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Revision 1.77 - (show annotations) (download) (as text)
Mon Jun 14 20:22:17 2010 UTC (3 years, 10 months ago) by nightmorph
Branch: MAIN
Changes since 1.76: +48 -27 lines
File MIME type: application/xml
rewrite the altinstall guide to be more generic about non-Gentoo LiveCDs, also made it clearer that they are unsupported if something goes wrong with them. also included a tip from bug 323973 when extracting the stage tarball.

1 <?xml version='1.0' encoding="UTF-8"?>
2 <!-- $Header: /var/cvsroot/gentoo/xml/htdocs/doc/en/altinstall.xml,v 1.76 2008/09/10 23:04:29 nightmorph Exp $ -->
3 <!DOCTYPE guide SYSTEM "/dtd/guide.dtd">
4
5 <guide>
6
7 <title>The Gentoo Linux alternative installation method HOWTO</title>
8
9 <author title="Contributor">
10 <mail link="gerrynjr@gentoo.org">Gerald Normandin Jr.</mail>
11 </author>
12 <author title="Contributor">
13 <mail link="lordviram@rebelpacket.net">Travis Tilley</mail>
14 </author>
15 <author title="Contributor">
16 <mail link="volontir@yahoo.com">Oleg Raisky</mail>
17 </author>
18 <author title="Contributor">
19 <mail link="luminousit@hotmail.com">Alex Garbutt</mail>
20 </author>
21 <author title="Contributor">
22 <mail link="alex@openvs.com">Alexandre Georges</mail>
23 </author>
24 <author title="Contributor">
25 <mail link="vargen@b0d.org">Magnus Backanda</mail>
26 </author>
27 <author title="Contributor">
28 <mail link="davoid@gentoo.org">Faust A. Tanasescu</mail>
29 </author>
30 <author title="Contributor">
31 <mail link="aliz@gentoo.org">Daniel Ahlberg</mail>
32 </author>
33 <author title="Editor">
34 <mail link="swift@gentoo.org">Sven Vermeulen</mail>
35 </author>
36 <author title="Reviewer">
37 Ken Nowack <!-- antifa@gentoo.org seems out -->
38 </author>
39 <author title="Editor">
40 <mail link="blubber@gentoo.org">Tiemo Kieft</mail>
41 </author>
42 <author title="Editor">
43 <mail link="bennyc@gentoo.org">Benny Chuang</mail>
44 </author>
45 <author title="Editor">
46 <mail link="smithj@gentoo.org">Jonathan Smith</mail>
47 </author>
48 <author title="Editor">
49 <mail link="nightmorph"/>
50 </author>
51
52 <abstract>
53 This HOWTO is meant to be a repository of alternative Gentoo installation
54 methods, for those with special installation needs such as lack of a cdrom
55 or a computer that can't boot cds.
56 </abstract>
57
58 <!-- The content of this document is licensed under the CC-BY-SA license -->
59 <!-- See http://creativecommons.org/licenses/by-sa/2.5 -->
60 <license/>
61
62 <version>2</version>
63 <date>2010-06-14</date>
64
65 <chapter>
66 <title>About this document</title>
67 <section>
68 <body>
69
70 <p>
71 If the standard boot-from-CD install method doesn't work for you (or you just
72 don't like it), help is now here. This document serves to provide a repository
73 of alternative Gentoo Linux installation techniques to those who need them.
74 Or, if you prefer, it serves as a place to put your wacky installation methods.
75 If you have an installation method that you yourself find useful, or you have
76 devised an amusing way of installing Gentoo, please don't hesitate to write
77 something up and post it on <uri link="http://bugs.gentoo.org">Bugzilla</uri>.
78 </p>
79
80 </body>
81 </section>
82 </chapter>
83
84 <chapter>
85 <title>Booting the Install CD with Smart BootManager</title>
86 <section>
87 <body>
88
89 <p>
90 Download Smart BootManager available from
91 <uri>http://btmgr.sourceforge.net/download.html</uri>.
