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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 1.64 2013/12/17 10:38:05 swift Exp $ -->
8
9 <sections>
10
11 <version>22</version>
12 <date>2014-01-23</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>Introduction</title>
61 <body>
62
63 <p>
64 The <e>Gentoo Installation CDs</e> are bootable CDs which contain a
65 self-sustained Gentoo environment. They allow you to boot Linux from the CD.
66 During the boot process your hardware is detected and the appropriate drivers
67 are loaded. They are maintained by Gentoo developers.
68 </p>
69
70 <p>
71 All Installation CDs allow you to boot, set up networking, initialize your
72 partitions and start installing Gentoo from the Internet.
73 </p>
74
75 <!--
76 <impo>
77 If you wish to install Gentoo without a working Internet connection, please use
78 the installation instructions described in the <uri
79 link="2008.0/index.xml">Gentoo 2008.0 Handbooks</uri>.
80 </impo>
81
82 <p>
83 The two Installation CDs we currently provide are:
84 </p>
85
86 <ul>
87 <li>
88 The Gentoo Minimal Installation CD, a small, no-nonsense, bootable CD which
89 sole purpose is to boot the system, prepare the networking and continue
90 with the Gentoo installation.
91 </li>
92 <li>
93 The Gentoo Universal Installation CD, a bootable CD with the same abilities
94 as the Minimal Installation CD. Additionally, it contains several stage3
95 tarballs (optimized for the individual subarchitectures).
96 </li>
97 </ul>
98
99 <p>
100 To help you decide which Installation CD you need, we have written down the
101 major advantages and disadvantages of each Installation CD.
102 </p>
103 -->
104
105 </body>
106 </subsection>
107 <subsection>
108 <title>Gentoo Minimal Installation CD</title>
109 <body>
110
111 <p>
112 The Minimal Installation CD is called <c><keyval id="min-cd-name"/></c> and
113 takes up around <keyval id="min-cd-size"/> MB of diskspace. You can use this
114 Installation CD to install Gentoo, but <e>only</e> with a working Internet
115 connection.
116 </p>
117 <!--
118 <table>
119 <tr>
120 <th>Minimal Installation CD</th>
121 <th>Pros and Cons</th>
122 </tr>
123 <tr>
124 <th>+</th>
125 <ti>Smallest download</ti>
126 </tr>
127 <tr>
128 <th>-</th>
129 <ti>
130 Contains no stage3 tarball, no Portage snapshot, no prebuilt packages and is
131 therefore not suitable for networkless installation
132 </ti>
133 </tr>
134 </table>
135
136 </body>
137 </subsection>
138 <subsection>
139 <title>Gentoo's Universal Installation CD</title>
140 <body>
141
142 <p>
143 The Universal Installation CD is called <c>install-alpha-universal-2008.0.iso</c>
144 and consumes about 316 MB on a CD. You can use this Installation CD to install
145 Gentoo, and you can even use it to install Gentoo without a working internet
146 connection.
147 </p>
148
149 <table>
150 <tr>
151 <th>Universal Installation CD</th>
152 <th>Pros and Cons</th>
153 </tr>
154 <tr>
155 <ti>+</ti>
156 <ti>
157 Contains everything you need. You can even install without a network
158 connection.
159 </ti>
160 </tr>
161 <tr>
162 <ti>-</ti>
163 <ti>
164 Huge download
165 </ti>
166 </tr>
167 </table>
168
169 </body>
170 </subsection>
171
172 <subsection>
173 <title>Other CDs</title>
174 <body>
175
176 <p>
177 You might find a Package CD on one of our mirrors. This CD is not an
178 Installation CD but an additional resource that can be exploited during a
179 networkless installation. It contains prebuilt packages (also known as the GRP
180 set) that allow you to easily and quickly install additional applications
181 (such as LibreOffice.org, KDE, GNOME, ...) immediately after the networkless
182 Gentoo installation.
183 </p>
184
185 <p>
186 If you intend to use the Packages CD to quickly install additional software,
187 make sure that you use the same subarchitecture as the stage3 tarball you use.
