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added comments in unattended script

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Bryan Joshua Pedini 2024-03-19 11:16:31 +01:00
parent 30f418f203
commit 1f0682e45d
1 changed files with 9 additions and 0 deletions
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9
unattended.sh
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@ -1,25 +1,34 @@
#!/usr/bin/env bash #!/usr/bin/env bash
# Get the file name
ISONAME=$(ls | grep "netinst.iso" | sort | tail -n1) ISONAME=$(ls | grep "netinst.iso" | sort | tail -n1)
# Remove an already existing unattended iso of this same version, if existing
rm -f $(echo ${ISONAME} | sed 's/netinst/unattended/') rm -f $(echo ${ISONAME} | sed 's/netinst/unattended/')
# Extract iso files
xorriso -osirrox on -indev ${ISONAME} -extract / isofiles xorriso -osirrox on -indev ${ISONAME} -extract / isofiles
# Remove the grub menu
sudo sed -i '/vesamenu.c32/d' isofiles/isolinux/isolinux.cfg sudo sed -i '/vesamenu.c32/d' isofiles/isolinux/isolinux.cfg
# Fix the grub menu
if [[ $(grep timeout_style isofiles/boot/grub/grub.cfg) == "" ]]; then if [[ $(grep timeout_style isofiles/boot/grub/grub.cfg) == "" ]]; then
sudo sed -i 's/insmod play/set timeout_style=hidden\nset timeout=0\nset default=1\n\ninsmod play/' isofiles/boot/grub/grub.cfg; sudo sed -i 's/insmod play/set timeout_style=hidden\nset timeout=0\nset default=1\n\ninsmod play/' isofiles/boot/grub/grub.cfg;
fi fi
# Extract the initrd image, put the preseed file in int, and re-compress
chmod +w -R isofiles/install.amd/ chmod +w -R isofiles/install.amd/
gunzip isofiles/install.amd/initrd.gz gunzip isofiles/install.amd/initrd.gz
echo preseed.cfg | cpio -H newc -o -A -F isofiles/install.amd/initrd echo preseed.cfg | cpio -H newc -o -A -F isofiles/install.amd/initrd
gzip isofiles/install.amd/initrd gzip isofiles/install.amd/initrd
chmod -w -R isofiles/install.amd/ chmod -w -R isofiles/install.amd/
# Recreate the md5sum check file
cd isofiles/ cd isofiles/
chmod a+w md5sum.txt chmod a+w md5sum.txt
md5sum $(find -follow -type f) > md5sum.txt md5sum $(find -follow -type f) > md5sum.txt
chmod a-w md5sum.txt chmod a-w md5sum.txt
cd .. cd ..
# Repackage all the iso files
chmod a+w isofiles/isolinux/isolinux.bin chmod a+w isofiles/isolinux/isolinux.bin
docker run --interactive --tty --rm --volume $(pwd):/root/unattended debian:buster /root/unattended/docker.sh docker run --interactive --tty --rm --volume $(pwd):/root/unattended debian:buster /root/unattended/docker.sh
# Remove the extracted (temporary) files
sudo rm -rf isofiles sudo rm -rf isofiles