92 Linux source or binary format and windows .exe versions are available as well
93 as many language packs. However, at this time, the preferred method would be to
94 use the binary format, as the source will not compile with newer versions of
95 NASM.
96 </p>
97
98 <p>
99 Either compile the package from source or just grab the binary. There are
100 several options that can be utilized while creating your boot floppy, as seen
101 below.
102 </p>
103
104 <pre caption="Smart BootManager Options">
105 sbminst [-t theme] [-d drv] [-b backup_file] [-u backup_file]
106
107 -t theme select the theme to be used, in which the theme could be:
108 us = English theme de = German theme
109 hu = Hungarian theme zh = Chinese theme
110 ru = Russian theme cz = Czech theme
111 es = Spanish theme fr = French theme
112 pt = Portuguese theme
113
114
115 -d drv set the drive that you want to install Smart BootManager on;
116 for Linux:
117 /dev/fd0 is the first floppy driver,
118 /dev/hda is the first IDE harddisk driver.
119 /dev/sda is the first SCSI harddisk driver.
120 for DOS:
121 0 is the first floppy drive
122 128 is the first hard drive;
123
124 -c disable CD-ROM booting feature;
125
126 -b backup_file backup the data that will be overwritten for
127 future uninstallation;
128
129 -u backup_file uninstall Smart BootManager, should be used alone;
130
131 -y do not ask any question or warning.
132 </pre>
133
134 <pre caption="Using sbminst to build the boot floppy">
135 # <i>sbminst -t us -d /dev/fd0</i>
136 </pre>
137
138 <note>
139 Replace <path>fd0</path> with your respective floppy device name if yours is
140 different.
141 </note>
142
143 <p>
144 Now simply place the floppy in the floppy drive of the computer you'd like to
145 boot the Install CD on, as well as placing the Install CD in the CD-ROM and boot
146 the computer.
147 </p>
148
149 <p>
150 You'll be greeted with the Smart BootManager dialog. Select your CD-ROM and
151 press ENTER to boot the Install CD. Once booted proceed with the standard
152 installation instructions.
153 </p>
154
155 <p>
156 Further information on Smart BootManager may be found at
157 <uri>http://btmgr.sourceforge.net/</uri>
158 </p>
159
160 </body>
161 </section>
162 </chapter>
163
164 <chapter>
165 <title>Installation from non-Gentoo LiveCDs</title>
166 <section>
167 <title>Introduction</title>
168 <body>
169
170 <impo>
171 The Gentoo developers cannot support you if something goes wrong with a
172 non-Gentoo LiveCD, as there's no way to fix, troubleshoot, or document every
173 quirk of every LiveCD out there. Only Gentoo LiveCDs are officially supported.
174 If you run into problems with alternative installation media, please visit the
175 <uri link="http://forums.gentoo.org">Gentoo Forums</uri> for community help.
176 </impo>
177
178 <p>
179 It is possible to boot some other LiveCD besides the Gentoo-provided CDs. This
180 will give you a functional environment to use while you're compiling and
181 installing Gentoo. The instructions provided here should work in principle with
182 just about any other LiveCD.
183 </p>
184
185 <p>
186 There are too many LiveCDs out there to <uri
187 link="http://distrowatch.com/search.php">list</uri>, but you might try <uri
188 link="http://www.knoppix.org/">Knoppix</uri>. It provides a full graphical
189 desktop, with office applications, web browsers, and games to keep you busy.
190 Knoppix is only available for x86 users, so depending on your needs you may need
191 to find a different LiveCD.
192 </p>
193
194 <warn>
195 Be aware that if you save anything in your LiveCD's home directory while waiting
196 for your Gentoo system to install, it will not be available when you reboot
197 into Gentoo. Be sure to save important files on the hard disk or on some other
198 computer!
199 </warn>
200
201 </body>
202 </section>
203 <section>
204 <title>Installation instructions</title>
205 <body>
206
207 <p>
208 Boot from your LiveCD. Open a terminal and run <c>su -</c> so you can change your
209 password. This lets you set the root password for the CD. You can now configure
210 <c>sshd</c> for remote login, if you need to install Gentoo remotely. Next,
211 you'll need to create the <path>/mnt/gentoo</path> mountpoint.
