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1<?xml version="1.0" encoding="UTF-8"?> 1<?xml version="1.0" encoding="UTF-8"?>
2<!-- $Header: /var/cvsroot/gentoo/xml/htdocs/doc/en/gentoo-kernel.xml,v 1.29 2005/05/12 20:40:22 neysx Exp $ --> 2<!-- $Header: /var/cvsroot/gentoo/xml/htdocs/doc/en/gentoo-kernel.xml,v 1.39 2006/01/31 01:15:42 flammie Exp $ -->
3 3
4<!DOCTYPE guide SYSTEM "/dtd/guide.dtd"> 4<!DOCTYPE guide SYSTEM "/dtd/guide.dtd">
5<guide link="/doc/en/gentoo-kernel.xml"> 5<guide link="/doc/en/gentoo-kernel.xml">
6<title>Gentoo Linux Kernel Guide</title> 6<title>Gentoo Linux Kernel Guide</title>
7<author title="Author"> 7<author title="Author">
23 <mail link="bennyc@gentoo.org">Benny Chuang</mail> 23 <mail link="bennyc@gentoo.org">Benny Chuang</mail>
24</author> 24</author>
25<author title="Editor"> 25<author title="Editor">
26 <mail link="greg_g@gentoo.org">Gregorio Guidi</mail> 26 <mail link="greg_g@gentoo.org">Gregorio Guidi</mail>
27</author> 27</author>
28<author title="Editor">
29 <mail link="fox2mike@gentoo.org">Shyam Mani</mail>
30</author>
28 31
29<abstract> 32<abstract>
30This document gives you an overview on all kernel sources that Gentoo 33This document gives you an overview on all kernel sources that Gentoo
31provides through Portage. 34provides through Portage.
32</abstract> 35</abstract>
33 36
37<!-- The content of this document is licensed under the CC-BY-SA license -->
38<!-- See http://creativecommons.org/licenses/by-sa/2.5 -->
34<license/> 39<license/>
35 40
36<version>1.6</version> 41<version>1.13</version>
37<date>2005-05-12</date> 42<date>2006-01-30</date>
38 43
39<chapter> 44<chapter>
40<title>Introduction</title> 45<title>Introduction</title>
41<section> 46<section>
42<body> 47<body>
101patches included in this kernel are similar to those included in its 2.6 106patches included in this kernel are similar to those included in its 2.6
102counterpart, plus a number of patches designed to add functionality and 107counterpart, plus a number of patches designed to add functionality and
103improve performance. Linux 2.4 is currently not being developed further - only 108improve performance. Linux 2.4 is currently not being developed further - only
104bug and security fixes are being included in the newer releases. If you are 109bug and security fixes are being included in the newer releases. If you are
105able to, we suggest that you upgrade to Linux 2.6. You may find the 110able to, we suggest that you upgrade to Linux 2.6. You may find the
106<uri link="http://www.gentoo.org/doc/en/migration-to-2.6.xml">migration 111<uri link="/doc/en/migration-to-2.6.xml">migration document</uri> useful.
107document</uri> useful.
108</p> 112</p>
109 113
110<p> 114<p>
111The <c>gentoo-sources</c> package absorbs most of the resources of the Gentoo 115The <c>gentoo-sources</c> package absorbs most of the resources of the Gentoo
112kernel team. They are brought to you by a group of talented developers, which 116kernel team. They are brought to you by a group of talented developers, which
152 156
153</body> 157</body>
154</section> 158</section>
155 159
156<section> 160<section>
157<title>For servers: hardened-sources, hardened-dev-sources and 161<title>For servers: hardened-sources and rsbac-sources</title>
158rsbac-sources</title>
159<body> 162<body>
160 163
161<p>
162<c>hardened-sources</c> is based on Linux 2.4 and is targetted at our users
163running Gentoo on server systems. It provides patches for the various
164subprojects of Gentoo Hardened (such as support for LSM/SELinux and
165GRSecurity), together with stability/security-enhancements. Check
166<uri>http://www.gentoo.org/proj/en/hardened/</uri> for more information.
