dmraid-udeb software package provides Device-Mapper Software RAID support tool (udeb), 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 dmraid-udeb
dmraid-udeb is installed in your system.
Make ensure the dmraid-udeb package were installed using the commands given below,
$ sudo dpkg-query -l | grep dmraid-udeb *
You will get with dmraid-udeb package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | debian-installer udeb packages |
| Package | dmraid-udeb |
| Version | 1.0.0.rc16-4.2ubuntu3 |
| Description | Device-Mapper Software RAID support tool (udeb) |
| Sub Section | Debian-installer |