How to Download Ubuntu Server
Ubuntu Server is a server operating system developed by Canonical that runs on all major architectures: x86-64, ARM v7, ARM64, POWER8, POWER9, IBM Z and LinuxONE (s390x) and RISC-V. Ubuntu Server is a versatile and scalable platform that can handle a variety of workloads such as web hosting, cloud computing, database management, file sharing, container deployment, and more.
In this article, we will show you how to download Ubuntu Server and install it on your hardware or virtual machine. We will also cover some of the benefits and features of Ubuntu Server, as well as the system requirements and installation steps.
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What is Ubuntu Server and why use it?
Ubuntu Server is a variant of the standard Ubuntu desktop operating system that is tailored for networks and services. Unlike the desktop version, Ubuntu Server does not include a graphical user interface (GUI), but instead uses a text-based installer and a command-line interface (CLI). This makes it more efficient and secure for server applications.
Ubuntu Server is an open-source software platform that runs everywhere from the PC to the server and the cloud. It is based on Debian Linux and follows a regular release cycle that provides access to the latest and most performant open source technologies. It also offers long-term support (LTS) releases that receive security updates for five years by default, or up to 10 years with an optional subscription.
What are the benefits and features of Ubuntu Server?
Some of the benefits and features of using Ubuntu Server include:
Regular security updates and long-term support. Ubuntu Server receives standard security updates for around 2,500 packages in the Ubuntu Main repository for five years by default. Every six months, interim releases bring new features, while hardware enablement updates add support for the latest machines to all supported LTS releases. All Ubuntu Advantage for Infrastructure subscriptions include Expanded Security Maintenance (ESM) increasing the support life-cycle to up to 10 years. Ubuntu Pro subscriptions expands security maintenance to over 30,000 packages for 10 years and provides optional, enterprise-grade phone and ticket support by Canonical.
Capacity to scale-out to meet your precise needs. Ubuntu Server can scale from a simple file server to a 50,000-node cloud with ease. It supports various architectures such as x86-64, ARM v7, ARM64, POWER8/POWER9, IBM Z/LinuxONE (s390x) and RISC-V. It also integrates with popular cloud platforms such as AWS, Azure, Google Cloud Platform (GCP), VMware, OpenStack, Kubernetes, MAAS, Multipass, LXD, Juju, Snapcraft, MicroK8s, Charmed Kubernetes, Anbox Cloud, and more.
Efficient use of resources with modest hardware requirements. Ubuntu Server has a lean initial installation that requires only 512 MB of RAM, 1 GHz CPU, and 1 GB disk space (or more depending on your needs). It also has integrated deployment and application modelling technologies that make it easy to deploy and manage at scale. You can use tools such as Netplan, Subiquity, Curtin, cloud-init, autoinstall, Landscape, Livepatch, etc. to automate and optimize your server operations.
What are the system requirements for Ubuntu Server?
The recommended system requirements for installing Ubuntu Server are:- 1 GHz processor (2 GHz dual core for better performance) - 512 MB RAM (2 GB for a comfortable usage) - 1.5 GB of hard-drive space (25 GB if you want a standard system) - A network or Internet connection - A USB port or a DVD drive for the installation media
Downloading Ubuntu Server
The first step to install Ubuntu Server is to download the ISO image file from the official website. You can choose between the latest interim release or the latest LTS release, depending on your preference and needs. The interim releases are more up-to-date but less stable, while the LTS releases are more stable but less cutting-edge. You can also choose between different architectures and flavors of Ubuntu Server, such as minimal, live, or pre-installed.
To download Ubuntu Server, follow these steps:
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Go to and select the version and architecture you want.
Click on the green button that says "Download" and save the ISO file to your computer.
Verify the integrity of the downloaded file by checking its SHA256 checksum against the one provided on the website. You can use tools such as sha256sum or HashTab to do this.
How to create a bootable USB or DVD with Ubuntu Server?
Once you have downloaded the ISO file, you need to create a bootable USB or DVD with it. This will allow you to boot your computer from the install media and start the installation process. There are different ways to create a bootable USB or DVD with Ubuntu Server, depending on your operating system and preference. Here are some of the most common methods:
Using Rufus on Windows
Rufus is a free and open-source tool that can create bootable USB drives from ISO files. It is fast, easy to use, and supports various formats and modes. To use Rufus to create a bootable USB with Ubuntu Server, follow these steps:
Download Rufus from and run it on your Windows computer.
