kpartx software package provides create device mappings for partitions, you can install in your Ubuntu 14.04 LTS (Trusty Tahr) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install kpartx
kpartx is installed in your system.
Make ensure the kpartx package were installed using the commands given below,
$ sudo dpkg-query -l | grep kpartx *
You will get with kpartx package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Administration Utilities |
| Package | kpartx |
| Version | 0.4.9-3ubuntu7 |
| Description | create device mappings for partitions |
| Sub Section | Admin |