188 </p>
189 -->
190 </body>
191 </subsection>
192 <subsection>
193 <title>The Stage3 Tarball</title>
194 <body>
195
196 <p>
197 A stage3 tarball is an archive containing a minimal Gentoo environment, suitable
198 to continue the Gentoo installation using the instructions in this manual.
199 Previously, the Gentoo Handbook described the installation using one of three
200 stage tarballs. While Gentoo still offers stage1 and stage2 tarballs, the
201 official installation method uses the stage3 tarball. If you are interested in
202 performing a Gentoo installation using a stage1 or stage2 tarball, please read
203 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
204 do I Install Gentoo Using a Stage1 or Stage2 Tarball?</uri>
205 </p>
206
207 <p>
208 Stage3 tarballs can be downloaded from <path><keyval
209 id="release-dir"/>current-stage3/</path> on any of the <uri
210 link="/main/en/mirrors.xml">Official Gentoo Mirrors</uri> and are not provided
211 on the LiveCD.
212 </p>
213
214 </body>
215 </subsection>
216 </section>
217 <!-- STOP -->
218 <section>
219 <title>Download, Burn and Boot a Gentoo Installation CD</title>
220 <subsection>
221 <title>Downloading and Burning the Installation CDs</title>
222 <body>
223
224 <p>
225 You have chosen to use a Gentoo Installation CD. We'll first start by
226 downloading and burning the chosen Installation CD. We previously discussed
227 the several available Installation CDs, but where can you find them?
228 </p>
229
230 <p>
231 You can download any of the Installation CDs from one of our <uri
232 link="/main/en/mirrors.xml">mirrors</uri>. The Installation CDs are located in
233 the <path><keyval id="release-dir"/>current-iso/</path> directory.
234 </p>
235
236 <p>
237 Inside that directory you'll find ISO files. Those are full CD images which you
238 can write on a CD-R.
239 </p>
240
241 <p>
242 In case you wonder if your downloaded file is corrupted or not, you can check
243 its SHA-2 checksum and compare it with the SHA-2 checksum we provide (such as
244 <path><keyval id="min-cd-name"/>.DIGESTS</path>). You can check the SHA-2 checksum
245 with the <c>sha512sum</c> tool under Linux/Unix or <uri
246 link="http://www.sinf.gr/en/hashcalc.html">Checksums calculator</uri> for Windows.
247 </p>
248
249 <note>
250 The tool will attempt to verify the checksums in the list, even if the checksum
251 is made with a different algorithm. Therefore, the output of the command might
252 give both success (for SHA checksums) and failures (for other checksums). At
253 least one OK needs to be provided for each file.
254 </note>
255
256 <pre caption="Verifying the SHA-2 checksum">
257 $ <i>sha512sum -c &lt;downloaded iso.DIGESTS&gt;</i>
258 </pre>
259
260 <note>
261 If you get the message that no properly formatted SHA checksum was found, take a
262 look at the DIGESTS file yourself to see what the supported checksums are.
263 </note>
264
265 <p>
266 Another way to check the validity of the downloaded file is to use GnuPG to
267 verify the cryptographic signature that we provide (the file ending with
268 <path>.asc</path>). Download the signature file and obtain the public keys whose
269 key ids can be found on the <uri link="/proj/en/releng/index.xml">release
270 engineering project site</uri>.
271 </p>
272
273 <pre caption="Obtaining the public key">
274 <comment>(... Substitute the key ids with those mentioned on the release engineering site ...)</comment>
275 $ <i>gpg --keyserver subkeys.pgp.net --recv-keys 96D8BF6D 2D182910 17072058</i>
276 </pre>
277
278 <p>
279 Now verify the signature:
280 </p>
281
282 <pre caption="Verify the files">
283 $ <i>gpg --verify &lt;downloaded iso.DIGESTS.asc&gt;</i>
284 $ <i>sha512sum -c &lt;downloaded iso.DIGESTS.asc&gt;</i>
285 </pre>
286
287 <p>
288 To burn the downloaded ISO(s), you have to select raw-burning. How you
289 do this is highly program-dependent. We will discuss <c>cdrecord</c> and
290 <c>K3B</c> here; more information can be found in our <uri
291 link="https://wiki.gentoo.org/wiki/FAQ#How_do_I_burn_an_ISO_file.3F">Gentoo FAQ</uri>.
