debian desatendida

recreate.sh

#!/bin/sh

# https://www.librebyte.net/despliegue-de-sistemas/como-instalar-debian-de-forma-automatica-o-desatendida/
# a partir de passo 6, umah vez creado o pressed.cfg

chmod +w -R isofiles/install.amd/
gunzip isofiles/install.amd/initrd.gz
echo preseed.cfg | cpio -H newc -o -A -F isofiles/install.amd/initrd
gzip isofiles/install.amd/initrd
chmod -w -R isofiles/install.amd/
cd isofiles/
chmod a+w md5sum.txt
md5sum `find -follow -type f` > md5sum.txt
chmod a-w md5sum.txt
cd ..
chmod a+w isofiles/isolinux/isolinux.bin
rm -f preseed-debian-10.6.0-amd64-netinst.iso
genisoimage -r -J -b isolinux/isolinux.bin -c isolinux/boot.cat -no-emul-boot -boot-load-size 4 -boot-info-table -o preseed-debian-10.6.0-amd64-netinst.iso isofiles