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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-alpha-medium.xml,v 1.57 2012/02/26 09:49:46 swift Exp $ --> 7<!-- $Header: /var/cvsroot/gentoo/xml/htdocs/doc/en/handbook/hb-install-alpha-medium.xml,v 1.66 2014/04/12 12:25:48 swift Exp $ -->
8 8
9<sections> 9<sections>
10 10
11<version>15</version> 11<version>23</version>
12<date>2012-02-26</date> 12<date>2014-04-12</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>
55</section> 55</section>
56 56
57<section> 57<section>
58<title>The Gentoo Installation CD</title> 58<title>The Gentoo Installation CD</title>
59<subsection> 59<subsection>
60<title>Introduction</title> 60<title>Gentoo Minimal Installation CD</title>
61<body> 61<body>
62 62
63<p> 63<p>
64The <e>Gentoo Installation CDs</e> are bootable CDs which contain a 64The <e>Minimal Installation CD</e> is a bootable CD which contains a
65self-sustained Gentoo environment. They allow you to boot Linux from the CD. 65self-sustained Gentoo environment. It allows you to boot Linux from the CD.
66During the boot process your hardware is detected and the appropriate drivers 66During the boot process your hardware is detected and the appropriate drivers
67are loaded. They are maintained by Gentoo developers. 67are loaded. The CD is maintained by Gentoo developers and allows you to install
68</p> 68Gentoo with an active Internet connection.
69
70<p> 69</p>
71All Installation CDs allow you to boot, set up networking, initialize your
72partitions and start installing Gentoo from the Internet.
73</p>
74
75<!--
76<impo>
77If you wish to install Gentoo without a working Internet connection, please use
78the installation instructions described in the <uri
79link="2008.0/index.xml">Gentoo 2008.0 Handbooks</uri>.
80</impo>
81
82<p>
83The 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>
100To help you decide which Installation CD you need, we have written down the
101major 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 70
111<p> 71<p>
112The Minimal Installation CD is called <c><keyval id="min-cd-name"/></c> and 72The Minimal Installation CD is called <c><keyval id="min-cd-name"/></c> and
113takes up around <keyval id="min-cd-size"/> MB of diskspace. You can use this 73takes up around <keyval id="min-cd-size"/> MB of diskspace.
114Installation CD to install Gentoo, but <e>only</e> with a working Internet
115connection.
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> 74</p>
143The Universal Installation CD is called <c>install-alpha-universal-2008.0.iso</c>
144and consumes about 316 MB on a CD. You can use this Installation CD to install
145Gentoo, and you can even use it to install Gentoo without a working internet
146connection.
147</p>
148 75
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>
177You might find a Package CD on one of our mirrors. This CD is not an
178Installation CD but an additional resource that can be exploited during a
179networkless installation. It contains prebuilt packages (also known as the GRP
180set) that allow you to easily and quickly install additional applications
181(such as OpenOffice.org, KDE, GNOME, ...) immediately after the networkless
182Gentoo installation.
183</p>
184
185<p>
186If you intend to use the Packages CD to quickly install additional software,
187make sure that you use the same subarchitecture as the stage3 tarball you use.
188</p>
189-->
190</body> 76</body>
191</subsection> 77</subsection>
192<subsection> 78<subsection>
193<title>The Stage3 Tarball</title> 79<title>The Stage3 Tarball</title>
194<body> 80<body>
198to continue the Gentoo installation using the instructions in this manual. 84to continue the Gentoo installation using the instructions in this manual.
199Previously, the Gentoo Handbook described the installation using one of three 85Previously, the Gentoo Handbook described the installation using one of three
200stage tarballs. While Gentoo still offers stage1 and stage2 tarballs, the 86stage tarballs. While Gentoo still offers stage1 and stage2 tarballs, the
201official installation method uses the stage3 tarball. If you are interested in 87official installation method uses the stage3 tarball. If you are interested in
202performing a Gentoo installation using a stage1 or stage2 tarball, please read 88performing a Gentoo installation using a stage1 or stage2 tarball, please read
203the Gentoo FAQ on <uri link="/doc/en/faq.xml#stage12">How do I Install Gentoo 89the Gentoo FAQ on <uri link="https://wiki.gentoo.org/wiki/FAQ/#How_do_I_Install_Gentoo_Using_a_Stage1_or_Stage2_Tarball.3F">How
204Using a Stage1 or Stage2 Tarball?</uri> 90do I Install Gentoo Using a Stage1 or Stage2 Tarball?</uri>
205</p> 91</p>
206 92
207<p> 93<p>
208Stage3 tarballs can be downloaded from <path><keyval 94Stage3 tarballs can be downloaded from <path><keyval
209id="release-dir"/>current-stage3/</path> on any of the <uri 95id="release-dir"/>current-stage3/</path> on any of the <uri
216</section> 102</section>
217<!-- STOP --> 103<!-- STOP -->
218<section> 104<section>
219<title>Download, Burn and Boot a Gentoo Installation CD</title> 105<title>Download, Burn and Boot a Gentoo Installation CD</title>
220<subsection> 106<subsection>
221<title>Downloading and Burning the Installation CDs</title> 107<title>Downloading and Burning the Installation CD</title>
222<body> 108<body>
223 109
224<p> 110<p>
225You have chosen to use a Gentoo Installation CD. We'll first start by 111You have chosen to use a Gentoo Installation CD. We'll first start by
226downloading and burning the chosen Installation CD. We previously discussed 112downloading and burning the chosen Installation CD. We previously discussed
227the several available Installation CDs, but where can you find them? 113the Installation CD, but where can you find it?
