How to Download Ubuntu Server 20.04
Ubuntu Server is a popular and powerful server operating system that can run on various architectures and platforms. It can serve as a web server, file server, database server, cloud server, container host, and more. In this article, you will learn how to download and install Ubuntu Server 20.04 LTS, which is the latest long-term support release of Ubuntu Server.
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What is Ubuntu Server and why use it?
Ubuntu Server is an open source operating system developed by Canonical and the Ubuntu community. It is based on Debian Linux and uses the same package management system (APT) and command-line interface (Bash). Ubuntu Server is designed to be fast, secure, scalable, and reliable. It supports a wide range of hardware and software, including x86-64, ARM, POWER, IBM System z, LinuxONE, RISC-V, AWS, Azure, GCP, VMware, Oracle VirtualBox, and more.
What are the benefits of Ubuntu Server 20.04 LTS?
Ubuntu Server 20.04 LTS is the latest long-term support release of Ubuntu Server, which means it will receive security updates and bug fixes for five years by default, until April 2025. However, you can extend the support period for up to ten years by subscribing to the ESM (Extended Security Maintenance) service as part of the UA-I (Ubuntu Advantage for Infrastructure) subscription.
Some of the benefits of Ubuntu Server 20.04 LTS are:
It comes with Linux kernel 5.4, which adds support for new hardware and features, such as improved boot speed, power-saving, USB-C, WireGuard VPN, SmartNICs, etc.
It offers SSH two-factor authentication, which enhances the security of remote access by requiring a physical device or an authenticator app in addition to passwords or keys.
It has a more resilient bootloader, which can recover from failures or corruption by using a backup copy of the bootloader stored in a separate partition.
It provides Ubuntu Pro images for public clouds, which are premium versions of Ubuntu Server with additional features and benefits, such as kernel live patching, compliance certifications, hardening profiles, etc.
It includes many other improvements and updates for various packages and applications, such as QEMU, libvirt, PHP, Ruby, GCC, Python, MySQL, OpenLDAP, Samba, etc.
Prerequisites
Before you can download and install Ubuntu Server 20.04 LTS, you need to meet some hardware and software requirements:
You need a computer with at least 512 MB of RAM, 1 GHz CPU, and 1 GB of disk space (or more if you want to install additional features).
You need to download the Ubuntu Server 20.04 ISO image from . You can choose from different architectures depending on your hardware.
You need to create a bootable media (DVD or USB) from the ISO image using your current operating system. You can use tools like Rufus or Etcher to create a bootable USB drive or use your burning software to burn the ISO image to a blank DVD.
Installation steps
Once Once you have the bootable media ready, you can follow these steps to install Ubuntu Server 20.04 LTS: Booting from the bootable media
Insert the bootable media into your computer and restart it. You may need to change the boot order in your BIOS or UEFI settings to boot from the DVD or USB drive. You should see a screen like this:
Choose the language you want to use for the installation and press Enter. You will see another screen like this:
Select Install Ubuntu Server and press Enter to start the installation process.
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Choosing the language and keyboard layout
The installer will ask you to choose the language and keyboard layout for your system. You can use the arrow keys and Enter to select your options, or press F3 to change the language of the installer. You should see screens like these:
Updating the installer (optional)
The installer will check if there are any updates available for itself. If there are, you can choose to update the installer or continue with the current version. Updating the installer may take some time depending on your internet connection speed. You should see a screen like this:
Select Update Installer or Continue without updating and press Enter.
Configuring the network (optional)
The installer will try to detect your network settings automatically. If it succeeds, you will see a screen like this:
You can review and modify the network settings if you want, or press Done to accept them. If the installer fails to detect your network settings, you will see a screen like this:
You can choose to configure the network manually or skip it for now. You can always configure the network later after the installation is complete.
Selecting the storage configuration
The installer will scan your disk(s) and present you with some options for configuring the storage layout. You can choose from different presets, 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 by selecting Manual. You should see a screen like this:
Select the option that suits your needs and press Enter. If you choose a preset option, you will see a confirmation screen like this:
Review the changes that will be made to your disk(s) and press Done to confirm them.
