makedev software package provides creates device files in /dev, 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 makedev
makedev is installed in your system.
Make ensure the makedev package were installed using the commands given below,
$ sudo dpkg-query -l | grep makedev *
You will get with makedev package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Administration Utilities |
| Package | makedev |
| Version | 2.3.1-93ubuntu1 |
| Description | creates device files in /dev |
| Sub Section | Admin |