228</p>
229
230<p> 114</p>
115
116<p>
231You can download any of the Installation CDs from one of our <uri 117You can download the Installation CD from one of our <uri
232link="/main/en/mirrors.xml">mirrors</uri>. The Installation CDs are located in 118link="/main/en/mirrors.xml">mirrors</uri>. The Installation CD is located in
233the <path><keyval id="release-dir"/>current-iso/</path> directory. 119the <path><keyval id="release-dir"/>current-iso/</path> directory.
234</p> 120</p>
235 121
236<p> 122<p>
237Inside that directory you'll find ISO files. Those are full CD images which you 123Inside that directory you'll find the ISO file. This is a full CD image which you
238can write on a CD-R. 124can write on a CD-R.
239</p> 125</p>
240 126
241<p> 127<p>
242In case you wonder if your downloaded file is corrupted or not, you can check 128In case you wonder if your downloaded file is corrupted or not, you can check
243its MD5 checksum and compare it with the MD5 checksum we provide (such as 129its 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 MD5 checksum 130<path><keyval id="min-cd-name"/>.DIGESTS</path>). You can check the SHA-2 checksum
245with the <c>md5sum</c> tool under Linux/Unix or <uri 131with the <c>sha512sum</c> tool under Linux/Unix or <uri
246link="http://www.etree.org/md5com.html">md5sum</uri> for Windows. 132link="http://www.sinf.gr/en/hashcalc.html">Checksums calculator</uri> for Windows.
133</p>
134
135<note>
136The tool will attempt to verify the checksums in the list, even if the checksum
137is made with a different algorithm. Therefore, the output of the command might
138give both success (for SHA checksums) and failures (for other checksums). At
139least 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>
247</p> 144</pre>
145
146<note>
147If you get the message that no properly formatted SHA checksum was found, take a
148look at the DIGESTS file yourself to see what the supported checksums are.
149</note>
248 150
249<p> 151<p>
250Another way to check the validity of the downloaded file is to use GnuPG to 152Another way to check the validity of the downloaded file is to use GnuPG to
251verify the cryptographic signature that we provide (the file ending with 153verify the cryptographic signature that we provide (the file ending with
252<path>.asc</path>). Download the signature file and obtain the public keys: 154<path>.asc</path>). Download the signature file and obtain the public keys whose
155key ids can be found on the <uri link="/proj/en/releng/index.xml">release
156engineering project site</uri>.
253</p> 157</p>
254 158
255<pre caption="Obtaining the public key"> 159<pre caption="Obtaining the public key">
160<comment>(... Substitute the key ids with those mentioned on the release engineering site ...)</comment>
256$ <i>gpg --keyserver subkeys.pgp.net --recv-keys 96D8BF6D 2D182910 17072058</i> 161$ <i>gpg --keyserver subkeys.pgp.net --recv-keys 96D8BF6D 2D182910 17072058</i>
257</pre> 162</pre>
258 163
259<p> 164<p>
260Now verify the signature: 165Now verify the signature:
261</p> 166</p>
262 167
263<pre caption="Verify the files"> 168<pre caption="Verify the files">
264<comment>(Verify the cryptographic signature)</comment>
265$ <i>gpg --verify &lt;downloaded iso.DIGESTS.asc&gt;</i> 169$ <i>gpg --verify &lt;downloaded iso.DIGESTS.asc&gt;</i>
266<comment>(Verify the checksum)</comment>
267$ <i>sha1sum -c &lt;downloaded iso.DIGESTS.asc&gt;</i> 170$ <i>sha512sum -c &lt;downloaded iso.DIGESTS.asc&gt;</i>
268</pre> 171</pre>
269 172
270<p> 173<p>
271To burn the downloaded ISO(s), you have to select raw-burning. How you 174To burn the downloaded ISO(s), you have to select raw-burning. How you
272do this is highly program-dependent. We will discuss <c>cdrecord</c> and 175do this is highly program-dependent. We will discuss <c>cdrecord</c> and
273<c>K3B</c> here; more information can be found in our <uri 176<c>K3B</c> here; more information can be found in our <uri
274link="/doc/en/faq.xml#isoburning">Gentoo FAQ</uri>. 177link="https://wiki.gentoo.org/wiki/FAQ#How_do_I_burn_an_ISO_file.3F">Gentoo FAQ</uri>.
275</p> 178</p>
276 179
277<ul> 180<ul>
278 <li> 181 <li>
279 With cdrecord, you simply type <c>cdrecord dev=/dev/hdc &lt;downloaded iso 182 With cdrecord, you simply type <c>cdrecord dev=/dev/sr0 &lt;downloaded iso
280 file&gt;</c> (replace <path>/dev/hdc</path> with your CD-RW drive's 183 file&gt;</c> (replace <path>/dev/sr0</path> with your CD-RW drive's
281 device path). 184 device path).
282 </li> 185 </li>
283 <li> 186 <li>
284 With K3B, select <c>Tools</c> &gt; <c>Burn CD Image</c>. Then you can locate 187 With K3B, select <c>Tools</c> &gt; <c>Burn CD Image</c>. Then you can locate
285 your ISO file within the 'Image to Burn' area. Finally click <c>Start</c>. 188 your ISO file within the 'Image to Burn' area. Finally click <c>Start</c>.

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