Insert a USB drive of at least 4 GB capacity and make sure it is detected by Rufus.
Select the USB drive from the "Device" dropdown menu.
Click on the "SELECT" button and browse to the location of the Ubuntu Server ISO file.
Leave the other options as default, unless you want to change them.
Click on the "START" button and wait for Rufus to create the bootable USB.
Using Etcher on macOS
Etcher is another free and open-source tool that can create bootable USB drives from ISO files. It is simple, elegant, and cross-platform. To use Etcher to create a bootable USB with Ubuntu Server, follow these steps:
Download Etcher from and install it on your macOS computer.
Insert a USB drive of at least 4 GB capacity and make sure it is detected by Etcher.
Launch Etcher and click on the "Flash from file" button.
Select the Ubuntu Server ISO file from your computer.
Select the USB drive from the list of available drives.
Click on the "Flash!" button and wait for Etcher to create the bootable USB.
Using dd on Linux
dd is a command-line utility that can copy and convert data between files or devices. It is powerful, versatile, and widely available on Linux systems. However, it can also be dangerous if used incorrectly, so be careful when using it. To use dd to create a bootable USB with Ubuntu Server, follow these steps:
Insert a USB drive of at least 4 GB capacity and make sure it is not mounted by your system.
Open a terminal window and run the command lsblk to list all the block devices on your system.
Identify the device name of your USB drive (e.g., /dev/sdb) and make sure you don't confuse it with any other device.
Run the command sudo dd if=/path/to/ubuntu-server.iso of=/dev/sdx bs=4M status=progress, replacing /path/to/ubuntu-server.iso with the location of the Ubuntu Server ISO file and /dev/sdx with the device name of your USB drive. This command will copy the ISO file to the USB drive and make it bootable. The bs=4M option sets the block size to 4 MB for faster copying, and the status=progress option shows the progress and speed of the operation.
Wait for the command to finish and then eject the USB drive safely.
Installing Ubuntu Server
Now that you have created a bootable USB or DVD with Ubuntu Server, you are ready to install it on your hardware or virtual machine. The installation process is straightforward and guided by a text-based installer that asks you a series of questions and configures your system accordingly. To install Ubuntu Server, follow these steps:
Insert the bootable USB or DVD into your computer or virtual machine and power it on.
Select your preferred language from the menu and press Enter.
Select "Install Ubuntu Server" from the menu and press Enter.
Select your keyboard layout and press Enter.
Select your network interface and configure your network settings (such as IP address, gateway, DNS, etc.) if needed. You can also use DHCP to automatically obtain an IP address from your router or server. Press Enter to continue.
Select your proxy settings if you use one, or leave it blank if you don't. Press Enter to continue.
Select your mirror server for downloading updates and packages. You can choose the default one or a different one that is closer to your location. Press Enter to continue.
Select your storage layout and partitioning scheme. You can choose from several predefined options (such as use an entire disk, use an entire disk and set up LVM, use an entire disk and set up ZFS, etc.) or create a custom layout manually. Press Enter to continue.
Select your profile settings, such as your hostname, username, password, and SSH setup. You can also import your SSH identity from GitHub or Launchpad if you have one. Press Enter to continue.
Select your software selection from a list of available options (such as standard system utilities, OpenSSH server, LAMP server, mail server, PostgreSQL database, etc.). You can also choose nothing if you want a minimal installation. Press Enter to continue.
Wait for the installer to download and install the selected packages and updates. This may take some time depending on your network speed and software selection.
When the installation is complete, remove the install media and press Enter to reboot your system.
Conclusion
Congratulations! You have successfully downloaded and installed Ubuntu Server on your hardware or virtual machine. You can now log in with your username and password and start using your server for whatever purpose you have in mind. You can also customize and optimize your server further by installing additional packages, configuring services, securing access, monitoring performance, etc.
For more information and documentation on Ubuntu Server, you can visit the following links:
: The official website of Ubuntu Server.
: The official documentation of Ubuntu Server.
: The official forum of Ubuntu Server.
: A community-driven Q&A site for Ubuntu users and developers.
FAQs
Here are some frequently asked questions about Ubuntu Server:
What is the difference between Ubuntu Server and Ubuntu Desktop?
