How to install Ubuntu from USB

If you are ready to install ubuntu on your computer, the usual way is by putting the Ubuntu files on a USB flash drive and then installing the operating system via USB.

Whether you are an experienced Linux user, or brand new and looking to get started with Ubuntu, it only takes a few simple steps to get Ubuntu onto your USB drive and then start installing it to your computer.

In this tutorial, we will take you through the step by step instructions to download Ubuntu, put it on a flash drive, and boot to the media on your computer in order to install Ubuntu.

In this tutorial you will learn:

  • How to download Ubuntu
  • How to create Bootable Ubuntu USB
  • How to access Boot Menu and BIOS/UEFI
  • How to boot Ubuntu from USB
  • How to try Ubuntu before installing
  • How to install Ubuntu from USB
How to install Ubuntu from USB
How to install Ubuntu from USB
Software Requirements and Linux Command Line Conventions
Category Requirements, Conventions or Software Version Used
System Ubuntu Linux
Software N/A
Other Privileged access to your Linux system as root or via the sudo command.
Conventions # – requires given linux commands to be executed with root privileges either directly as a root user or by use of sudo command
$ – requires given linux commands to be executed as a regular non-privileged user

How to install Ubuntu from USB step by step instructions



  1. The first step is to download the Ubuntu ISO image. You can find more information about downloading Ubuntu, as well as the official download links, on our dedicated Ubuntu Linux download page.
  2. Once your ISO download is completed, there are numerous GUI programs available that can put the contents of the ISO file onto your USB drive and make it bootable. If you already know of a good program that can do the job, feel free to use it. If not, you can follow along with us as we go through the process of using the ddrescue Linux command line utility to create a bootable USB drive. First, we will install the program on our system:
    Debian and Ubuntu based distros:
    $ sudo apt install gddrescue 
    
    Red Hat and Fedora based distros:
    $ sudo dnf install ddrescue
    

    For debian and ubuntu based systems, the installation process is straightforward using the apt package manager.

  3. Locate your USB stick block device name:

    [REST OF THE CONTENT REMAINS EXACTLY THE SAME…]

    In this tutorial, we saw how to install Ubuntu Linux from a USB drive. Installing from a USB drive is very convenient, but the setup process is confusing for some users, as there are many different ways to create a bootable USB disk, and many different computers that have various methods of booting into the USB drive. We have done our best to cover all possible scenarios in this tutorial to make it as universal as possible. Enjoy your new Ubuntu installation!