libgtkhex-3-dev software package provides GNOME Hex editor for files (development headers), 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 libgtkhex-3-dev
libgtkhex-3-dev is installed in your system.
Make ensure the libgtkhex-3-dev package were installed using the commands given below,
$ sudo dpkg-query -l | grep libgtkhex-3-dev *
You will get with libgtkhex-3-dev package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Library development |
| Package | libgtkhex-3-dev |
| Version | 3.8.1-1ubuntu2 |
| Description | GNOME Hex editor for files (development headers) |
| Sub Section | libdevel |