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Thread: aks root password at failsafe boot

  1. #1
    Join Date
    Feb 2011
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    11

    aks root password at failsafe boot

    I noted that if I choose "failsafe" in grub then I get into a menu where I can choose to open a root shell.

    The point is that no password is asked in order to open such root shell. In principle anyone with my computer at hands could gain root privileges.

    My question is: is it sufficient to set a root password to avoid this issue?

    Thanks for your answers!

  2. #2
    Join Date
    Feb 2006
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    457

    Re: aks root password at failsafe boot

    Physical access to your kit trumps all, so keep your physical kit safe. Fail-safe access and physical access go together.

  3. #3
    Join Date
    Apr 2008
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    Ubuntu Development Release

    Re: aks root password at failsafe boot

    Physical access = root access.

    Even if you do set a root password it doesn't stop anyone from either booting from a Live CD and accessing your data or simply removing the drive and reading it from another machine.

    The only way to prevent access to your data is to use encryption.
    Cheesemill

  4. #4
    Join Date
    Feb 2011
    Beans
    11

    Re: aks root password at failsafe boot

    Thanks again for your answer!

    So, you confirm that I should set a root password to prevent what I described.

    As far as encryption is concerned, I completely agree (and do it).

    Quote Originally Posted by Cheesemill View Post
    Physical access = root access.

    Even if you do set a root password it doesn't stop anyone from either booting from a Live CD and accessing your data or simply removing the drive and reading it from another machine.

    The only way to prevent access to your data is to use encryption.

  5. #5
    Join Date
    Sep 2011
    Beans
    1,531

    Re: aks root password at failsafe boot

    Quote Originally Posted by brancalessio View Post
    So, you confirm that I should set a root password to prevent what I described.
    Have a look at this, should answer your questions.

    https://help.ubuntu.com/community/RootSudo

    Short answer, no.

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