61 lines
1.9 KiB
Plaintext
61 lines
1.9 KiB
Plaintext
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UEFI boot does not work, so use legacy boot.
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Installed with ubuntu-20.04-live-server-amd64.iso
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ssh-copy-id
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git clone 192.168.1.129:privat/configfiles
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cp configfiles/ubuntu-20.04/home/.* .
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sudo cp configfiles/ubuntu-20.04/home/.* /root
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bash configfiles/ubuntu-20.04/packages
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LVM_extend_to_full_disk() {
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lvextend -L +10G /dev/ubuntu-vg/ubuntu-lv
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resize2fs /dev/mapper/ubuntu--vg-ubuntu--lv
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}
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Change_LUKS_password_to_USB_cryptkey() {
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echo oldpassword:; read oldpassword
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echo secretpassword:; read secretpassword
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echo newpassword:; read newpassword </mnt/cryptkey.txt
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echo "$oldpassword $secretpassword $newpassword"
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DISK=/dev/disk/by-path/pci-0000:05:00.0-scsi-0:2:1:0
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# Add secretpassword to keyslot 2 (this will be slow to decrypt)
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(echo "$oldpassword"; echo "$secretpassword") |
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cryptsetup -y -v luksAddKey \
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--pbkdf-parallel 1 \
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--pbkdf-memory 4000000 --pbkdf argon2id --iter-time 40000 \
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${DISK}-part3
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# Remove oldpassword from keyslot 1
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(echo "$oldpassword") |
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cryptsetup -y -v luksRemoveKey ${DISK}-part3
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# Add newpassword to keyslot 1 (this will be fast to decrypt)
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(echo "$secretpassword"; echo "$newpassword") |
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cryptsetup -y -v luksAddKey \
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--pbkdf-parallel 1 \
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--pbkdf-memory 100000 --pbkdf argon2id --iter-time 1000 \
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${DISK}-part3
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# Check that slot 0 and 1 are in use
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cryptsetup luksDump ${DISK}-part3
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cryptsetup config --priority prefer --key-slot 0
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# This should be fast
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(echo "$newpassword"; echo "dummy") |
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cryptsetup -y -v luksAddKey \
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--pbkdf-parallel 1 \
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--pbkdf-memory 100000 --pbkdf argon2id --iter-time 1000 \
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${DISK}-part3
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# This is still slow
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(echo "dummy") |
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cryptsetup -y -v luksRemoveKey ${DISK}-part3
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}
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autodecrypt() {
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cd ~tange/configfiles/ubuntu-20.04/
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cp usr/share/initramfs-tools/scripts/local-top/cryptroot /usr/share/initramfs-tools/scripts/local-top/cryptroot
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update-initramfs -u -k all
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}
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