apache2-data software package provides Apache HTTP Server (common files), 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 apache2-data
apache2-data is installed in your system.
Make ensure the apache2-data package were installed using the commands given below,
$ sudo dpkg-query -l | grep apache2-data *
You will get with apache2-data package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Web Servers |
| Package | apache2-data |
| Version | 2.4.7-1ubuntu4.13 |
| Description | Apache HTTP Server (common files) |
| Sub Section | httpd |