Preservation/kaiten-yaki
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Suikan 2021-07-02 18:15:20 +09:00
parent 57ccc0894c
commit 9242e402bd
5 changed files with 50 additions and 50 deletions
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18
script/ubuntu-kaiten-yaki.sh
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@ -94,11 +94,11 @@ function main() {
## Mount the target file system
# ${TARGETMOUNTPOINT} is created by the GUI/TUI installer
echo "...Mount /dev/mapper/${VGNAME}-${LVROOTNAME} on ${TARGETMOUNTPOINT}."
echo "...Mounting /dev/mapper/${VGNAME}-${LVROOTNAME} on ${TARGETMOUNTPOINT}."
mount /dev/mapper/${VGNAME}-${LVROOTNAME} ${TARGETMOUNTPOINT}
# And mount other directories
echo "...Mount all other dirs."
echo "...Mounting all other dirs."
for n in proc sys dev etc/resolv.conf; do mount --rbind "/$n" "${TARGETMOUNTPOINT}/$n"; done
# Change root and create the keyfile and ramfs image for Linux kernel.
@ -108,38 +108,38 @@ function main() {
mount -a
# Set up the kernel hook of encryption
echo "...Install cryptsetup-initramfs package."
echo "...Installing cryptsetup-initramfs package."
apt -qq install -y cryptsetup-initramfs
# Prepare a key file to embed in to the ramfs.
echo "...Prepair key file."
echo "...Prepairing key file."
mkdir /etc/luks
dd if=/dev/urandom of=/etc/luks/boot_os.keyfile bs=4096 count=1 status=none
chmod u=rx,go-rwx /etc/luks
chmod u=r,go-rwx /etc/luks/boot_os.keyfile
# Add a key to the key file. Use the passphrase in the environment variable.
echo "...Add a key to the key file."
echo "...Adding a key to the key file."
printf %s "${PASSPHRASE}" | cryptsetup luksAddKey -d - "${DEV}${CRYPTPARTITION}" /etc/luks/boot_os.keyfile
# Add the LUKS volume information to /etc/crypttab to decrypt by kernel.
echo "...Add LUKS volume info to /etc/crypttab."
echo "...Adding LUKS volume info to /etc/crypttab."
echo "${CRYPTPARTNAME} UUID=$(blkid -s UUID -o value ${DEV}${CRYPTPARTITION}) /etc/luks/boot_os.keyfile luks,discard" >> /etc/crypttab
# Putting key file into the ramfs initial image
echo "...Register key file to the ramfs"
echo "...Registering key file to the ramfs"
echo "KEYFILE_PATTERN=/etc/luks/*.keyfile" >> /etc/cryptsetup-initramfs/conf-hook
echo "UMASK=0077" >> /etc/initramfs-tools/initramfs.conf
# Finally, update the ramfs initial image with the key file.
echo "...Upadte initramfs."
echo "...Upadting initramfs."
update-initramfs -uk all
# Leave chroot
HEREDOC
# Unmount all
echo "...Unmount all."
echo "...Unmounting all."
umount -R ${TARGETMOUNTPOINT}
# Finishing message