Well, outside of historical reasons, one of the issues of DD Images is that, because they are a partitioned file system, then if you create a 1:1 copy on USB media, and your media is larger than the one from the person who created the image, then, then you will end up with the apparent capacity of your media reduced to the size of the one from the original DD Image. Now you may be wondering why, if bootable ISOs are so poorly suited for that, most OS distributors out there provide ISO Images instead of DD Images. Thus, we have established that ISO images are actually poorly suited to create bootable USB media, because they are the equivalent of providing a round peg in order to fit a smaller square hole, and therefore, the round peg must be altered in order to fit. For the record, in Rufus terminology, a 1:1 copy of USB media is called a DD Image (you'll see that option in the list), and some distributions, like FreeBSD or Raspbian, actually provide DD Images for USB installation, alongside ISOs for CD/DVD installation. That's not to say that this kind of 1:1 copy cannot exist for USB, just that, 1:1 copies of USB media will be completely different from 1:1 copies of optical disc media and (outside of using ISOHybrid images, that are crafted to work as both 1:1 copies of disk and optical) are therefore not interchangeable. what CD/DVD burner applications do when writing an ISO). So, if you have an ISO, you cannot simply do with an USB what you can do for an optical disc, which is read every single byte from the ISO and copy it as is, in sequence, onto the disc (i.e. ISO is a 1:1 copy of an optical disc, and optical disc media are very different from USB media, both in terms of how their boot loaders should be structured, what file system they use, how they are partitioned (they aren't), and so on. To start with, you have to understand that the ISO format was NEVER designed for USB boot. when the Advanced Options section is displayed), because they are intended for people who already known what they are about. Then, click on " RosaImageWriter":Ĭlick on Write and wait for the writing procedure to finish.First of all, a lot of the options you list are only be listed when running Rufus in advanced mode (i.e. Download it from the website and extract all files. Parrot USB boot procedure using ROSA image writerĪs mentioned at the beginning of this chapter, you can also use ROSA image writer to create your USB with Parrot. sudo dd status=progress if=Parrot-_amd64.iso of=/dev/sdX Due to the potential to brick your system, if you are not familiar with GNU/Linux we strongly recommend to use Etcher. Parrot USB boot procedure using DD command line toolĭd (and its derivatives) is a command line tool integrated in every UNIX and UNIX-like system, and it can be used to write the ISO file into a block device bit per bit. Once the burning is complete, you can use the USB stick as the boot device for your computer and boot Parrot OS. Select the Parrot ISO and verify that the USB drive you are going to overwrite is the right one. Download and unzip it.Ĭlick on Flash from file. Plug your USB stick into your USB port and launch Balena Etcher. Parrot USB boot procedure using Balena Etcher You need a USB drive of at least 8 GB for Security Edition and 4 GB for Home Edition.Ī quick summary of which tools you can use to create your Parrot USB: It is highly recommended NOT to use programs like unetbootin, or any program which not isohybrid compliant. This behavior is against what the isohybrid was created for, and may break core system functionalities and make the system uninstallable from such USB drives. They create a custom partition table and just copy the file in the USB drive in an unofficial and non-standard way. Some ISO writing programs do not write the iso bit-per-bit into the usb drive at a low level. It is a special ISO format that contains not only the partition content, but also the partition table. The Parrot ISO uses the iso9660 format (also known as isohybrid). We strongly recommend to use Etcher, but you can also use the DD command line tool if you prefer it. They both work on GNU/Linux, Mac OS and Windows. Then you can burn it using Balena Etcher or ROSA ImageWriter. How to create a Parrot USB drive How to create a Bootable Deviceįirst of all, you need to download the latest ISO file from our website.
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