libapache2-mod-qos software package provides quality of service module for the apache2, 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 libapache2-mod-qos
libapache2-mod-qos is installed in your system.
Make ensure the libapache2-mod-qos package were installed using the commands given below,
$ sudo dpkg-query -l | grep libapache2-mod-qos *
You will get with libapache2-mod-qos package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Web Servers |
| Package | libapache2-mod-qos |
| Version | 10.28-1 |
| Description | quality of service module for the apache2 |
| Sub Section | httpd |