Luks FS

pwgen -1 > /root/.luks.pwd
# Format partition
cryptsetup -q --use-urandom luksFormat /dev/vg/lv /root/.luks.pwd
 
# Creating random keyfile for crypted partition
dd if=/dev/urandom of=/root/.luks.key bs=1024 count=4
 
# Setting permission on key/pass files
chmod 0500 /root/.luks.pwd /root/.luks.key
 
#Add new key on crypted partition
cryptsetup luksAddKey /dev/vg/lv
 
# Active crypted partition
cryptsetup luksOpen /dev/vg/lv mylv --key-file /root/.luks.key
 
# Creating Ext4 FS on crypted partition
mkfs.ext4 /dev/mapper/mylv

Remarque : A faire après le cryptsetup luksOpen.

mount /dev/mapper/mylv /mnt/mylv

umount /dev/mapper/mylv
cryptsetup close mylv