212 </p>
213
214 <pre caption="Creating the /mnt/gentoo mountpoint">
215 # <i>mkdir /mnt/gentoo</i>
216 </pre>
217
218 <p>
219 At this point, you can pick up with the standard install documentation at <uri
220 link="/doc/en/handbook/handbook-x86.xml?part=1&amp;chap=4">part 4</uri>.
221 However, when you are asked to mount the proc system, issue the following
222 command instead:
223 </p>
224
225 <pre caption="Bind-mounting the proc pseudo filesystem">
226 # <i>mount -o bind /proc /mnt/gentoo/proc</i>
227 </pre>
228
229 <p>
230 When you're ready to unpack the stage tarball in <uri
231 link="/doc/en/handbook/handbook-x86.xml?part=1&amp;chap=5">part 5</uri>, you
232 will need to use a different <c>tar</c> command to ensure that proper group IDs
233 are enforced on the unpacked stage:
234 </p>
235
236 <pre caption="Unpacking the stage tarball">
237 # <i>tar --numeric-owner -xvjpf stage3-*.tar.bz2</i>
238 </pre>
239
240 <p>
241 Finally, know that some Portage FEATURES may not work in your LiveCD. Especially
242 watch out for <c>userpriv</c> and <c>usersandbox</c>. If you find yourself
243 getting errors, it might be wise to disable some or all of the optional
244 FEATURES.
245 </p>
246
247 <!--
248 Commenting out due to #78716. If it needs to be restated again, note
249 that some will require to bind-mount it, others don't, and that you have
250 a 50-50 chance of winning the gold strike.
251
252
253 <p>
254 You will also need to bind-mount the device tree to resolve permission issues
255 with various device files.
256 </p>
257
258 < ! - -
259 If this doesn't seem to work, #71901 mentions the following command:
260 mount -o remount,rw,nosuid /dev/hd* /mnt/hd*
261 before all. Looks weird to me, but if this doesn't work, we might want to try
262 that.
263 - - >
264
265 <pre caption="Bind-mounting the device tree">
266 # <i>mount -o bind /dev /mnt/gentoo/dev</i>
267 </pre>
268 -->
269
270 </body>
271 </section>
272 </chapter>
273
274 <chapter>
275 <title>Diskless install using PXE boot</title>
276 <section>
277 <title>Requirements</title>
278 <body>
279
280 <p>
281 You will need a network card on the diskless client that uses the PXE protocol
282 to boot, like many 3com cards. You will also need a BIOS that supports booting
283 from PXE.
284 </p>
285
286 </body>
287 </section>
288 <section>
289 <title>Server base setup</title>
290 <body>
291
292 <p>
293 Create directories: The first thing to do is to create the directories where
294 your diskless system will be stored. Create a directory called
295 <path>/diskless</path> which houses a directory for each diskless client. For
296 the rest of this howto we'll be working on the client 'eta'.
297 </p>
298
299 <pre caption="Directory setup">
300 # <i>mkdir /diskless</i>
301 # <i>mkdir /diskless/eta</i>
302 # <i>mkdir /diskless/eta/boot</i>
303 </pre>
304
305 <p>
306 DHCP and TFTP setup: The client will get boot informations using DHCP and
307 download all the required files using TFTP.
308 </p>
309
310 <p>
311 For dhcpd, just run <c>emerge dhcp</c> (or any other DHCP server of your
312 choice). Make sure that the correct interface is selected in
313 <path>/etc/conf.d/dhcpd</path>, and configure it for your basic needs. Then, add
314 the following on <path>/etc/dhcp/dhcpd.conf</path>.
315 </p>
316
317 <note>
318 This provides a static IP address for the client and the path of a PXE boot
319 image, here <path>pxegrub</path>. You have to replace the MAC address of the
320 ethernet card of the client and the directory where you will put the client
321 files with the one you use.
