How to Create an Ubuntu Bootable Drive


There are different reasons of why to Create an Ubuntu Bootable drive. One of the reasons is to try Linux on your computer without having to install it. Basically, by connecting a bootable USB drive with the Ubuntu operating system installed in it you can run it from RAM. This is nice to check the system and the features it offers without having to format a hard drive and go through the whole process of installing an operating system.

Another reason is to have access to a full running computer with programs such as LibreOffice (the Linux version of the Microsoft Office Suite) without having the computer connected to the internet. This means that the computer is secured from external connection, meaning that there is no way a hacker can get access to the computer because there no connection to it.

After using the offline computer, restart it, remove the Ubuntu bootable drive, and there will be no trace of what you did. This is very important if you are dealing with Bitcoin and Cryptocurrencies.

One of the uses for an offline cold pc is to be able to generate Paper Wallets in a secure way. This method must be used when masking or hiding a hardware wallet’s recovery phrases just as explained in the post How to Keep Your Recovery Phrases Safe. 

In the following steps you will learn how to create an Ubuntu bootable Drive using a Microsoft Windows computer.

With an Ubuntu Bootable Drive, you can:

  • Install or run Ubuntu without touching your PC configuration.
  • Boot into Ubuntu and run a full version of it without installing it.
  • Generate Bitcoin and Cryptos paper wallets and mask your 24-word recovery phrases.

For this procedure you would need:

  • 4GB or higher capacity USB flash drive
  • A Microsoft Windows computer with XP or newer operating system.
  • A software called RUFUS which is a tool used to create bootable USB drives.
  • An ISO file of the Ubuntu operating system which can be found at the Ubuntu page
  1. The first step is to download RUFUS.

rufus program version and download page


2. Download Ubuntu ISO file by clicking on ubuntu desktop, then download.

Ubuntu desktop download page


download ubuntu desktop 18.01.1 LTS3. Run the executable RUFUS file, this software doesn’t need to be installed it runs from memory.

RUFUS main menu selection screenshot


4. Insert your USB drive in your computer. After a few seconds it should appear under “Device” if not just close and restart RUFUS then select from the dropdown menu your USB drive.                      Note: It is recommended to have only one USB drive installed at the time of doing this process.

RUFUS drive properties drive selection screenshot


5. Choose FreeDOS from the drop-down menu in the Boot Selection section. Leave the default selections in the Partition scheme to MBR and Target system to BIOS (or UEFI-                        CSM).

RUFUS drive properties boot selection screenshot

6. In this step you have to select the Ubuntu ISO image you downloaded previously. To do this click on the SELECT Button located next to the Boot Selection Menu and click Open. In the               format options you can change the Volume Label but it recommended to leave with the default label. Make sure that File System is set to FAT32 and Cluster Size to 4096 bytes (Default).         Click START.

RUFUS format options volume label file system and clustersize screenshot

7. At this point you will get a warning about required downloads, click YES to continue.

RUFUS download required warning screenshot8. In this step you will be alerted by RUFUS that it has detected an ISOHybrid Image. Leave the recommended selection Write in ISO Image mode (Recommended) and click OK to                     continue.

RUFUS ISOHybrid image detected selection screenshot

9. Another warning will appear letting you know that your USB drive is going to be deleted erasing all the data in it. Click OK to continue.

RUFUS data on drive destroyed warning screenshot

10. Now the process of creating the bootable USB drive is going to start, be patient it could take a few minutes to complete.

RUFUS copying ISO files Status screenshot

11. After the process is complete you should get a green bar saying READY, this means that you have successfully created your Ubuntu Bootable USB Drive. Click CLOSE to finish.

RUFUS Status ready after ISO has been created screenshot

Now that you know How to Create an Ubuntu Bootable Drive it can be used as mentioned before to have a full running OFFLINE computer also known as cold pc, meaning ethernet cable disconnected and WIFI adapter turned off, to create paper wallets and print them using a printer connected to your computer by a USB cable and also to print the masked 24-word recovery sheet.


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