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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/1.0 --> 5<!-- See http://creativecommons.org/licenses/by-sa/1.0 -->
6 6
7<!-- $Header: /var/cvsroot/gentoo/xml/htdocs/doc/en/handbook/hb-install-ppc64-medium.xml,v 1.24 2005/10/09 16:33:54 swift Exp $ --> 7<!-- $Header: /var/cvsroot/gentoo/xml/htdocs/doc/en/handbook/hb-install-ppc64-medium.xml,v 1.25 2005/11/11 17:27:15 swift Exp $ -->
8 8
9<sections> 9<sections>
10 10
11<version>2.7</version> 11<version>2.8</version>
12<date>2005-10-09</date> 12<date>2005-11-11</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>
61</body> 61</body>
62</subsection> 62</subsection>
63</section> 63</section>
64<!-- Copy/paste from hb-install-x86-medium.xml, with s/x86/ppc64/ --> 64<!-- Copy/paste from hb-install-x86-medium.xml, with s/x86/ppc64/ -->
65<!-- START --> 65<!-- START -->
66<section>
67<title>The Gentoo Installation Approaches</title>
68<subsection>
69<title>Introduction</title>
70<body>
71
72<p>
73Gentoo Linux can be installed using one of three <e>stage</e> tarball files.
74A stage file is a tarball (compressed archive) that contains a minimal
75environment.
76</p>
77
78<ul>
79 <li>
80 A stage1 file contains nothing more than a compiler, Portage (Gentoo's
81 software management system) and a couple of packages on which the compiler
82 or Portage depends.
83 </li>
84 <li>
85 A stage2 file contains a so-called bootstrapped system, a minimal
86 environment from which one can start building all other necessary
87 applications that make a Gentoo environment complete.
88 </li>
89 <li>
90 A stage3 file contains a prebuilt minimal system which is almost fully
91 deployable. It only lacks a few applications where you, the Gentoo user,
92 needs to choose which one you want to install.
93 </li>
94</ul>
95
96<p>
97To help you decide what stage file you want to use, we have written down the
98major advantages and disadvantages of each stage file.
99</p>
100
101</body>
102</subsection>
103<subsection>
104<title>A Stage1 Approach</title>
105<body>
106
107<p>
108A <e>stage1</e> is used when you want to bootstrap and build the entire system
109from scratch.
110</p>
111
112<p>
113This approach builds core system packages that are vital to your system and is
114used by Gentoo developers to prepare the Gentoo release media. It is a great
115installation method for those who would like to learn more about the inner
116workings of bootstrapping, toolchains and the like.
117</p>
118
119<p>
120However, if you do not plan to tweak the bootstrapping instructions in the
121<path>bootstrap.sh</path> script written by the Gentoo developers, then a
122stage1 approach has no benefits for you.
123</p>
124
125<table>
126<tr>
127 <th>Stage1</th>
128 <th>Pros and Cons</th>
129</tr>
130<tr>
131 <th>+</th>
132 <ti>
133 Allows you to have total control over the installation routine, bootstrap
134 sequence, etc.
135 </ti>
136</tr>
137<tr>
138 <th>+</th>
139 <ti>Suitable for powerusers and developers who know what they are doing</ti>
140</tr>
141<tr>
142 <th>-</th>
143 <ti>
144 Takes a long time to finish the installation (it is the lengthiest approach)
145 </ti>
146</tr>
147<tr>
148 <th>-</th>
149 <ti>
150 If you don't intend to tweak the settings, it is a waste of time
151 </ti>
152</tr>
153<tr>
154 <th>-</th>
155 <ti>
156 Requires a working Internet connection during the installation
157 </ti>
158</tr>
159</table>
160
161</body>
162</subsection>
163<subsection>
164<title>A Stage2 Approach</title>
165<body>
166
167<p>
168A <e>stage2</e> is used for building the entire system from a bootstrapped
169"semi-compiled" state.
170</p>
171
172<p>
173When you perform a stage2 installation approach, you will build all system
174packages (core packages, including toolchain) using your specific <c>USE</c>,
175<c>CFLAGS</c> and <c>CXXFLAGS</c> settings. Any package build will therefore be
176optimized to your preference.
