In today’s tutorial, we’ll check how easy it is to install the distribution. We’ll install Nitrux to a virtual machine in VirtualBox (sorry, I don’t have a capture card), but the process is the same on a physical computer.

Difficulty: ★☆☆☆☆

Downloading the ISO

Of course, we need to obtain the correct ISO file to install the distribution. We offer two ISO files, one with NX Desktop and one without it, for those users who prefer to use Nitrux but not NX Desktop. For this tutorial, we’ll download the ISO with NX Desktop.

We offer users various ways to download our ISO files.

Once we’ve downloaded the ISO file to our computer, we should check the file’s integrity. We do this by checking the MD5 sum.

Verifying the ISO

We include the MD5 sum of the ISO files in the release announcement for each new release and upload a file containing the sum to Sourceforge and OSDN.

If we download the files from Sourceforge or OSDN, the content of the MD5 file should be the following.

26a2503702201dff593614e9f055de1b  /tmp/tmp.Alew5HEUEK/nitrux-release-amd64_2021.12.05.iso

Likewise, we can use the terminal and the command ‘md5sum’ to check the sum of a file, for example.

> md5sum nitrux-release-amd64_2021.12.05.iso

26a2503702201dff593614e9f055de1b  nitrux-release-amd64_2021.12.05.iso

Or open the file in a text editor.

If you’re on Windows, you can use a program like Md5checker.

Once we’ve verified the file’s integrity, we’re ready to install it.

Flashing the ISO to a USB

These instructions will walk you through creating a bootable Nitrux USB stick on Windows or Linux. You can use a USB stick to boot and test out or install Nitrux on any computer that supports booting from USB.

We do not recommend you use the following programs.

  • balenaEtcher.
    • balenaEtcher performs an unknown test at the end of the flashing process, which constantly fails even though there were no errors in writing the image to the USB device.
  • Unetbootin.
    • Unetbootin does not write the image, it merely copies it to the USB device.
  • KDE ISOImageWriter
    • Fails to write the ISO image at 99%; this is a known issue of the application.

If you are using Windows and Rufus, follow these steps:

  1. Download a Nitrux ISO file, and download and install Rufus.
  2. Insert the USB flash drive into the USB port and launch Rufus.
  3. Rufus will update to set the device within the Device field. If the Device selected is incorrect (perhaps you have multiple USB storage devices), select the correct one from the device field’s dropdown menu.
  4. Now choose the Boot selection. Choices will include Non-bootable, FreeDOS, or Disk or ISO image (Please Select); since you create a bootable Nitrux device, select Disk or ISO image (Please Select).
  5. To select the Nitrux ISO file you downloaded previously, click SELECT to the right of “Boot selection.” If this is the only ISO file present in the Downloads folder, you will only see one file listed. Select the appropriate ISO file and click on Open.
  6. The default selections for the Partition scheme (GPT) and Target system (UEFI (no CSM)) are appropriate (and are the only options available).
  7. Rufus will update the Volume label to reflect the ISO selected. Leave all other parameters with their default values and click START to initiate the writing process.
  8. When prompted to select which mode to use to write this image, make sure to choose to Write in DD mode.
  9. Rufus will now write the ISO to your USB stick, and the progress bar in Rufus will give you some indication of where you are in the process. With a reasonably modern machine, this should take around 10 minutes. The total elapsed time is shown in the lower right corner of the Rufus window.
  10. When Rufus has finished writing the USB device, the Status bar will be green-filled, and the word READY will appear in the center. Select CLOSE to complete the writing process.

If you are using Windows or Linux and ROSA Image Writer, follow these steps:

  1. Download a Nitrux ISO file, and install ROSA Image Writer.
  2. Insert the USB flash drive into the USB port and launch ROSA Image Writer.
  3. Click the folder icon to browse the Nitrux ISO file and select it.
  4. Select the USB device from the dropdown menu.
  5. Click Write to initiate the writing process.

If you are using Linux and the command ‘dd,’ follow these steps:

  1. Download a Nitrux ISO file.
  2. Insert the USB flash drive into the USB port and open a Terminal window.
  3. Enter the following command in the Terminal window and hit Enter.
    • Replace /dev/sdX with the correct device. i.e., /dev/sdd
sudo dd if=nitrux.iso of=/dev/sdX oflag=sync bs=4M status=progress

Installing Nitrux

As mentioned initially, we’ll use a virtual machine for the installation. Below is a table with the settings for VirtualBox.

  • Please note that we’re enabling EFI to install the distribution, and EFI is not the default setting in a new virtual machine.
  • ⚠️  Important: If using VirtualBox 7.0, please do not enable 3D Acceleration. We strongly recommend using VirtualBox 6.1.40 instead.
VM Configuration Standard (w/ NX Desktop)
System Motherboard, CPU, RAM 4GB RAM
4 CPU Cores
EFI, VT-x/AMD-v, KVM, nested paging
Screen Graphics Controller 128MB
3D Acceleration 🚫
Storage SATA 2x Ports w/ host cache, 1x SATA 8GB hard drive (Port 1), 1x SATA optical drive (Port 0)
Audio PulseAudio, Intel HD Audio
Network Intel 82545EM Server
Serial Ports 🚫
USB 2.0, 1.1

Below is a video of the installation process. The installation process is the same in a physical computer.

Once the distribution is installed to the internal storage, you can reboot and log in to the installed system.

That’s it; this concludes today’s tutorial.


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