libmagic1 software package provides File type determination library using magic numbers, 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 libmagic1
libmagic1 is installed in your system.
Make ensure the libmagic1 package were installed using the commands given below,
$ sudo dpkg-query -l | grep libmagic1 *
You will get with libmagic1 package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Libraries |
| Package | libmagic1 |
| Version | 1:5.14-2ubuntu3.3 [amd64, i386 |
| Description | File type determination library using magic numbers |
| Sub Section | libs |