Ubuntu Server and Ubuntu Desktop are two variants of the same operating system that are designed for different use cases. Ubuntu Server is optimized for networks and services, while Ubuntu Desktop is optimized for personal computing and productivity. Ubuntu Server does not include a graphical user interface (GUI), but instead uses a text-based installer and a command-line interface (CLI). Ubuntu Desktop includes a GUI and a graphical installer that are more user-friendly and intuitive.
How do I update Ubuntu Server?
You can update Ubuntu Server by using the apt package manager that comes pre-installed with the system. To update Ubuntu Server, run the following commands in a terminal window:
sudo apt update: This command will update the list of available packages from the mirror server. sudo apt upgrade: This command will upgrade the installed packages to their latest versions. sudo apt dist-upgrade: This command will upgrade the installed packages to their latest versions, as well as install any new dependencies or remove any obsolete ones. How do I access Ubuntu Server remotely?
You can access Ubuntu Server remotely by using the Secure Shell (SSH) protocol that allows you to establish a secure and encrypted connection between two computers over a network. To access Ubuntu Server remotely, you need to have an SSH client on your local computer and an SSH server on your remote server. You also need to know the IP address or hostname of your remote server, as well as the username and password or SSH key of your remote user.
To access Ubuntu Server remotely, follow these steps:
Install an SSH client on your local computer if you don't have one already. Some popular SSH clients are PuTTY, MobaXterm, and OpenSSH.
Install an SSH server on your remote server if you don't have one already. You can do this by running the command sudo apt install openssh-server on your remote server.
Enable and start the SSH service on your remote server by running the commands sudo systemctl enable ssh and sudo systemctl start ssh on your remote server.
Configure the SSH settings on your remote server if needed. You can do this by editing the file /etc/ssh/sshd_config on your remote server. For example, you can change the port number, the authentication method, the allowed users, etc. You can also use tools such as UFW or Fail2ban to secure your SSH access.
Connect to your remote server from your local computer by using your SSH client. You will need to provide the IP address or hostname of your remote server, the port number (if different from the default 22), the username and password or SSH key of your remote user, and any other options you want. For example, if you use PuTTY, you can enter these information in the fields of the main window and click on "Open". If you use OpenSSH, you can run the command ssh user@host -p port in a terminal window.
How do I install a graphical user interface (GUI) on Ubuntu Server?
By default, Ubuntu Server does not include a graphical user interface (GUI), but instead uses a text-based installer and a command-line interface (CLI). This makes it more efficient and secure for server applications. However, if you want to install a GUI on Ubuntu Server for some reason, you can do so by using the apt package manager. You can choose from various desktop environments (DEs) or window managers (WMs) that are available for Ubuntu Server, such as GNOME, KDE, XFCE, LXDE, etc.
To install a GUI on Ubuntu Server, follow these steps:
Update your package list by running the command sudo apt update.
Install the GUI package of your choice by running the command sudo apt install package-name, replacing package-name with the name of the GUI package you want. For example, if you want to install GNOME, you can run the command sudo apt install ubuntu-desktop. If you want to install KDE, you can run the command sudo apt install kubuntu-desktop. You can also use tasksel to install a GUI package more easily.
Reboot your system by running the command sudo reboot.
Login to your GUI session with your username and password.
How do I uninstall Ubuntu Server?
If you want to uninstall Ubuntu Server from your hardware or virtual machine, you have two main options: erase the entire disk or delete the partition where Ubuntu Server is installed. The first option will remove everything from your disk, including other operating systems or data that you may have. The second option will only remove Ubuntu Server and leave other partitions intact. However, you may need to repair or reinstall the bootloader of another operating system if it was overwritten by Ubuntu Server.
To uninstall Ubuntu Server, follow these steps:
Create a bootable USB or DVD with another operating system that you want to install or use instead of Ubuntu Server.
Insert the bootable USB or DVD into your computer or virtual machine and power it on.
Select "Install" or "Try" from the menu of the new operating system.
Select "Erase disk and install" or "Something else" from the installation type menu of the new operating system.
If you choose "Erase disk and install", follow the instructions on the screen and wait for the new operating system to erase the disk and install itself.
If you choose "Something else", select the partition where Ubuntu Server is installed and click on the "Delete" button. You can also resize or create other partitions as you wish. Then, select the partition where you want to install the new operating system and click on the "Install Now" button. Follow the instructions on the screen and wait for the new operating system to install itself.
Reboot your system and enjoy your new operating system.
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