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Thread: Snort question

  1. #11
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    Jul 2003
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    Oh ok, I thought the su account was root, thanks for the clarification!
    What do you get when you cross a nun and a penguin?
    An operating system that won\'t go down on you.

  2. #12
    Senior Member
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    The old misconception about su is that it stands for 'Super User'. This is false, it in fact
    stands for 'Substitue User'.
    Get OpenSolaris http://www.opensolaris.org/

  3. #13
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    Interesting little tidbit, and so if it's left blank then it assumes root? Is that how it works?
    What do you get when you cross a nun and a penguin?
    An operating system that won\'t go down on you.

  4. #14
    Senior Member
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    Mar 2003
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    Well, I should probably clarify a bit since this is an important and often misunderstood command...

    The default user for the su command is root, on many systems su simply changes your effective
    user ID and effective group ID (euid, egid) to that of the user root, or whatever user was specified
    on the command line. Without the - argument, your privileges are modified to the new user, but all
    your environemnt variables (.login, .cshrc, .kshrc, $PATH, $HOME, $MANPATH, etc.) remain the
    same as they were under your previous login.

    Providing the - argument actually makes a call to /bin/login and behaves as if you had done a full
    login to the system as that user. My guess is that you are using RedHat (Fedora) by the fact that /sbin
    and /usr/sbin were not in your $PATH when you just did an 'su', and not 'su -' (regular users do not
    have either /sbin or /usr/sbin in their $PATH on newer RH versions). Hopefully the above explanation
    clears this up a little for you.
    Get OpenSolaris http://www.opensolaris.org/

  5. #15
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    Jul 2003
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    Actually, I'm on SuSE 9.0 PRO, but yes, that did clarify a lot up for me, much thanks for your patience in answering my questions spurious_inode!
    What do you get when you cross a nun and a penguin?
    An operating system that won\'t go down on you.

  6. #16
    Senior Member
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    Mar 2003
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    Happy to have helped, and SuSE 9.0 is a wonderful Linux Distro.
    Get OpenSolaris http://www.opensolaris.org/

  7. #17
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    Jul 2003
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    That's for sure, SuSE 8.2 was my first Linux distro that I got, and I just love SuSE so much, so easy to move around, configure, install, etc... Last post in this thread, I promise!
    What do you get when you cross a nun and a penguin?
    An operating system that won\'t go down on you.

  8. #18
    Senior Member
    Join Date
    Sep 2003
    Posts
    161
    it basically loads the root profile, if you have not done that then you might run into things like command like found, etc...

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