Bootiso is a powerful Bash script to easily and securely create a bootable USB device from one ISO file. It helps you create a bootable USB from an ISO with a single command from the terminal. It is a well-tailored script that carefully organized and validated using shell check.

 

It has to be run with root authority, and if external programs it requires are not available on your system, it will ask you to install them and exits. Bootiso checks that the selected ISO has the correct mime-type, otherwise it exists. To prevent system damages, it ensures that the selected device is connected only via USB.

 

Install Bootiso Script in Linux

 

The easy way to install bootiso from sources is to clone the git repository and set execute permission as shown.

$ git clone https://github.com/jsamr/bootiso.git
$ cd bootiso/
$ chmod +x bootiso

 

Next, move the script to a bin path (for example ~/bin/ or /usr/local/bin/) to run it like any other Linux commands on your system.

$ mv bootiso ~/bin/

 

Once installed, the syntax for running bootiso is to provide the ISO as first argument.

$ bootiso myfile.iso

 

To create a bootable USB device from ISO file, first you need to list all available USB drives attached to your system using the -l flag as shown.

$ bootiso -l

Listing USB drives available in your system:
NAME    HOTPLUG   SIZE STATE   TYPE
sdb           1   14.9G running disk

 

Next, to make the device (/dev/sdb) as a bootable device, simply provide the ISO as the first argument. Note that if there is only one USB device attached to the system (as in the case above), the script will automatically select it, otherwise, it will ask you to select from an auto-generated list of all attached USB drives.

$ sudo bootiso ~/Templates/eXternOS.iso 

 

You may also use the -a flag to enable autoselecting USB drives in conjunction with -y (disables prompting user before formating USB drive) option as shown.

$ sudo bootiso -a -y ~/Templates/eXternOS.iso

 

If you have multiple USB devices connected to the system, you can use the -d flag to explicitly specify the USB device you want to make bootable from the command line as shown.

$ sudo bootiso -d /dev/sdb ~/Templates/eXternOS.iso 

 

By default, bootiso uses mount + rsync to employ dd command instead, add the --dd flag as shown.

$ sudo bootiso --dd -d ~/Templates/eXternOS.iso

      

In addition, for non-hybrid ISOs, you can install a bootloader with syslinux with the -b option, as follows. This option however does not support the dd command.

$ sudo bootiso -b /ptah/to/non-hybrid/file.iso
OR
$ sudo bootiso -bd /usb/device /ptah/to/non-hybrid/file.iso

 

For more information on other bootiso capabilities and options, see the help message.

$ bootiso -h  

 

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