How to Mount/Install Custom ISO on your Dedicated Server

Estimated reading time: 3 min

Install Custom ISO on your Dedicated Server

At you can install a custom operating system of your choice into your Dedicated Server. You can easily upload the ISO file and install the OS through your client area. ISO files are bootable disks that contain a file system of CD/DVD, in our case, the operating system installer.

In this tutorial, we will go through how to upload ISO into your client area and boot from it using the KVM console of your Dedicated Server. We will also look at installing the OS through the console and detaching the ISO after installation.


  • An active Dedicated server.
  • Custom ISO image available on your computer or a direct URL of the ISO file available on the internet.

Step 1: Log in to your client area

Log in to your client area via

clientarea login

Step 2: Select the server

Click on the server where you want to mount an ISO file.

mount iso

Step 3: Open Upload ISO

In the left sidebar menu click on  Upload ISO .

upload iso tab

Click on the Upload ISO button. It should open up a pop-up, in which you can either upload the ISO file from your computer or you can also provide a direct link to your ISO. If you choose to provide a link to the ISO, it will download the ISO directly from the internet.

upload iso dedicated

After clicking the Submit button, wait for ISO to become ready. You can monitor the status of ISO on the same Upload ISO tab. You should see Ready status once the ISO file is ready to use.

uploaded iso dedicated

Step 4: Connect to your Dedicated Server using KVM

Open the KVM page by clicking on KVM . Here, you will get credentials required to connect to your Dedicated server using KVM. Click on the Visit the KVM page button in order to visit the KVM page of your server.

The KVM page is only accessible through our client area

clientarea kvm

Enter the credentials obtained from the KVM tab into the KVM console(Dell iDRAC interface) and click the Login button.

iDRAC Login

Once you are successfully logged in, you will see the KVM (Dell iDRAC) Dashboard for your Dedicated Server.

iDRAC Dashboard

Step 5: Mount the ISO to the Server

Launch a virtual console by clicking Launch Virtual Console  on the dashboard.

Launch Virtual Console

On Virtual Console, click on the button Connect Virtual Media from the top bar.

Connect Virtual Media

This will connect the Virtual Media Device to your dedicated server. To mount the ISO file we uploaded, click on Choose file under Map CD/DVD.

Connect Virtual Media

Under the file browser, navigate to  ISO directory and you should see the ISO image that you have uploaded earlier. Double click on the ISO image file to select it.

ISO Browser

After selecting the ISO image file, click on the Map Device button to mount the Custom ISO as a Virtual Media device.

Map Device

Click the Close button on the Virtual Media pop and you should see the message on top saying your custom ISO is mapped to CD/DVD drive.

Message saying ISO mounted

Step 6: Boot from Virtual CD/DVD

Since we have mounted the custom ISO, we can go ahead and boot from the Virtual CD/DVD. To do so, click on the Close button on the top bar.

Click Boot

This will open the pop-up for Boot Controls. Click on Virtual CD/DVD/ISO to set the boot control to boot from ISO. Click Yes if it asks for any confirmation.

Boot Control

Now, click on the Power button on the top bar. It should open up the power menu. Click on Reset System(warm boot). Click Yes if it asks for any confirmation.

Boot Control

It should reboot your server and you should see that it is booting from Virtual CD.

Booting from Virtual CD

Step 7: Install Operating System

Use the virtual console to install the operating system from the ISO. Since installation steps for every operating system vary individually hence it is not covered in this tutorial.

After operating system installation, if there is an automatic reboot, the server will boot from SSD Disk, not ISO image.

Step 8: Disconnect Virtual Media

Once you have successfully installed the operating system, you can remove the Virtual Media Device as it is no longer required.

Click on the Virtual Media button on the top bar.

Disconnect Virtual Media Button

Now, click on the Disconnect Virtual Media button to disconnect. Click Yes if you get any confirmation prompt.

Disconnect Virtual Media Button

This will disconnect the Virtual Media Device and unmap the ISO image you had mapped.


Congratulations, you have installed a custom operating system of your choice on your Dedicated Server. In this tutorial, we have learned how to install a custom operating system on Snel Dedicated Server. We looked at how to upload the ISO file and boot from ISO file using the KVM console. We also looked at installing the OS using the KVM console and detaching the Virtual Media Device after the installation.

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