Creating a bootable Ubuntu USB stick on MS Windows

Create a bootable Ubuntu 20.04 USB stick on MS Windows 10

Booting to a USB drive is basically the same as booting to a Ubuntu CD/DVD, except more convenient since disc media is becoming less common these days. Follow along with us below as we show you how to use free software called UNetbootin to create our bootable flash drive.

In this guide, we’ll show you how to create a bootable Ubuntu 20.04 Focal Fossa USB stick on Microsoft Windows 10. When you boot to the USB stick, you’ll be able to install Ubuntu 20.04 on the computer or use the “Try Ubuntu” option to boot into Ubuntu without actually installing the operating system on the machine.

In this tutorial you will learn:

  • How to create a bootable Ubuntu 20.04 USB stick on MS Windows

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Gnome Dekstop on Ubuntu 20.04 LTS Focal Fossa

The 8 Best Ubuntu Desktop Environments (20.04 Focal Fossa Linux)

GNOME 3.36 is a default Ubuntu 20.04 desktop environment but this does not stop you to install and use other desktop environments. In fact, you can install a desktop environment with a single command!

Our list of recommended desktops for Ubuntu 20.04 Focal Fossa Linux is complemented with links to instructions on how to install each desktop environment, which we hope will turn out to be a very useful feature of this article.

The screenshots included in this guide will give you the first impression of the desktop environments, which will hopefully help you to find the one that suits you most.

You can also see the desktop section of our Things to Install on Ubuntu 20.04 article for even more options.

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How to verify downloaded Ubuntu ISO image checksum

How to verify downloaded Ubuntu ISO image checksum

In this tutorial you will learn how to verify the authenticity of downloaded Ubuntu ISO image. The aim is to ensure that the Ubuntu downloaded ISO has not been tempered with, it is not corrupted in someway and is malware free.

In this tutorial you will learn:

  • How to obtain the correct signature key
  • How to import the correct signature key
  • How to verify the content of the checksum file
  • How to verify downloaded Ubuntu ISO image checksum

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NRPE - Nagios Remote Plugin Executor

How to setup NRPE for client side monitoring

Nrpe, or Nagios Remote Plugin Executor, is the client side service of a monitoring setup. The monitoring server will send commands to the client, which listens passively when got no work to do. Upon incoming command, the nrpe checks it’s local configuration, and executes the plugin configured with the command, then sends back the results to the server for processing. You can read more about the server side installation in the Nagios installation guide, while this guide will focus on the client side.

In this tutorial you will learn:

  • How to install NRPE on Debian/Red Hat based distributions
  • How to configure NRPE to accept commands from the server
  • How to configure a custom check on the server and client side

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