Setup Linux crypto

Instructions on setting up crypto on USB HD for linux.
2010 - January
Find disk mapping by-uuid to keep it constant.
- # ls -l /dev/disk/by-uuid/
Setup Luks on device
- cryptsetup --verbose --verify-passphrase luksFormat /dev/sdb1
Format the encrypted partition
- # mkfs.ext3 /dev/mapper/crypt -L crypt1.5GB -m 0.5
- # mkfs.ext3 -j -m 1 -O dir_index,filetype,sparse_super,extent /dev/mapper/crypt
  - flex_bg,extent,uninit_bg
- mkfs.ext4 -O dir_index,filetype,sparse_super,extent,flex_bg,uninit_bg /dev/mapper/crypt -L crypt1.5GB -m 0.1

gvim /etc/cryptmount/cmtab

 crypt {
    keyformat=luks
    dev=/dev/disk/by-uuid/0513f3c1-14da-41d5-b4ee-97fac5b5ac23 keyfile=/dev/disk/by-uuid/0513f3c1-14da-41d5-b4ee-97fac5b5ac23
    dir=/home/USER/crypt    fstype=ext3
    }

  personal {
   keyformat=luks
   dev=/home/USER/.cryptofileLUKS
   dir=/home/USER/doc/personal
   }

mkdir /home/USER/crypt
cryptmount crypt

pcfpg clpg iltbbtims ...

CategoryLinux