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36 lines
1.0 KiB
36 lines
1.0 KiB
4 years ago
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#!/bin/bash
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7z x -oisofiles $1
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# Adding a Preseed File to the Initrd:
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# You now have the directory isofiles with all the ISO's files in it. Make
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# initrd.gz writable by the user, uncompress it and append a preseed file to
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# the initrd. Recompress the initrd and return initrd.gz to its original
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# read-only state.
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# 386, amd
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ARCH='amd'
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gunzip isofiles/install.${ARCH}/initrd.gz
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echo preseed.cfg | cpio -H newc -o -A -F isofiles/install.${ARCH}/initrd
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gzip isofiles/install.${ARCH}/initrd
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# Regenerating md5sum.txt:
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# Note: A warning will be issued because `./debian` is a symlink to `.`;
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# The production of md5sum.txt is unaffected.
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cd isofiles
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chmod +w md5sum.txt
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find -follow -type f ! -name md5sum.txt -print0 | xargs -0 md5sum > md5sum.txt
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chmod -w md5sum.txt
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cd ..
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# Creating a New Bootable ISO Image:
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# The following instructions suffice for i386 and amd64 in legacy BIOS mode.
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genisoimage -r -J -b isolinux/isolinux.bin -c isolinux/boot.cat \
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-no-emul-boot -boot-load-size 4 -boot-info-table \
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-o preseed-$1 isofiles
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rm -rf isofiles/
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