Creating a user account and setting a hostname
The installer will ask you to create a user account for yourself and set a hostname for your system. You should see screens like these:
Enter your name, username, password, and hostname, and press Done to continue.
Confirming the installation settings and starting the installation
The installer will show you a summary of all the settings you have chosen so far. You should see a screen like this:
Review the settings and press Install to begin the installation process. The installation may take some time depending on your hardware and internet connection speed.
Conclusion
Congratulations! You have successfully downloaded and installed Ubuntu Server 20.04 LTS on your computer. You can now reboot your system and start using Ubuntu Server for your needs.
If you want to learn more about Ubuntu Server, you can visit . You can also check out some of these useful resources:
How to install GUI on Ubuntu Server 20.04Here is the rest of the article:
Monitoring the system performance on Ubuntu Server 20.04
One of the essential tasks of a system administrator is to monitor the system performance and identify any potential issues or bottlenecks. Monitoring the system performance can help you optimize the resource utilization, troubleshoot problems, and plan for future upgrades or expansions.
There are many tools and systems available for monitoring Ubuntu server performance, ranging from simple command-line utilities to complex web-based applications. In this article, we will introduce some of the most popular and useful ones that you can use on your Ubuntu Server 20.04.
Sematext Monitoring
Sematext Monitoring is a full-stack observability tool that provides comprehensive monitoring capabilities for Ubuntu servers and other Linux distributions. It can monitor various aspects of your system, such as CPU, memory, disk, network, processes, logs, events, etc. It can also monitor specific applications and services, such as Apache, Nginx, MySQL, MongoDB, Redis, Elasticsearch, etc.
Sematext Monitoring offers a user-friendly web interface that allows you to visualize and analyze your system metrics in real-time. You can create custom dashboards, alerts, reports, and integrations with other tools. You can also use the Sematext agent or API to collect and send data from your servers to the Sematext cloud or on-premises.
To use Sematext Monitoring on Ubuntu Server 20.04, you need to sign up for a free account and install the Sematext agent on your server. You can follow the instructions on to get started.
Nagios
Nagios is a mature and popular monitoring tool that can monitor Ubuntu servers and other Linux distributions. It can monitor various aspects of your system, such as CPU, memory, disk, network, processes, services, etc. It can also monitor specific applications and plugins using the Nagios Plugin API.
Nagios offers a web interface that allows you to view and manage your system status and alerts. You can also use the Nagios Core or Nagios XI versions to access more features and functionalities. You can also extend Nagios with add-ons and integrations with other tools.
To use Nagios on Ubuntu Server 20.04, you need to install the Nagios Core or Nagios XI packages on your server. You can follow the instructions on to get started.
SolarWinds Server & Application Monitor
SolarWinds Server & Application Monitor is an advanced and user-friendly tool for server and application monitoring. It can monitor Ubuntu servers and other Linux distributions. It can monitor various aspects of your system, such as CPU, memory, disk, network, processes, services, etc. It can also monitor specific applications and services using built-in templates or custom scripts.
SolarWinds Server & Application Monitor offers a web interface that allows you to visualize and manage your system metrics and alerts. You can also use the SolarWinds Orion Platform to access more features and functionalities. You can also extend SolarWinds Server & Application Monitor with add-ons and integrations with other tools.
To use SolarWinds Server & Application Monitor on Ubuntu Server 20.04, you need to install the SolarWinds agent on your server. You can follow the instructions on to get started.
Glances
Glances is a cross-platform tool that provides a comprehensive overview of your system resources. It can monitor various aspects of your system, such as CPU, memory, disk, network, processes, sensors, file systems, etc. It can also monitor specific applications using plugins or custom scripts.
Glances offers a terminal-based interface that allows you to view your system metrics in real-time. You can also use the Glances web interface or API to access more features and functionalities. You can also extend Glances with add-ons and integrations with other tools.