167</p> 164<p>
168 165<c>hardened-sources</c> is based on the official Linux kernel and is targeted
169<p> 166at our users running Gentoo on server systems. It provides patches for the
170<c>hardened-dev-sources</c> serves the same purpose as <c>hardened-sources</c> 167various subprojects of Gentoo Hardened (such as support for
171but is based on the newer Linux 2.6 kernel base. 168<uri link="http://www.nsa.gov/selinux/">LSM/SELinux</uri> and
169<uri link="http://grsecurity.net">grsecurity</uri>), together with
170stability/security-enhancements. Like <c>gentoo-sources</c> it comes in 2.6
171and 2.4 versions. Check <uri>http://www.gentoo.org/proj/en/hardened/</uri> for
172more information.
172</p> 173</p>
173 174
174<p> 175<p>
175<c>rsbac-sources</c> contains patches to use Rule Set Based Access Controls 176<c>rsbac-sources</c> contains patches to use Rule Set Based Access Controls
176(RSBAC) and comes in 2.4 and 2.6 flavours. It is maintained by the 177(<uri link="http://www.rsbac.org">RSBAC</uri>) and comes in 2.4 and 2.6
177<uri link="/proj/en/hardened/rsbac/">RSBAC project</uri>, a subproject of 178flavours. It is maintained by the <uri link="/proj/en/hardened/rsbac/">RSBAC
178Gentoo Hardened. 179project</uri>, a sub-project of Gentoo Hardened.
179</p> 180</p>
180 181
181<impo> 182<impo>
182These kernels provide powerful patches for enhanced security. Please read the 183These kernels provide powerful patches for enhanced security. Please read the
183<uri link="/proj/en/hardened/">documentation</uri> before you use them. 184<uri link="/proj/en/hardened/">documentation</uri> before you use them.
188<section> 189<section>
189<title>Architecture dependent kernels</title> 190<title>Architecture dependent kernels</title>
190<body> 191<body>
191 192
192<p> 193<p>
193<c>alpha-sources</c>, <c>hppa-sources</c>, <c>hppa-dev-sources</c>, 194<c>alpha-sources</c>, <c>hppa-sources</c>,<c>mips-sources</c>, <c>sh-sources</c>
194<c>mips-sources</c>, <c>pegasos-dev-sources</c>, <c>sparc-sources</c>
195and <c>xbox-sources</c> are, as their names suggest, 195<c>sparc-sources</c> and <c>xbox-sources</c> are, as their names suggest,
196patched to run best on specific architectures. They also contain some of 196patched to run best on specific architectures. They also contain some of the
197the patches for hardware and features support from the other patch sets 197patches for hardware and features support from the other patch sets mentioned
198mentioned above and below. A "-dev-" in the name of a kernel package means that 198above and below.
199the sources use the 2.6 kernel instead of the 2.4 kernel.
200</p> 199</p>
201 200
202</body> 201</body>
203</section> 202</section>
204</chapter> 203</chapter>
233</p> 232</p>
234 233
235</body> 234</body>
236</section> 235</section>
237<section> 236<section>
238<title>grsec-sources</title> 237<title>git-sources</title>
239<body> 238<body>
240 239
241<p> 240<p>
242The <c>grsec-sources</c> kernel source is patched with the latest GRSecurity 241The <c>git-sources</c> package tracks daily snapshots of the upstream
243updates (GRSecurity version 2.0 and up) which includes, amongst other 242development kernel tree. You should run these kernels if you are interested in
244security-related patches, support for PaX. 243kernel development or testing. Bugreports should go to the <uri
244link="http://bugme.osdl.org/">Linux Kernel Bug Tracker</uri> or LKML (Linux
245Kernel Mailing List).
245</p> 246</p>
246 247
247</body> 248</body>
248</section> 249</section>
249<section> 250<section>
272<title>openmosix-sources</title> 273<title>openmosix-sources</title>
273<body> 274<body>
274 275
275<p> 276<p>
276The <c>openmosix-sources</c> are patched to support the openMosix system 277The <c>openmosix-sources</c> are patched to support the openMosix system
277(like MOSIX but Open Source). For more information see 278(a cluster oriented kernel patchset like MOSIX but Open Source). For more
279information see <uri>http://www.openmosix.org</uri>.
280</p>
281
282</body>
283</section>
284<section>
285<title>openvz-sources</title>
286<body>
287
288<p>
289OpenVZ is a server virtualization solution built on Linux. OpenVZ creates
290isolated, secure virtual private servers (VPSs) or virtual environments on a
291single physical server enabling better server utilization and ensuring that
292applications do not conflict. For more information, see
278<uri>http://www.openmosix.org</uri>. 293<uri>http://www.openvz.org</uri>.
