Martin Podolinský

After the Linux kernel update must be VMware kernel modules recompiled for the new kernel version. In order to manage that open the console as root and use the following command

vmware-modconfig --console --install-all

The dm-crypt tool is as an encryption layer for the device-mapper used by all major Linux distributions to encrypt a storage volumes. I’m going to describe here how to use it for encryption of e.g. USB-sticks or any other removable media used quite often to transfer or backup data.

LUKS

LUKS (Linux Unified Key Setup) does not provide any encryption. It’s a tool creating and managing a partition header containing all information required by encryption/decryption tools. A big advantage of using LUKS is a fact that it does not use directly the passphrase provided by user to encrypt the whole partition. The user’s passphrase is used to encrypt a master key, so we can easily add another passphrase for a different user (up to 8 at the same time) or remove a possibly compromised one.
Continue reading…