libqt4-dbus software package provides Qt 4 D-Bus module, 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 libqt4-dbus
libqt4-dbus is installed in your system.
Make ensure the libqt4-dbus package were installed using the commands given below,
$ sudo dpkg-query -l | grep libqt4-dbus *
You will get with libqt4-dbus package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Libraries |
| Package | libqt4-dbus |
| Version | 4:4.8.5+git192-g085f851+dfsg-2 |
| Description | Qt 4 D-Bus module |
| Sub Section | libs |