Pxe-livecd » История » Версия 4
Андрей Волков, 2015-05-25 19:59
1 | 1 | Андрей Волков | h1. Pxe-livecd |
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2 | |||
3 | 2 | Андрей Волков | |
4 | h2. Настройки загрузчика: |
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5 | |||
6 | h3. Файлы |
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7 | |||
8 | *tftp/gentoo* |
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9 | *tftp/initramfs.igz* |
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10 | *tftp/pxelinux.0* |
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11 | |||
12 | *tftp/pxelinux.cfg/default* |
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13 | |||
14 | <pre> |
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15 | default gentoo |
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16 | |||
17 | label gentoo |
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18 | kernel gentoo |
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19 | append initrd=initramfs.igz root=/dev/ram0 init=/linuxrc loop=/image.squashfs looptype=squashfs cdroot=1 real_root=/ |
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20 | </pre> |
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21 | |||
22 | h2. Исправление для image.squashfs |
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23 | |||
24 | На примере install-amd64-minimal-20120621.iso |
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25 | |||
26 | 1 | Андрей Волков | <pre> |
27 | <code class="diff"> |
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28 | diff -u init.orig init |
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29 | --- init.orig 2012-08-01 12:37:57.000000000 +0600 |
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30 | +++ init 2012-08-01 12:39:08.000000000 +0600 |
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31 | @@ -372,10 +372,10 @@ |
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32 | [ ! -e "${NEW_ROOT}/dev/tty1" ] && mknod "${NEW_ROOT}/dev/tty1" c 4 1 |
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33 | fi |
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34 | |||
35 | - if [ "${REAL_ROOT}" != "/dev/nfs" ] && [ "${LOOPTYPE}" != "sgimips" ] |
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36 | - then |
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37 | - bootstrapCD |
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38 | - fi |
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39 | +# if [ "${REAL_ROOT}" != "/dev/nfs" ] && [ "${LOOPTYPE}" != "sgimips" ] |
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40 | +# then |
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41 | +# bootstrapCD |
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42 | +# fi |
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43 | |||
44 | if [ "${REAL_ROOT}" = '' ] |
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45 | then |
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46 | @@ -460,7 +460,7 @@ |
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47 | else |
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48 | bad_msg "Block device ${REAL_ROOT} is not a valid root device..." |
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49 | REAL_ROOT="" |
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50 | - got_good_root=0 |
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51 | + got_good_root=1 |
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52 | fi |
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53 | done |
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54 | |||
55 | @@ -524,7 +524,7 @@ |
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56 | [ -z "${LOOP}" ] && find_loop |
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57 | [ -z "${LOOPTYPE}" ] && find_looptype |
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58 | |||
59 | - cache_cd_contents |
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60 | + #cache_cd_contents |
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61 | |||
62 | # If encrypted, find key and mount, otherwise mount as usual |
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63 | if [ -n "${CRYPT_ROOT}" ] |
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64 | </code> |
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65 | </pre> |
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66 | 3 | Андрей Волков | |
67 | h3. Исходные файлы: |
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68 | |||
69 | <pre> |
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70 | image.squashfs |
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71 | isolinux/gentoo |
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72 | isolinux/gentoo.igz |
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73 | isolinux/isolinux.cfg |
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74 | </pre> |
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75 | |||
76 | h3. Приготовление |
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77 | |||
78 | <pre> |
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79 | mkdir unpack |
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80 | cd unpack |
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81 | xzcat ../gentoo.igz | cpio -mdi |
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82 | vi init |
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83 | 4 | Андрей Волков | mkdir mnt/cdrom |
84 | mv -v ../image.squashfs mnt/cdrom/ |
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85 | find | cpio -o -H newc | xz -v --check=crc32 --x86 --lzma2 > ../initramfs.igz |
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86 | 3 | Андрей Волков | </pre> |