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Generating a Bootable USB Flash Drive for Software Appliances

Author: Vladyslav Velychko Updated

Overview

Kerio Control in the Software Appliance edition is distributed as an installation ISO image for burning on CD/DVD. This article shares the steps for generating a bootable USB flash drive from this ISO installation image.

Warning: This operation erases existing files on the flash drive. Please be sure to save any files you need elsewhere before following the steps below.

Note: UEFI boot mode is currently not supported.

 

Process

Download the installer file from the Kerio Control download page and refer to the following instructions depending on your operating system:

 

Windows

  1. Insert the USB flash drive into a USB port on your computer.
  2. Download and unpack Image Writer (it does not require installation).
  3. In the Image Writer, find the downloaded installation image file.
  4. Select your flash drive and click Write.
  5. Eject the flash drive securely and remove it from your computer.

 

Linux

  1. Insert the flash drive into a USB port on your computer.
  2. Run the terminal (console) in the super-user mode (e.g., using commands su or sudo -s, depending on your Linux distribution).
  3. Use the command fdisk -l to detect the USB flash drive name (e.g. /dev/sdb).
  4. Save the image file on the USB flash drive using this command: dd if=kerio-control-installer.iso of=/dev/sdX bs=1M.
    • Replace Kerio-control-installer.iso with the actual name of the image installation file.
    • Replace X with the actual device name. It is necessary to enter the physical device (e.g. /dev/sdx), not only a partition (e.g. /dev/sdx1).
  5. Use command sync to guarantee the finishing of all drive operations.
  6. Eject the flash drive safely and remove it from the USB port.

 

OS X

  1. Insert the USB flash drive into a USB port on your computer.
  2. Go to Applications > Utilities > Terminal for running the terminal.
  3. Use the command sudo diskutil list to detect the USB flash drive name (e.g. /dev/diskX or /dev/diskY . Ensure using the correct letter case).
  4. Use the command sudo diskutil unmountDisk /dev/diskX to unmount the flash drive.
    Note: This command is case sensitive.
  5. Save the image file on the USB flash drive by using this command: sudo dd if=kerio-control-installer.iso of=/dev/diskX bs=1m.
    • Replace Kerio-control-installer.iso with the actual name of the image installation file.
    • Replace X with the actual device name.
  6. Eject the flash drive securely and remove it from your computer.

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