322 </note>
323
324 <pre caption="dhcpd.conf">
325 option option-150 code 150 = text ;
326 ddns-update-style none ;
327 host eta {
328 hardware ethernet 00:00:00:00:00:00;
329 fixed-address <i>ip.add.re.ss</i>;
330 option option-150 "/eta/boot/grub.lst";
331 filename "/eta/boot/pxegrub";
332 }
333 </pre>
334
335 <p>
336 Next you'll need to configure your interface in <path>/etc/conf.d/net</path> so
337 that it doesn't get cleared at bootup. See <path>/etc/conf.d/net.example</path>
338 for more information.
339 </p>
340
341 <pre caption="/etc/conf.d/net">
342 <comment>(Replace eth0 with the correct interface)</comment>
343 config_eth0=( "noop" )
344 </pre>
345
346 <p>
347 For TFTP, emerge <c>app-admin/tftp-hpa</c>. In
348 <path>/etc/conf.d/in.tftpd</path>, put the following :
349 </p>
350
351 <pre caption="in.tftpd">
352 INTFTPD_PATH="/diskless"
353 INTFTPD_USER="nobody"
354 INTFTPD_OPTS="-u ${INTFTPD_USER} -l -vvvvvv -p -c -s ${INTFTPD_PATH}"
355 </pre>
356
357 <p>
358 Setup GRUB: To provide PXE booting I use GRUB with the <c>netboot</c> USE flag
359 enabled. Once GRUB is compiled, copy the PXE image to the diskless client's
360 boot directory. Then edit its <path>grub.lst</path> config file.
361 </p>
362
363 <pre caption="Grub setup">
364 # <i>echo "sys-boot/grub netboot" &gt;&gt; /etc/portage/package.use</i>
365 # <i>emerge -av grub</i>
366 # <i>cp /usr/lib/grub/pxegrub /diskless/eta/boot/pxegrub</i>
367 # <i>nano -w /diskless/eta/boot/grub.lst</i>
368 </pre>
369
370 <pre caption="grub.lst">
371 default 0
372 timeout 30
373
374 title=Diskless Gentoo
375 root (nd)
376 kernel /eta/bzImage ip=dhcp root=/dev/nfs nfsroot=<i>ip.add.re.ss</i>:/diskless/eta
377
378 <comment># For the nfsroot option, the IP address is the one of the server and
379 the directory is the one where your diskless client files are located (on the server).</comment>
380 </pre>
381
382 <p>
383 Setup NFS: NFS is quite easy to configure. The only thing you have to do is to
384 add a line on the <path>/etc/exports</path> config file:
385 </p>
386
387 <pre caption="/etc/exports">
388 # <i>nano -w /etc/exports</i>
389 # /etc/exports: NFS file systems being exported. See exports(5).
390 /diskless/eta eta(rw,sync,no_root_squash)
391 </pre>
392
393 <p>
394 Update your hosts: One important thing to do now is to modify your
395 <path>/etc/hosts</path> file to fit your needs.
396 </p>
397
398 <pre caption="/etc/hosts">
399 127.0.0.1 localhost
400
401 192.168.1.10 eta.example.com eta
402 192.168.1.20 sigma.example.com sigma
403 </pre>
404
405 </body>
406 </section>
407 <section>
408 <title>Creating the system on the server</title>
409 <body>
410
411 <p>
412 You might want to reboot the server with a Gentoo Install CD, although you can
413 very well continue immediately if you know how to proceed with the Gentoo
414 Installation Instructions from an existing installation. Follow the standard
415 install procedure as explained in the <uri link="/doc/en/handbook/">Gentoo
416 Handbook</uri> BUT with the following differences:
417 When you mount the file system, do the following (where <path>hdaX</path> is
418 the partition where you created the <path>/diskless</path> directory). You do
419 not need to mount any other partitions as all of the files will reside in the
420 <path>/diskless/eta</path> directory.
421 </p>
422
423 <pre caption="Mounting the filesystem">
424 #<i> mount /dev/hdaX /mnt/gentoo</i>
425 </pre>
426
427 <p>
428 Stage tarballs and chroot: This example uses a stage3 tarball. Mount
429 <path>/proc</path> to your diskless directory and chroot into it to continue
430 with the install. Then follow the installation manual until kernel
431 configuration.