To use Glances on Ubuntu Server 20.04, you need to install the Glances package on your server. You can follow the instructions on to get started.
Stacer
Stacer is a GUI-based tool that allows you to optimize and monitor your Ubuntu system. It can monitor various aspects of your system Stacer is a GUI-based tool that allows you to optimize and monitor your Ubuntu system. It can monitor various aspects of your system, such as CPU, memory, disk, network, processes, services, etc. It can also perform various tasks, such as cleaning up the system, managing startup applications, uninstalling packages, etc.
Stacer offers a graphical interface that allows you to view and manage your system metrics and settings. You can also use the Stacer command-line interface to access some features and functionalities. You can also extend Stacer with add-ons and integrations with other tools.
To use Stacer on Ubuntu Server 20.04, you need to install the Stacer package on your server. You can follow the instructions on to get started.
Conclusion
In this article, you have learned how to download and install Ubuntu Server 20.04 LTS on your computer. You have also learned about some of the benefits and features of Ubuntu Server 20.04 LTS. Finally, you have learned about some of the tools and systems that you can use to monitor your Ubuntu server performance.
We hope that this article has been helpful and informative for you. If you have any questions or feedback, please feel free to leave a comment below. Thank you for reading!
FAQs
How to enable SSH two-factor authentication on Ubuntu Server 20.04?
SSH two-factor authentication is a security feature that requires a user to provide a second factor of authentication in addition to a password or a key when logging in via SSH. This can prevent unauthorized access or brute-force attacks on your server.
To enable SSH two-factor authentication on Ubuntu Server 20.04, you need to install the libpam-google-authenticator package and configure the PAM (Pluggable Authentication Modules) and SSH settings. You can follow the steps in to set it up.
How to install WireGuard VPN on Ubuntu Server 20.04?
WireGuard VPN is a modern and fast VPN protocol that uses state-of-the-art cryptography and simple configuration. It can create secure and private connections between your server and other devices over the internet.
To install WireGuard VPN on Ubuntu Server 20.04, you need to add the WireGuard PPA (Personal Package Archive) and install the wireguard package. You also need to generate the keys and configure the WireGuard settings. You can follow the steps in to set it up.
How to extend security updates for Ubuntu Server 20.04?
By default, Ubuntu Server 20.04 LTS will receive security updates and bug fixes for five years until April 2025. However, if you want to extend the support period for up to ten years, you can subscribe to the ESM (Extended Security Maintenance) service as part of the UA-I (Ubuntu Advantage for Infrastructure) subscription.
The ESM service provides access to critical and important security updates for Ubuntu Server 20.04 LTS after the standard support period ends. It also provides access to other benefits, such as kernel live patching, compliance certifications, hardening profiles, etc.
To extend security updates for Ubuntu Server 20.04 LTS, you need to register your server with the UA-I subscription and enable the ESM service. You can follow the steps in to set it up.
How to access Ubuntu Pro images for public clouds?
Ubuntu Pro images are premium versions of Ubuntu Server that are optimized for public clouds, such as AWS, Azure, and GCP. They offer additional features and benefits over the standard Ubuntu Server images, such as kernel live patching, compliance certifications, hardening profiles, etc.
To access Ubuntu Pro images for public clouds, you need to have an account with the cloud provider of your choice and launch an instance using the Ubuntu Pro image from their marketplace. You can find more information about Ubuntu Pro images on .
How to get support for Ubuntu Server 20.04?
If you need support for Ubuntu Server 20.04 LTS, you have several options available:
You can visit for more information and guidance on Ubuntu Server 20.04 LTS.
You can ask questions and get answers from other Ubuntu users and experts on .
You can report bugs and issues on and get feedback from the developers and maintainers.
You can subscribe to the UA-I (Ubuntu Advantage for Infrastructure) subscription and get access to professional support from Canonical, the company behind Ubuntu. You can find more information about UA-I on .
I hope this article has been helpful and informative for you. If you have any questions or feedback, please feel free to leave a comment below. Thank you for reading! 44f88ac181
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