How to Create an Encrypted Partition

How to Create an Encrypted Partition

Case I:--

In GUI Mode:

1)    Go To Application

2)    System Tool

3)    Disk Utility

4)    Select HDD --------à Select Free Space ------à Create Partition -----à Give Size

5)    Have To Check on encrypted underline device option

6)    Then Click Create then give Passphrase(Password)

7)    Then Create

Case II:--

In CLI Mode:

1.    Create new Partition

2.    Luksformat (Encrypt) this parttion by: #cryptsetup luksFormat /dev/sdaX

3.    Open Partition by: #cryptsetup luksOpen /dev/sdaX name

Note: name is used to store the information of partition in /dev/mapper for eq: if you use #cryptsetup luksOpen /dev/sdaX part1 then your partition must be /dev/mapper/part1

4.    Format partition by: #mkfs.ext3 /dev/mapper/name

5.    Mount Partition

6.    To Lock Partition follow two steps

·         First unmount partition by #umount

·         The close parttion by: #cryptsetup luksClose /dev/mapper/name