432 </p>
433
434 <warn>
435 Be very careful where you extract your stage tarball. You don't want to end up
436 extracting over your existing installation.
437 </warn>
438
439 <pre caption="Extracting the stage tarball">
440 # <i>cd /mnt/gentoo/diskless/eta/</i>
441 # <i>tar -xvjpf /mnt/cdrom/gentoo/stage3-*.tar.bz2</i>
442 # <i>mount -t proc /proc /mnt/gentoo/diskless/eta/proc</i>
443 # <i>cp /etc/resolv.conf /mnt/gentoo/diskless/eta/etc/resolv.conf</i>
444 # <i>chroot /mnt/gentoo/diskless/eta/ /bin/bash</i>
445 # <i>env-update</i>
446 # <i>source /etc/profile</i>
447 </pre>
448
449 <p>
450 Kernel configuration: When you do the <c>make menuconfig</c> of your kernel
451 configuration, don't forget to enable the following options with the others
452 recommended into the install howto.
453 </p>
454
455 <pre caption="menuconfig options">
456 - Your network card device support
457 <comment>(In the kernel, *not* as a module!)</comment>
458
459 - Under "Networking options" :
460
461 [*] TCP/IP networking
462 [*] IP: kernel level autoconfiguration
463 [*] IP: DHCP support
464 [*] IP: BOOTP support
465
466
467 - Under "File systems --> Network File Systems" :
468
469 &lt;*&gt; NFS file system support
470 [*] Provide NFSv3 client support
471 [*] Root file system on NFS
472 </pre>
473
474 <p>
475 Save the kernel in your chrooted <path>/</path> (not in <path>/boot</path>)
476 according to the pxegrub setting defined earlier. Next configure your
477 diskless client's <path>/etc/fstab</path>.
478 </p>
479
480 <pre caption="/etc/fstab">
481 # <i>nano -w /etc/fstab</i>
482 /dev/cdroms/cdrom0 /mnt/cdrom iso9660 noauto,ro 0 0
483 proc /proc proc defaults 0 0
484 tmpfs /dev/shm tmpfs nodev,nosuid,noexec 0 0
485 </pre>
486
487 <p>
488 You also need to prevent the client to run a filesystem check:
489 </p>
490
491 <pre caption="Preventing the client to run a filesystem check">
492 # <i>touch /fastboot</i>
493 # <i>echo "touch /fastboot" &gt;&gt; /etc/conf.d/local.start</i>
494 </pre>
495
496 <p>
497 Install <c>nfs-utils</c> since your client will heavily depend on it:
498 </p>
499
500 <pre caption="Installing nfs-utils">
501 # <i>emerge nfs-utils</i>
502 </pre>
503
504 <p>
505 Bootloader. Don't install another bootloader because we already have one -
506 pxegrub. Simply finish the install and restart the server. Start the services
507 you'll need to boot the new client: DHCP, TFTPD, and NFS.
508 </p>
509
510 <pre caption="Starting services">
511 # <i>/etc/init.d/dhcp start</i>
512 # <i>/etc/init.d/in.tftpd start</i>
513 # <i>/etc/init.d/nfs start</i>
514 </pre>
515
516 </body>
517 </section>
518 <section>
519 <title>Booting the new client</title>
520 <body>
521
522 <p>
523 For the new client to boot properly, you'll need to configure the bios and the
524 network card to use PXE as the first boot method - before CD-ROM or floppy. For
525 help with this consult your hardware manuals or manufacturers website. The
526 network card should get an IP address using DHCP and download the GRUB PXE
527 image using TFTP. Then, you should see a nice black and white GRUB bootmenu
528 where you will select the kernel to boot and press Enter. If everything is ok
529 the kernel should boot, mount the root filesystem using NFS and provide you
530 with a login prompt. Enjoy.
