How to create a bootable USB installer for Ubuntu 21.04/20.04

Want to create a bootable live USB to install Ubuntu on your machine? Well, here’s how to do it on Windows, Linux, or Mac OS.

Previously I used UNetbootin to create a bootable LiveUSB. However, after burning with a recent Ubuntu ISO image, the USB drive will not boot. So here are some other USB burning tools.

I like the style Bentoi, But it doesn’t install on my USB stick for unknown reasons. If you need a USB that can boot without affecting other data transfer usage, give it a try.


First, you need a USB stick with at least 4GB of storage. And back up your data before you start.

There are also Raspberry Pis running PCs, laptops / notebooks, or Linux, Windows, or Mac OS.

Then download the Ubuntu ISO image from either Or

Create a bootable USB from Ubuntu.

That’s great if you’re currently working on Ubuntu. Just search for StartupDiskCreator and launch it. Other Ubuntu-based systems can get it by installing the usb-creator-gtk package.

When the tool opens, click More… and select the Ubuntu ISO image. It will be detected automatically when you insert the USB stick.

Finally, click “Make Startup Disk”, click “OK” to confirm, and enter the user password to start.

When complete, you will be prompted to complete the installation. that’s it.

Create a USB that can boot from other Linux, Windows, and Mac OS.

On all other systems, USBimager is recommended if system built-in tools are not available, but there are many other USB creation tools on the web.

USBimager is a free open source tool with a very simple interface. The package size is small, less than 200KB. It also works on older systems. The minimum required system is Windows XP, Mac OS 10.13. It’s also available on the Raspberry Pi.

1.) First, choose to download the USB Imager package from your system.

Download USB Imager

2.) Next, install or launch the tool, select the ISO image with the three-dot “…” button, plug it in, and then select the USB stick from the drop-down menu.

Finally, click “Burn” to start creating the USB installer.

The bottom bar shows process information along with data size and time remaining.

When completed, “Done” is displayed. An image successfully written with a “xxx” message at the bottom.

that’s it. pleasant!

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