Ubuntu 20.04 Server Download

admin9 April 2024Last Update :

Understanding Ubuntu 20.04 Server Edition

Ubuntu 20.04 LTS, codenamed Focal Fossa, is a Long Term Support release that offers five years of support from its release date. This version is particularly significant for servers due to its stability and extended support, making it an ideal choice for businesses and individuals looking for a reliable server operating system.

Key Features of Ubuntu 20.04 Server

Ubuntu 20.04 Server comes with a host of features designed to enhance performance, security, and usability. Some of the key features include:

  • Improved Boot Speed: Thanks to the inclusion of systemd 245, Ubuntu 20.04 boots faster than its predecessors.
  • Enhanced Security: With features like AppArmor profiles and WireGuard VPN, the server edition puts a strong emphasis on security.
  • Netplan for Network Configuration: Netplan is the default network configuration tool in Ubuntu 20.04, simplifying the process of managing network settings.
  • Updated Software Packages: Ubuntu 20.04 includes the latest versions of popular software packages like Apache, PHP, MySQL, and others.
  • Livepatch Service: Canonical’s Livepatch service allows for kernel updates without rebooting, minimizing downtime.

System Requirements for Ubuntu 20.04 Server

Before downloading and installing Ubuntu 20.04 Server, it’s important to ensure that your hardware meets the minimum system requirements:

  • Processor: 1 GHz CPU or better
  • RAM: 1 GB minimum, 2 GB or more recommended
  • Hard Drive: Minimum 2.5 GB of free space
  • Bootable media: USB or DVD drive for installation media

Downloading Ubuntu 20.04 Server

Downloading Ubuntu 20.04 Server is a straightforward process that can be done from the official Ubuntu website. The following steps guide you through the download process:

Step-by-Step Download Guide

  1. Visit the official Ubuntu website at https://ubuntu.com/download/server.
  2. Scroll down to the ‘Ubuntu Server 20.04 LTS’ section.
  3. Click on the ‘Download’ button for the 20.04 LTS version.
  4. Choose between the standard download or the torrent download, which can be faster and more reliable for some users.
  5. Save the ISO file to your computer.

Choosing the Right Version

When downloading Ubuntu Server, you’ll have the option to choose between the 64-bit (AMD64) version and the ARM version. The 64-bit version is suitable for most modern servers, while the ARM version is designed for devices with ARM processors.

Preparing for Installation

Once you have downloaded the Ubuntu 20.04 Server ISO file, the next step is to create a bootable installation media.

Creating a Bootable USB Drive

To create a bootable USB drive, you’ll need a USB flash drive with at least 4 GB of storage and a utility like Rufus or UNetbootin. Here’s how to create a bootable USB drive using Rufus:

  • Download and open Rufus from https://rufus.ie/.
  • Insert your USB flash drive into your computer.
  • Select your USB drive in Rufus.
  • Click ‘SELECT’ and browse to the location of your downloaded Ubuntu 20.04 Server ISO file.
  • Ensure the partition scheme and target system type match your server’s configuration.
  • Click ‘START’ to begin the process.

Verifying the Download

It’s important to verify the integrity of the downloaded ISO file to ensure it hasn’t been corrupted during the download process. This can be done by checking the SHA256 checksum provided on the Ubuntu website.

Installing Ubuntu 20.04 Server

With your bootable USB drive ready, you can proceed to install Ubuntu 20.04 Server on your hardware.

Installation Process Overview

The installation process involves booting from the USB drive, configuring your server settings, and following the on-screen instructions to complete the setup. During installation, you’ll be prompted to select your language, configure your network, choose a disk to install Ubuntu on, and set up user accounts and passwords.

Network Configuration and Package Selection

During installation, you’ll have the opportunity to configure your network settings and select additional software packages to install. This can include server roles like DNS server, web server, or database server.

Post-Installation Configuration

After installing Ubuntu 20.04 Server, there are several post-installation steps you should take to ensure your server is secure and up-to-date.

Updating and Upgrading Packages

Run the following commands to update and upgrade your system packages to the latest versions:

sudo apt update
sudo apt upgrade

Configuring Firewall and Security Settings

Ubuntu 20.04 Server comes with ufw (Uncomplicated Firewall) pre-installed. You can configure it to allow or deny traffic to your server. Additionally, consider setting up fail2ban to protect against brute-force attacks.

Optimizing Ubuntu 20.04 Server Performance

To get the most out of your Ubuntu server, consider implementing performance optimizations such as:

  • Configuring swappiness to manage swap usage.
  • Using tasksel to install performance-optimized server stacks.
  • Setting up a RAM disk for frequently accessed files.

Frequently Asked Questions

Is Ubuntu 20.04 Server free to download and use?

Yes, Ubuntu 20.04 Server is free to download and use. Canonical, the company behind Ubuntu, provides the server edition at no cost.

Can I upgrade from an older version of Ubuntu Server to 20.04?

Yes, you can upgrade from an older version of Ubuntu Server to 20.04. However, it’s recommended to perform a fresh installation for the best performance and stability.

Does Ubuntu 20.04 Server come with a graphical user interface?

By default, Ubuntu 20.04 Server does not come with a graphical user interface (GUI). It’s designed to be managed via the command line or through web-based control panels.

How long will Ubuntu 20.04 Server be supported?

Ubuntu 20.04 Server is an LTS (Long Term Support) release, which means it will be supported for five years from its release date, until April 2025.

Can I use Ubuntu 20.04 Server for my home server?

Absolutely! Ubuntu 20.04 Server is suitable for both home servers and enterprise environments. Its ease of use and stability make it a great choice for home server projects.

References and Further Reading

For more information on Ubuntu 20.04 Server, consider the following resources:

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