292 </p>
293
294 <ul>
295 <li>
296 With cdrecord, you simply type <c>cdrecord dev=/dev/sr0 &lt;downloaded iso
297 file&gt;</c> (replace <path>/dev/sr0</path> with your CD-RW drive's
298 device path).
299 </li>
300 <li>
301 With K3B, select <c>Tools</c> &gt; <c>Burn CD Image</c>. Then you can locate
302 your ISO file within the 'Image to Burn' area. Finally click <c>Start</c>.
303 </li>
304 </ul>
305
306 </body>
307 </subsection>
308 <subsection>
309 <title>Booting the Installation CD</title>
310 <body>
311
312 <p>
313 When your Alpha is powered on, the first thing that gets started is the
314 firmware. It is loosely synonymous with the BIOS software on PC systems. There
315 are two types of firmware on Alpha systems: SRM (<e>Systems Reference
316 Manual</e>) and ARC (<e>Advanced Risc Console</e>).
317 </p>
318
319 <p>
320 SRM is based on the Alpha Console Subsystem specification, which provides an
321 operating environment for OpenVMS, Tru64 UNIX, and Linux operating systems. ARC
322 is based on the Advanced RISC Computing (ARC) specification, which provides
323 an operating environment for Windows NT. You can find a
324 <uri link="http://www.alphalinux.org/faq/SRM-HOWTO/">detailed guide</uri> on
325 using SRM over at the Alpha Linux website.
326 </p>
327
328 <p>
329 If your Alpha system supports both SRM and ARCs (ARC, AlphaBIOS, ARCSBIOS) you
330 should follow <uri link="http://www.alphalinux.org/faq/x31.html">these
331 instructions</uri> for switching to SRM. If your system already uses SRM, you
332 are all set. If your system can only use ARCs (Ruffian, nautilus, xl, etc.) you
333 will need to choose <c>MILO</c> later on when we are talking about bootloaders.
334 </p>
335
336 <p>
337 Now to boot an Alpha Installation CD, put the CD-ROM in the tray and reboot the
338 system. You can use SRM to boot the Installation CD. If you cannot do that, you
339 will have to use <c>MILO</c>.
340 </p>
341
342 <pre caption="Booting a CD-ROM using SRM">
343 <comment>(List available hardware drives)</comment>
344 &gt;&gt;&gt; <i>show device</i>
345 dkb0.0.1.4.0 DKB0 TOSHIBA CDROM
346 <comment>(...)</comment>
347 <comment>(Substitute dkb0 with your CD-ROM drive device)</comment>
348 &gt;&gt;&gt; <i>boot dkb0 -flags 0</i>
349 <comment>(This flag will use serial port ttyS0 as the default console)</comment>
350 &gt;&gt;&gt; <i>boot dkb0 -flags 2</i>
351 </pre>
352
353 <pre caption="Booting a CD-ROM using MILO">
354 <comment>(Substitute sdb with your CD-ROM drive device)</comment>
355 MILO&gt; <i>boot sdb:/boot/gentoo initrd=/boot/gentoo.igz root=/dev/ram0 init=/linuxrc looptype=squashfs loop=/image.squashfs cdroot</i>
356 <comment>(Using serial port ttyS0 as the default console)</comment>
357 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>
358 </pre>
359
360 <p>
361 You should have a root ("#") prompt on the current console and can also switch
362 to other consoles by pressing Alt-F2, Alt-F3 and Alt-F4. Get back to the one you
363 started on by pressing Alt-F1.
364 </p>
365
366 <p>
367 Now continue with <uri link="#hardware">Extra Hardware Configuration</uri>.
368 </p>
369
370 </body>
371 </subsection>
372
373 <subsection>
374 <include href="hb-install-bootconfig.xml"/>
375 </subsection>
376
377 </section>
378 </sections>

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