177</p>
178
179<p>
180However, this installation takes some time and if you do not intend to change
181the <c>CFLAGS</c> and <c>CXXFLAGS</c> settings that we have defined as a "good
182default", using this approach only makes sense if your <c>USE</c> variable is
183sufficiently different from the default <c>USE</c> we provide.
184</p>
185
186<table>
187<tr>
188 <th>Stage2</th>
189 <th>Pros and Cons</th>
190</tr>
191<tr>
192 <th>+</th>
193 <ti>You don't need to bootstrap</ti>
194</tr>
195<tr>
196 <th>+</th>
197 <ti>Faster than starting with stage1</ti>
198</tr>
199<tr>
200 <th>+</th>
201 <ti>You can still tweak your settings</ti>
202</tr>
203<tr>
204 <th>-</th>
205 <ti>It's still not the fastest way to install Gentoo</ti>
206</tr>
207<tr>
208 <th>-</th>
209 <ti>
210 Requires a working Internet connection during the installation
211 </ti>
212</tr>
213</table>
214
215</body>
216</subsection>
217<subsection>
218<title>A Stage3 Approach</title>
219<body>
220
221<p>
222A <e>stage3</e> installation contains a basic Gentoo Linux system that has been
223built for you. You will only need to build a few packages (such as system
224logger, networking tools, ...) before you can boot into a base Gentoo
225installation.
226</p>
227
228<p>
229Choosing to go with a stage3 allows for the fastest install of Gentoo
230Linux, but also means that your base system will have the optimization
231settings that we chose for you (which to be honest, are good settings
232and were carefully chosen to enhance performance while maintaining
233stability). Stage3 is also required if you want to install Gentoo using
234prebuilt packages or without a network connection.
235</p>
236
237<table>
238<tr>
239 <th>Stage3</th>
240 <th>Pros and Cons</th>
241</tr>
242<tr>
243 <th>+</th>
244 <ti>Fastest way to get a Gentoo base system</ti>
245</tr>
246<tr>
247 <th>+</th>
248 <ti>
249 You can still tweak your system
250 </ti>
251</tr>
252</table>
253
254<p>
255You might be interested to know that, if you decide to use different
256optimization settings after having installed Gentoo, you will be able to
257recompile your entire system with the new optimization settings. The same goes
258for any <c>USE</c> flag changes: Portage is intelligent enough to know what
259packages need to be rebuild.
260</p>
261
262</body>
263</subsection>
264</section>
265
266<section> 66<section>
267<title>The Gentoo Installation CDs</title> 67<title>The Gentoo Installation CDs</title>
268<subsection> 68<subsection>
269<title>Introduction</title> 69<title>Introduction</title>
270<body> 70<body>
319<tr> 119<tr>
320 <th>+</th> 120 <th>+</th>
321 <ti>Smallest download</ti> 121 <ti>Smallest download</ti>
322</tr> 122</tr>
323<tr> 123<tr>
324 <th>+</th>
325 <ti>
326 You can do a stage1, stage2 or stage3 by getting the stage tarball off the
327 net
328 </ti>
329</tr>
330<tr>
331 <th>-</th> 124 <th>-</th>
332 <ti> 125 <ti>
333 Contains no stages, no Portage snapshot, no prebuilt packages and is 126 Contains no stage3 tarball, no Portage snapshot, no prebuilt packages and is
334 therefore not suitable for networkless installation 127 therefore not suitable for networkless installation
335 </ti> 128 </ti>
336</tr> 129</tr>
337</table> 130</table>
131
132</body>
133</subsection>
134<subsection>
135<title>The Stage3 Tarball</title>
136<body>
137
138<p>
139A stage3 tarball is an archive containing a minimal Gentoo environment, suitable
140to continue the Gentoo installation using the instructions in this manual.
141Previously, the Gentoo Handbook described the installation using one of three
142stage tarballs. While Gentoo still offers stage1 and stage2 tarballs, the
143official installation method uses the stage3 tarball. If you are interested in
144performing a Gentoo installation using a stage1 or stage2 tarball, please read
145the Gentoo FAQ on <uri link="/doc/en/faq.xml#stage12">How do I Install Gentoo
146Using a Stage1 or Stage2 Tarball?</uri>
147</p>
338 148
339</body> 149</body>
340</subsection> 150</subsection>
341</section> 151</section>
342<!-- STOP --> 152<!-- STOP -->

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