Start a KVM VPS from an ISO already mounted

Procédure

To start your KVM VPS on an ISO image that is already mounted, simply restart the server from the management panel. The KVM system automatically gives priority to the virtual drive as long as the media remains attached. You can then follow the boot process step by step via the integrated VNC console.

The steps

  1. Access your VPS server management

    Log in to your LWS customer area, go to the Servers tab, then click the Manage button next to your KVM VPS.

    Start a KVM VPS from an ISO already mounted
  2. Create a preventive snapshot

    In the left-hand side menu, click on Snapshots. Then click the + Create a snapshot button to freeze the current state of your system before making any changes.

    Start a KVM VPS from an ISO already mounted
  3. Check that the mounted ISO image is present

    Open the ISO Images menu to make sure your image file is correctly mounted on the virtual drive. As long as the image is attached, the KVM hypervisor will automatically boot the machine from this media without any additional boot order setting being necessary.

    Start a KVM VPS from an ISO already mounted
  4. Restart the VPS to boot from the ISO

    Go to the Power section in the left menu, then click the Restart button. This action sends a clean signal to the machine to apply the restart and launch the virtual media.

    Start a KVM VPS from an ISO already mounted
  5. Follow the boot process in the VNC console

    Click Console in the side panel to open the noVNC window and view the system loading live. This gives you access to the boot screen or the troubleshooting tools provided by your ISO image.

    Start a KVM VPS from an ISO already mounted
  6. Unmount the ISO and restart the server from its disk

    Once your operations are complete, go back to the ISO Images section and click the red Unmount image button. Then go to Power and click Restart again to launch your original operating system.

    Start a KVM VPS from an ISO already mounted
  7. Check the server status in the Overview

    Consult the Overview tab in the side menu to monitor your virtual machine indicators. The list of recent activities lets you confirm that the ISO has been detached and that the system has restarted successfully.

    Start a KVM VPS from an ISO already mounted

Frequently asked questions

Do I need to change the boot order in the BIOS to start from the ISO?

No, no BIOS setting or boot order menu adjustment is required. As soon as a file is present in the ISO Images section, the KVM infrastructure automatically assigns boot priority to the virtual drive on the next restart.

Does restarting the VPS interrupt my Docker services?

Yes, restarting the virtual server briefly interrupts the host operating system as well as any running containers or services. They will resume normal operation once the server has restarted on its original disk.

What should I do if the VPS keeps booting from the ISO image?

The server will continue to boot the image as long as it remains attached to the virtual drive. To return to your usual system, you must go to ISO Images, click the red Unmount image button, then restart the machine from the Power section.

Is there an alternative to the ISO for troubleshooting my KVM VPS?

Yes, you can use the Rescue Mode section accessible directly from the side menu of your KVM panel. This feature allows the server to boot into a minimal Linux network environment to diagnose and repair the system without manually mounting an ISO.

Can I use the restart button available directly in the VNC console?

Yes, the top bar of the VNC console offers a Restart VM button. It has the same effect as the Restart button in the Power section and allows you to immediately reboot the machine while keeping the screen in view.

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