231 dkb0.0.1.4.0 DKB0 TOSHIBA CDROM
232 <comment>(...)</comment>
233 <comment>(Substitute dkb0 with your CD-ROM drive device)</comment>
234 &gt;&gt;&gt; <i>boot dkb0 -flags 0</i>
235 <comment>(This flag will use serial port ttyS0 as the default console)</comment>
236 &gt;&gt;&gt; <i>boot dkb0 -flags 2</i>
237 </pre>
238
239 <pre caption="Booting a CD-ROM using MILO">
240 <comment>(Substitute sdb with your CD-ROM drive device)</comment>
241 MILO&gt; <i>boot sdb:/boot/gentoo initrd=/boot/gentoo.igz root=/dev/ram0 init=/linuxrc looptype=squashfs loop=/image.squashfs cdroot</i>
242 <comment>(Using serial port ttyS0 as the default console)</comment>
243 MILO&gt; <i>boot sdb:/boot/gentoo initrd=/boot/gentoo.igz root=/dev/ram0 init=/linuxrc looptype=squashfs loop=/image.squashfs console=ttyS0 cdroot</i>
244 </pre>
245
246 <p>
247 You should have a root ("#") prompt on the current console and can also switch
248 to other consoles by pressing Alt-F2, Alt-F3 and Alt-F4. Get back to the one you
249 started on by pressing Alt-F1.
250 </p>
251
252 <p>
253 Now continue with <uri link="#hardware">Extra Hardware Configuration</uri>.
254 </p>
255
256 </body>
257 </subsection>
258
259 <subsection>
260 <include href="hb-install-bootconfig.xml"/>
261 </subsection>
262
263 </section>
264 </sections>

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