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Arch LinuxAdvent Calendar 2015

Day 10

Arch Linux インストールCD x86_64版のみのISOを作成

Posted at

この記事はArch Linux Advent Calender 2015の10日目です。

  • Arch LinuxのインストールCDはi686とx86_64が混在しています。
  • 片方だけ、というのが見当たらなかったので自分で作ることにしました。

手順

ISOを展開
mkdir iso tmp
mount -o loop archlinux-2015.12.01-dual.iso iso
cp -a iso/* tmp/
umount iso && rmdir iso
cd tmp
不要なファイルを削除
rm arch/i686/airootfs.sfs
rm -r arch/boot/i686
# EFIが不要な場合
rm -r EFI
再構築
genisoimage -l -r -J -V "ARCH_201512" \
 -b isolinux/isolinux.bin \
 -no-emul-boot \
 -boot-load-size 4 \
 -boot-info-table \
 -c isolinux/boot.cat \
 -o ../arch-custom.iso .

まとめ

  • 663Mから318Mに減りました。
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