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自动选题[tech]: 20230904 Boot From a USB Drive in VirtualBox in Linux
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[#]: subject: "Boot From a USB Drive in VirtualBox in Linux"
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[#]: via: "https://itsfoss.com/virtualbox-boot-from-usb/"
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[#]: author: "Sagar Sharma https://itsfoss.com/author/sagar/"
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[#]: collector: "lujun9972/lctt-scripts-1693450080"
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[#]: translator: " "
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[#]: reviewer: " "
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[#]: publisher: " "
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[#]: url: " "
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Boot From a USB Drive in VirtualBox in Linux
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======
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Got a live Linux USB? The usual way to test it on your current system is to reboot and choose to boot from the live USB when the system restarts.
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But that's annoying as you need to quit working on your computer and restart it.
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A less disruptive way is to use a VM.
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Yes, you can boot from a USB in a virtual machine with VirtualBox. This way, you don't have to install a distribution in VM just to try it. Use the live session instead.
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In this tutorial, I'll show the steps to boot from a USB drive in VirtualBox on Linux systems. It takes some time and effort but saves you from rebooting your system.
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### Boot from USB drive in VirtualBox in Linux
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Since this is a tutorial for advanced users, I am leaving out a few steps that you need beforehand**:**
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* VirtualBox installed on your Linux system
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* A live Linux USB, preferably [Using Ventoy][1]
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![][2]
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This guide is divided into three parts:
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* Create a virtual machine disk file
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* Boot using USB in VM
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* Removing virtual machine disk (optional)
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So let's start with the first one.
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#### Step 1: Create a virtual machine disk file (VMDK)
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First, you need to identify the disk name of the USB drive, and to do so, you have to [list the drives of your system][3].
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For that purpose, I'm going to use the lsblk command:
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```
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lsblk
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```
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![][4]
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🚧
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Make sure to use the disk name without any numbers. In my case, Ventoy is named with sdb1 but still, I have to use the sdb only.
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From the above image, you can see, Ventoy is listed having the `sdb1` but you have to use the name without any numbers. This means I have to use the `sdb` only, or else, it will throw an error.
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Once you find your drive name, use the VBoxManage command in the following command to create
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```
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sudo VBoxManage createmedium disk --filename=/path/to/rawdisk.vmdk --variant=RawDisk --format=VMDK --property RawDrive=/dev/sda
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```
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In the above command, replace the path with `/path/to/rawdisk.vmdk` to where you want to save the file and `/dev/sda` with your target drive.
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In my case, I want to create a file named `IF.vmdk` in my home directory and my target drive is `/dev/sdb`, then, I will be using the following:
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📋
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You have to give an absolute path to create the vmdk file!
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```
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sudo VBoxManage createmedium disk --filename=/home/sagar/IF.vmdk --variant=RawDisk --format=VMDK --property RawDrive=/dev/sdb
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```
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![][5]
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And finally, change the permissions using the chmod command:
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```
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sudo chmod 777 Filename.vmdk
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```
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![][6]
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#### Step 2: Boot from USB in VirtualBox in Linux
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First, open the VirtualBox from your system menu and click on the `New` button.
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There, name your VM and select the operating system type and its version:
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![][7]
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Now, click on the `Next` button and it will ask you to allocate hardware resources for your VM:
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![][8]
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Once you are done allocating the hardware resources, click on the `Next` button.
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Here, you will find an option to create or add a virtual disk. Now, follow 3 simple steps:
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* Select the 2nd option saying `Use an Existing Virtual Hard Disk File`.
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* Click on the `File` icon.
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* Hit the `Add` button and select the file ending the `.vmdk` that you created recently.
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![][9]
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Once you select the file, it will show you the name of the file, select it and hit the `Choose` option:
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![][10]
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It will show you the file that has been selected to boot from. Click on the next and it will show the summery of choices you've made.
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Hit the `Finish` button:
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![][11]
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That's it! The VM has been created.
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To start the VM, first, select the VM and hit the start button:
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![][12]
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As my USB had Ventoy, you can see, multiple distros listed here:
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![][13]
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Pretty cool. Right?
