Install Ubuntu Server 20.04 LTS

How to install Ubuntu Server 20.04 LTS

Ubuntu Server 20.04 LTS is the latest release of Canonical's Server Edition. This latest version is the LTS (Long Term Support) version that will receive updates for the next 5 years. The installation method for Ubuntu Server is quite different from that of the desktop edition. Ubuntu Server 20.04 LTS is installed from a a text based installation interface as opposed to the traditional Graphical User Interface. By default, Ubuntu server does not have a graphical desktop, however, this can be installed later if required. The Ubuntu Server edition is mainly aimed at the Enterprise/Data Centres, however, it is ideal for a home backup server solution and a media server. To download the Ubuntu Server 20.04 LTS (Focal Fossa) release simply click on the link: Download Ubuntu Server

Once you have downloaded the "iso" image, you will need to burn this to a DVD. For software that can achieve this, simply search for "dvd iso burning software" in the search box above. Your system may already have CD/DVD burning software such as "Brasero, K3B, Nero, CDBurnerXP or Roxio". Once you have burned your chosen "iso" image of Ubuntu Server to your DVD, you will place the disk in the target system and then reboot this system . As your system reboots, you will need to press the appropriate key to access your system's BIOS settings. On many systems this key will be "F8", "F11" or "F12". Most systems will display the a message indicating which key needs to be pressed. Once you have access to your BIOS settings, you will need to modify the boot order of your system to boot from CD/DVD first. Once you have made this change, you can reboot your system and follow the Instructions below. If you are installing into a Virtualized Environment Like VMWare or Oracle VM, simply copy the iso image to the relevant system folder.

Use the arrow keys and Enter key to Navigate the various selections.

Select Language for your installation

Highlight your chosen language for the installation of Ubuntu Server 20.04 LTS. In this example below, "English" has been chosen. Once you have highlighted your chosen option, press "Enter"

Ubuntu Server 20.04 Select Language

Keyboard Configuration

At this screen you can select your keyboard layout. In the example "English (UK) has been selected. Once you have made your selections, scroll down and click on "Done

Ubuntu Server 20.04 Keyboard Configuration

Network Configuration

At this screen, you can choose an interface to configure. If you are connected to a network with a DHCP server, you will be assigned a DHCP IP address automatically. Generally, most server installations require a static IP address. To configure a Static IP address, highlight the interface "enp1s0" and press "Enter". You will then be asked to enter your IP address, Netmask and Gateway information along with the IP address of your Name Servers (DNS). Your interfaces may have different names depending on your hardware. In this particular example, I am going to use DHCP to assign an IP address automatically.

Ubuntu Server 20.04 Network Configuration

Configure Proxy Server

If your system is required to use a Proxy server, then you must enter your details here. If you do not require a Proxy server, then this can be left blank. Once you have made your choice, scroll down to "Done" and press "Enter".

Ubuntu Server 20.04 Proxy Configuration

Ubuntu Mirror

If you need to use a different archive mirror to obtain updates and patches, you may enter those details at this screen.

Ubuntu Server 20.04 Ubuntu Mirror


At this screen you can define your storage. You can use the default layout "Use an entire disk" Or select the custom option where you can define your own layout. In this example, I have gone with the default layout and chosen the LVM option.

Ubuntu Server 20.04 Storage Configuration

Storage Configuration

The next screen will give you a summary of what changes are going to be made to your disk(s). Information regarding the Volume Groups and Logical Volume sizes are displayed. If you need to amend any configurations, you can either reset these or go back to change any settings.

Ubuntu Server 20.04 Storage Configuration

Confirm Destructive Action

The following screen requires you to confirm that you are happy to proceed with your installation. Any data currently on the specified disk(s) will be wiped. Select "Continue" to start the installation process.

Ubuntu Server 20.04 Confirm Disks Configuration

Profile Setup

This next screen allows you to create a user on your system. Here you must provide a user and password details and also provide the hostname of your server.

Ubuntu Server 20.04 Profile Setup

SSH Setup

This screen gives you the option of installing the "OpenSSH Server" package. This package gives you secure remote access to your server.

Ubuntu Server 20.04 SSH Configuration

Featured Server Snaps

At this screen you will find a list of popular packages that can be installed on your server. To select any package, move to the line containing the relevant package and press the "Space" bar.

Ubuntu 20.04 Server Snaps

Installing System

The following screen will now display progress of your servers installation.

Ubuntu 20.04 Server Installation

Install Complete

Congratulations, you have successfully installed Ubuntu Server. However, before you can start using your system, you must reboot the server. Select "Reboot Now" and press "Enter"

Ubuntu Server 20.04 Install Complete

Login Screen

Once your server has rebooted, you may now login with the account you created in the previous steps. You will be given an initial login screen similar to the one below. Here you will get a quick overview of your systems current storage and information regarding any updates that may be available.

Ubuntu Server 20.04 Login Screen