531 </p>
532
533 </body>
534 </section>
535 </chapter>
536
537 <chapter>
538 <title>Installing Gentoo from an existing Linux distribution</title>
539 <section>
540 <title>Requirements</title>
541 <body>
542
543 <p>
544 In order to install Gentoo from your existing Linux distribution you need to
545 have chroot command installed, and have a copy of the Gentoo installation
546 tarball or ISO you want to install. A network connection would be preferable if
547 you want more than what's supplied in your tarball. (by the way, a tarball is
548 just a file ending in .tbz or .tar.gz). The author used RedHat Linux 7.3 as the
549 "host" operating system, but it is not very important. Let's get started!
550 </p>
551
552 </body>
553 </section>
554 <section>
555 <title>Overview</title>
556 <body>
557
558 <p>
559 We will first allocate a partition to Gentoo by resizing our existing Linux
560 partition, mount the partition, untar the tarball to the partition that is
561 mounted, chroot inside the pseudo-system and start building. Once the bootstrap
562 process is done, we will do some final configuration on the system so as to
563 make sure it boots, then we are ready to reboot and use Gentoo.
564 </p>
565
566 </body>
567 </section>
568 <section>
569 <title>How should we make space for Gentoo?</title>
570 <body>
571
572 <p>
573 The root partition is the filesystem mounted under <path>/</path>. A quick run
574 of <c>mount</c> on my system shows what I am talking about. We well also use
575 <c>df</c> (disk free) to see how much space I have left and how I will be
576 resizing. Note that it is not mandatory to resize your root partition! You
577 could be resizing anything else supported by our resizer, but let's talk about
578 that later.
579 </p>
580
581 <pre caption="Filesystem information">
582 # <i>mount</i>
583 /dev/hdb2 on / type ext3 (rw)
584 none on /proc type proc (rw)
585 none on /dev/pts type devpts (rw,gid=5,mode=620)
586 none on /dev/shm type tmpfs (rw,nodev,nosuid,noexec)
587 # <i>df -h </i>
588 Filesystem Size Used Avail Use% Mounted on
589 /dev/hdb2 4.0G 1.9G 2.4G 82% /
590 none 38M 0 38M 0% /dev/shm
591 </pre>
592
593 <p>
594 As we can see, the partition mounted as <path>/</path> named
595 <path>/dev/hdb2</path> has 2.4 gigabytes free. In my case, I think I will
596 resize it as to leave 400Megs free of space, therefore allocating 2 gigabytes
597 for Gentoo. Not bad, I could have quite some stuff installed. However, I think
598 that even one gigabyte is enough for most users. So let's partition this thing!
599 </p>
600
601 </body>
602 </section>
603 <section>
604 <title>Building parted to resize partition</title>
605 <body>
606
607 <p>
608 Parted is an utility supplied by the GNU foundation, an old and respectable
609 huge project whose software you are using in this very moment. There is one
610 tool, however, that is extremely useful for us at the moment. It's called
611 parted, partition editor and we can get it from
612 <uri>http://www.gnu.org/software/parted/</uri>
613 </p>
614
615 <note>
616 There are other tools for doing resize of partitions as well, but the author is
617 unsure/uninterested whether PartitionMagic(tm) or other software of the kind do
618 the job. It's the reader's job to check them out
619 </note>
620
621 <p>
622 Look up on that page the type of filesystem you want to resize and see if
623 parted can do it. If not, you're out of luck, you will have to destroy some
624 partition to make space for Gentoo, and reinstall back. Go ahead by downloading
625 the software, install it. Here we have a problem. We want to resize our Linux
626 root partition, therefore we must boot from a floppy disk a minimal linux
627 system and use previously-compiled parted copied to a diskette in order to
628 resize <path>/</path>. However, if you can unmount the partition while still
629 in Linux you are lucky, you don't need to do what follows. Just compile parted
630 and run it on an unmounted partition you chose to resize. Here's how I did it
631 for my system.
632 </p>
633
634 <impo>
635 Make sure that the operations you want to do on your partition are supported by
636 parted!
637 </impo>
638
639 <p>
640 Get the mininux boot/root disk (a 2.4-powered mini Linux distribution on a
641 floppy - free of charge) from <uri>http://mininux.free.fr/uk/</uri>, create a
642 floppy as suggested in the Documentation that accompanies the software package
643 and insert a new floppy in the drive for the next step.