294</p>
295
296</body>
297</section>
298<section>
299<title>suspend2-sources</title>
300<body>
301
302<p>
303The <c>suspend2-sources</c> are patched with both genpatches
304which includes the patches found in gentoo-sources, and <uri
305link="http://www.suspend2.net">Software Suspend 2</uri> which is a new
306and improved implementation of suspend-to-disk for the Linux kernel.
307</p>
308
309<p>
310This kernel is recommended for laptop users who often rely on being able
311to suspend their laptop and resume work elsewhere.
312</p>
313
314</body>
315</section>
316<section>
317<title>uclinux-sources</title>
318<body>
319
320<p>
321The <c>uclinux-sources</c> are meant for CPUs without MMUs as well as embedded
322devices. For more information, see <uri>http://www.uclinux.org</uri>.
279</p> 323</p>
280 324
281</body> 325</body>
282</section> 326</section>
283<section> 327<section>
297<uri link="/doc/en/uml.xml">Gentoo UML Guide</uri>. 341<uri link="/doc/en/uml.xml">Gentoo UML Guide</uri>.
298</p> 342</p>
299 343
300</body> 344</body>
301</section> 345</section>
302<section>
303<title>win4lin-sources</title>
304<body>
305
306<p>
307<c>win4lin-sources</c> are patched to support the userland win4lin tools
308that allow Linux users to run many Microsoft Windows (TM) applications
309at almost native speeds. See <uri>http://www.netraverse.com/</uri> for more
310information.
311</p>
312
313</body>
314</section>
315<section>
316<title>wolk-sources</title>
317<body>
318
319<p>
320<c>wolk-sources</c> contains the <e>Working Overloaded Linux Kernel</e> from
321<uri>http://sourceforge.net/projects/wolk</uri>. This kernel contains
322many patches of a wide variety, all combined into the kernel with
323extreme care. This allows you to configure nearly every one into and out
324of the kernel at compile time -- so the kernel will work with nearly any
325combination of the patches.
326</p>
327
328<p>
329If you need a certain combination of patches that you cannot find in other
330kernel sources, WOLK is definitely worth a shot.
331</p>
332
333</body>
334</section>
335</chapter> 346</chapter>
336 347
337<chapter> 348<chapter>
338<title>Previously provided kernel packages</title> 349<title>Previously provided kernel packages</title>
339<section> 350<section>
382</p> 393</p>
383 394
384</body> 395</body>
385</section> 396</section>
386<section> 397<section>
398<title>grsec-sources</title>
399<body>
400
401<p>
402The <c>grsec-sources</c> kernel source used to be patched with the latest
403grsecurity updates (grsecurity version 2.0 and up) which included, amongst
404other security-related patches, support for PaX. As grsecurity patches are
405included in <c>hardened-sources</c>, this package is no longer in Portage.
406</p>
407
408</body>
409</section>
410<section>
411<title>hardened-dev-sources</title>
412<body>
413
414<p>
415<c>hardened-dev-sources</c> can now be found under the <c>hardened-sources</c>
416package.
417</p>
418
419</body>
420</section>
421<section>
387<title>rsbac-dev-sources</title> 422<title>rsbac-dev-sources</title>
388<body> 423<body>
389 424
390<p> 425<p>
391The <c>rsbac-dev-sources</c> kernels can now be found under the 426The <c>rsbac-dev-sources</c> kernels can now be found under the
398<title>selinux-sources</title> 433<title>selinux-sources</title>
399<body> 434<body>
400 435
401<p> 436<p>
402<c>selinux-sources</c>, a 2.4 kernel including lots of security enhancements, 437<c>selinux-sources</c>, a 2.4 kernel including lots of security enhancements,
403has been obseleted by security development in the 2.6 tree. SELinux 438has been obsoleted by security development in the 2.6 tree. SELinux
404functionality can be found in the <c>hardened-sources</c> and 439functionality can be found in the <c>hardened-sources</c> package.
405<c>hardened-dev-sources</c> packages. 440</p>
441
442</body>
443</section>
444<section>
445<title>win4lin-sources</title>
446<body>
447
448<p>
449<c>win4lin-sources</c> were patched to support the userland win4lin tools
450that allow Linux users to run many Microsoft Windows (TM) applications
451at almost native speeds. This was removed due to security issues.
406</p> 452</p>
407 453
408</body> 454</body>
409</section> 455</section>
410</chapter> 456</chapter>
411
412</guide> 457</guide>

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