How To Install apache2 on Debian 9

In this tutorial we learn how to install apache2 on Debian 9. apache2 is Apache HTTP Server

Introduction

In this tutorial we learn how to install apache2 on Debian 9.

What is apache2

apache2 is:

The Apache HTTP Server Project’s goal is to build a secure, efficient and extensible HTTP server as standards-compliant open source software. The result has long been the number one web server on the Internet.

Installing this package results in a full installation, including the configuration files, init scripts and support scripts.

There are three methods to install apache2 on Debian 9. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.

Install apache2 Using apt-get

Update apt database with apt-get using the following command.

sudo apt-get update

After updating apt database, We can install apache2 using apt-get by running the following command:

sudo apt-get -y install apache2

Install apache2 Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install apache2 using apt by running the following command:

sudo apt -y install apache2

Install apache2 Using aptitude

If you want to follow this method, you might need to install aptitude first since aptitude is usually not installed by default on Debian. Update apt database with aptitude using the following command.

sudo aptitude update

After updating apt database, We can install apache2 using aptitude by running the following command:

sudo aptitude -y install apache2

How To Uninstall apache2 on Debian 9

To uninstall only the apache2 package we can use the following command:

sudo apt-get remove apache2

Uninstall apache2 And Its Dependencies

To uninstall apache2 and its dependencies that are no longer needed by Debian 9, we can use the command below:

sudo apt-get -y autoremove apache2

Remove apache2 Configurations and Data

To remove apache2 configuration and data from Debian 9 we can use the following command:

sudo apt-get -y purge apache2

Remove apache2 configuration, data, and all of its dependencies

We can use the following command to remove apache2 configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge apache2

Dependencies

apache2 have the following dependencies:

References

Summary

In this tutorial we learn how to install apache2 package on Debian 9 using different package management tools: apt, apt-get and aptitude.