644 </p>
645
646 <note>
647 Note again that Linux is synonym of "There's one more way to do it". Your
648 objective is to run parted on an unmounted partition so it can do its work. You
649 might use some boot/root diskset other than mininux. You might not even
650 need to do this step at all, ie. you might only have umount the filesystem you
651 want to repartition in your Linux session and run parted on it.
652 </note>
653
654 <pre caption="Utility disk creation">
655 # <i>mkfs.minix /dev/fd0</i>
656 480 inodes
657 1440 blocks
658 Firstdatazone=19 (19)
659 Zonesize=1024
660 Maxsize=268966912
661 </pre>
662
663 <p>
664 We will now proceed with the build of parted. If it's not already downloaded
665 and untarred, do so now and <c>cd</c> into the corresponding directory. Now run
666 the following set of commands to build the utility and copy it to your floppy
667 disk.
668 </p>
669
670 <pre caption="Building the utility floppy">
671 # <i> mkdir /floppy; mount -t minix /dev/fd0 /floppy &amp;&amp;
672 export CFLAGS="-O3 -pipe -fomit-frame-pointer -static" &amp;&amp; ./configure
673 &amp;&amp; make &amp;&amp; cp parted/parted /floppy &amp;&amp; umount /floppy </i>
674 </pre>
675
676 <p>
677 Congratulations, you are ready to reboot and resize your partition. Do this
678 only after taking a quick look at the parted documentation on the GNU website.
679 The resize should take under 30 minutes for the largest hard-drives, be
680 patient. Reboot your system with the mininux boot disk (just pop it inside),
681 and once you are logged in, switch the disk in the drive with your utility disk
682 we have created above and type <c>mount /dev/fd0 /floppy</c> to have parted
683 under <path>/floppy</path>. There you go. Run parted and you will be able to
684 resize your partition. Once this lenghty process done, we are ready to have the
685 real fun, by installing Gentoo. Reboot back into your old Linux system for now.
686 The drive you wish to operate on is the drive containing the partition we want
687 to resize. For example, if we want to resize /dev/hda3, the drive is /dev/hda.
688 </p>
689
690 <pre caption="Commands to run once logged into mininux system">
691 # <i>mount /dev/fd0 /floppy </i>
692 # <i>cd /floppy; ./parted [drive you wish to operate on]</i>
693 (parted) <i> print </i>
694 Disk geometry for /dev/hdb: 0.000-9787.148 megabytes
695 Disk label type: msdos
696 Minor Start End Type Filesystem Flags
697 1 0.031 2953.125 primary ntfs
698 3 2953.125 3133.265 primary linux-swap
699 2 3133.266 5633.085 primary ext3
700 4 5633.086 9787.148 extended
701 5 5633.117 6633.210 logical
702 6 6633.242 9787.148 logical ext3
703 (parted) <i> help resize </i>
704 resize MINOR START END resize filesystem on partition MINOR
705
706 MINOR is the partition number used by Linux. On msdos disk labels, the
707 primary partitions number from 1-4, and logical partitions are 5
708 onwards.
709 START and END are in megabytes
710 (parted) <i> resize 2 3133.266 4000.000 </i>
711 </pre>
712
713 <impo>
714 Be patient! The computer is working! Just look at the harddrive LED on your case
715 to see that it is really working. This should take between 2 and 30 minutes.
716 </impo>
717
718 <p>
719 Once you have resized, boot back into your old linux as described. Then go to
720 <uri link="/doc/en/handbook/handbook-x86.xml?part=1&amp;chap=4">The Gentoo
721 Handbook: Preparing the Disks</uri> and follow the instructions. When
722 chrooting, use the following command to flush your environment:
723 </p>
724
725 <pre caption="Flushing the environment during chroot">
726 # <i>env -i HOME=$HOME TERM=$TERM chroot /mnt/gentoo /bin/bash</i>
727 # <i>/usr/sbin/env-update</i>
728 # <i>source /etc/profile</i>
729 </pre>
730
731 <p>
732 Enjoy!
733 </p>
734
735 </body>
736 </section>
737 </chapter>
738 </guide>

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