How to encrypt swap partition on Ubuntu 14.04 LTS

If you installed Ubuntu 14.04 afresh, and selected home folder encryption, you will also get an encrypted swap partition. However, when the computer boots, you get the following error message: the disk drive for /dev/mapper/cryptswap1 is not ready yet or not present.

Note that you need to have a proper data backup and make sure . . . → Read More: How to encrypt swap partition on Ubuntu 14.04 LTS

How to check if swap is encrypted in Ubuntu

Start up a terminal window and then enter the commands as shown in italics below. The following command will tell you if your swap is encrypted in Ubuntu 12.04.

$ swapon –summary <enter>

Filename Type Size Used Priority /dev/mapper/cryptswap1 partition 3904508 0 -1

Above indicates swap is encrypted. If it returned nothing except the heading, . . . → Read More: How to check if swap is encrypted in Ubuntu

Encrypting a container file using dm-crypt / cryptsetup instead of TrueCrypt

Encrypting a container file using dm-crypt / cryptsetup instead of TrueCrypt There are many users who use TrueCrypt (http://www.truecrypt.org) to encrypt our data backups for added security. To us, TrueCrypt was one of the best tools available. However, with the latest update on the TrueCrypt website, the developers have stated that those using TrueCrypt should . . . → Read More: Encrypting a container file using dm-crypt / cryptsetup instead of TrueCrypt

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