With a bootable Ubuntu USB stick, you can:
Creating a bootable Ubuntu USB stick is very simple, especially from Ubuntu itself, and we're going to cover the process in the next few steps.
Alternatively, we also have tutorials to help you create a bootable USB stick from both Ubuntu.
You will need:
Perform the following to configure your USB device in Rufus:
For best compatibility with newer hardware, keep the Partition scheme and target system type set as MBR partition scheme for UEFI. However, if you need to use the USB stick with older hardware, change this to MBR Partition Scheme for BIOS or UEFI. To select the Ubuntu ISO file, click the optical drive icon alongside the enabled Create a bootable disk usingfield. This will open a file requester from which you can navigate to, and select, the ISO file.
The ISO will now be written to your USB stick, and the progress bar in Rufus will give you some indication of how long this will take. With a reasonably modern machine, this should just a few minutes.
Rufus will complete the write process and silently drop-back to its default window. Congratulations! You now have Ubuntu on a USB stick, bootable and ready to go.