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#### Step 3: Remove VM with vmdk file (optional)
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When I tried removing the vmdk file after deleting the VM, sure, it was getting deleted but whenever I tried creating a new file having the same name, it gave me an error saying the file already exists!
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So here, I will walk you through how you can remove the VM with the vmdk file.
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First, turn off the VM and remove it
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![][14]
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Now, if you try to remove the vmdk file [using the rm command][15] and elevated privileges, you can remove it (but there's where the illusion starts).
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For example, here, I removed the IF.vmdk file:
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```
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sudo rm IF.vmdk
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```
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![][16]
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And now, if I try to create a new vmdk file with the same name, it gives me an error saying the file already exists:
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![][17]
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To remove the vmdk file, first, you have to unregister the file using the following:
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```
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sudo VBoxManage closemedium disk /path/to/MyDrive.vmdk
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```
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![][18]
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Once done, you can remove the file using the rm command and it will be removed easily:
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```
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sudo rm Filename.vmdk
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```
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And then, if you try to create a vmdk file with the same filename, you can do that:
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![][19]
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There you have it!
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### More VM tips
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If you are looking for the fastest VM, you can use the combination of Qemu + KVM. I know it sounds complex.
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But to make things easy, we made a dedicated guide on how to install and use Qemu on Ubuntu including enabling shared folders, clipboard, and auto-resizing:
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![][2]
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I hope you will find this guide helpful.
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--------------------------------------------------------------------------------
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via: https://itsfoss.com/virtualbox-boot-from-usb/
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作者：[Sagar Sharma][a]
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选题：[lujun9972][b]
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译者：[译者ID](https://github.com/译者ID)
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校对：[校对者ID](https://github.com/校对者ID)
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本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创编译，[Linux中国](https://linux.cn/) 荣誉推出
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[a]: https://itsfoss.com/author/sagar/
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[b]: https://github.com/lujun9972
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[1]: https://itsfoss.com/use-ventoy/
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[2]: https://itsfoss.com/content/images/size/w256h256/2022/12/android-chrome-192x192.png
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[3]: https://linuxhandbook.com/linux-list-disks/
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[4]: https://itsfoss.com/content/images/2023/07/list-drives-in-Linux.png
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[5]: https://itsfoss.com/content/images/2023/07/create-virtual-machine-disk-drive-for-virtualbox-to-boot-from-USB-drive-in-Linux.png
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[6]: https://itsfoss.com/content/images/2023/07/use-chmod-command-to-change-the-permissions.png
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[7]: https://itsfoss.com/content/images/2023/07/Create-VM-in-VirtualBox-to-boot-from-USB-in-Linux.png
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[8]: https://itsfoss.com/content/images/2023/07/allocate-RAM-and-cores-to-Vm-to-boot-from-USB-in-VirtualBox-in-Linux.png
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[9]: https://itsfoss.com/content/images/2023/07/add-virtual-machine-disk-drive-in-VirtualBox-to-boot-from-USB-in-Linux.png
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[10]: https://itsfoss.com/content/images/2023/07/select-the-vmdk-file.png
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[11]: https://itsfoss.com/content/images/2023/07/Finish-the-VM-creation-to-boot-from-USB-in-VirtualBox-in-Linux.png
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[12]: https://itsfoss.com/content/images/2023/07/start-the-VM.png
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[13]: https://itsfoss.com/content/images/2023/07/Boot-from-USB-in-VirtualBox-in-Linux.png
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[14]: https://itsfoss.com/content/images/2023/07/Remove-VM-from-VirtualBox.png
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[15]: https://linuxhandbook.com/remove-files-directories/
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[16]: https://itsfoss.com/content/images/2023/07/use-rm-command-to-remove-vmdk-file.png
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[17]: https://itsfoss.com/content/images/2023/07/unable-to-create-vmdk-file-in-Linux--file-already-exist.png
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[18]: https://itsfoss.com/content/images/2023/07/unregister-vmdk-file-in-Linux-to-remove-it.png
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[19]: https://itsfoss.com/content/images/2023/07/how-to-remove-the-vmdk-file-in-Linux.png
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