When comparing SeaBIOS & Kali Linux vs Crouton & Kali Linux, the Slant community recommends Crouton & Kali Linux for most people. In the question“What is the best Linux distro to use on a Chromebook for security research?” Crouton & Kali Linux is ranked 1st while SeaBIOS & Kali Linux is ranked 2nd. The most important reason people chose Crouton & Kali Linux is:
This method will keep your chrome operating system installed; so you can use both on your device.
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Pros
Pro Gives you the full power of Linux
in going with this method, you will get the full power of Kali Linux (or your distribution of choice) depending on your model of chrome book the driver support may vary. You will have to research your model of chrome book and Linux distribution of choice to verify everything will work out of the box.
Pro Keeps Chrome operating system
This method will keep your chrome operating system installed; so you can use both on your device.
Pro Will not void warranty
This is a software method, no hardware will have to be modified, so your warranty will stay intact.
Cons
Con You will void the warranty in most cases
Almost all of the official google chrome-books (See C720 series for an example) have a hardware write screw to protect the BIOS, To install SeaBIOS you will have to remove this screw, and in doing so you will void the warranty on your chrome book.
Con Removes Chrome operating system
If you go this route, you will lose access to the chrome os. It is not possible to dual-boot chrome os and GNU/Linux. Therefore if you would like to have the possibility of using chrome os in the future you will need to make a backup of the operating system.
Con Developer Mode
In doing this method, you will have to put your chrome book in developer mode, while not a huge downside, some security considerations will have to be given to that fact. Developer mode on most chrome books are insecure by design.
Con Ram usage
Due to the nature of Chroots (what Crouton does) you will be running both Chrome OS and your Linux operating system of choice at the same time. On lower end chrome books this may cause issues with RAM usage.