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I would like to automate the process of doing

sudo cryptsetup luksOpen /dev/sdc sdc_crypt
sudo mount /dev/mapper/sdc_crypt /mnt/data

in one line with

mount /mnt/data

and only be prompted for the device's LUKS password.

I thought this configuration should be enough, but it's not, how should I do ?

/etc/crypttab

sdc_crypt   /dev/sdc    none    luks,noauto

/etc/fstab

/dev/mapper/sdc_crypt   /mnt/data   ext4   defaults,user,noauto 0 2
1
  • I wonder if this is something systemd's mount and automount units were supposed to solve. – Martian May 30 '16 at 12:11
2

Mounting with password prompt:

systemctl start mnt-data.mount

umounting with luksClose

systemctl stop systemd-cryptsetup@sdc_crypt.service

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