How To Install Apache2 on Ubuntu 18.04

1. Introduction

Apache HTTP server is the most popular web server. It is a free, open-source and cross-platform HTTP server.

This tutorial explains how to install and manage the Apache server on Ubuntu 18.04.

2. Prerequisites

In order to complete this tutorial, you will need :

1. you will need to have an Ubuntu 18.04 server.
2. Update your system: sudo apt update && sudo apt upgrade

3. Install Apache

Apache2 is available in the default Ubuntu repositories so we can use apt package management tool to install it with the following commands.

sudo apt update && sudo apt install apache2

Apache is installed and automatically started, you can check the Apache service status by using :

sudo systemctl status apache2

4. Adjust the Firewall

If firewall i used, you’ll need to open HTTP (80) and HTTPS (443) ports.

Assuming you are using UFW to manage your firewall, you can open the necessary ports with the following command:

sudo ufw allow 'Apache Full'

You can verify the change with:

sudo ufw status

Status: active

To                         Action      From
--                         ------      ----
22/tcp                     ALLOW       Anywhere
Apache Full                ALLOW       Anywhere
22/tcp (v6)                ALLOW       Anywhere (v6)
Apache Full (v6)           ALLOW       Anywhere (v6)

5. Verifying the Apache Installation

To verify that everything works correctly, you can type your server IP address http://YOUR_IP_OR_DOMAIN/ in your browse and you will see the default Ubuntu 18.04 Apache welcome page.