Use this tag for question related to configuring and using Apache on Ubuntu or one of Ubuntu's official derivatives.

The Apache HTTP Server Project is an effort to develop and maintain an open-source HTTP server for modern operating systems including UNIX and Windows. The goal of this project is to provide a secure, efficient and extensible server that provides HTTP services in sync with the current HTTP standards.
The Apache HTTP Server is a project of The Apache Software Foundation.ref

Apache HTTP server can be installed using apt-get.
Or, another common method of installing Apache is by using taskel and setting up a lamp stack.