adding users to a group at command level


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Thread: adding users to a group at command level

  1. 06-09-2009, 12:44 PM #1
    randy-e
    randy-e is offline Registered User
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    adding users to a group at command level

    Hello,

    I just added myself to the root group with the following command:

    # /usr/sbin/usermod -G root,osas randy

    but it has not taken affect, i am still not able to enter a directory where only the owner and group are root and only root has the rights to enter it while logged in as randy. I need for it to take affect without rebooting the server. Also i need to be able to do it at command level, not thru any gui stuff.

    thanks
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  2. 06-09-2009, 02:26 PM #2
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    ph34r
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    Group membership changes don't kick in until the user has logged out completely and logs back in. You don't need to reboot - just completely log out.
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  3. 06-09-2009, 02:52 PM #3
    randy-e
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    thanks
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  4. 06-09-2009, 03:19 PM #4
    Satanic Atheist's Avatar
    Satanic Atheist
    Satanic Atheist is offline Serious Slacker
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    Not entirely sure if this will work. Anyway, it's inadvisable for the same reasons people argue about logging in as root.

    I think the Linux security model will prevent anyone without an effective UID of 0 (root's UID and GID) from attaining root privileges.

    If you need more than one root account, many years ago, I did create a "root2" account for someone else to use and I believe I simply gave it a UID and GID of 0 in /etc/passwd. I believe this is all I did and it worked.

    James
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    perl -e 'use Math::Complex;$|=1;for$r(0..24){for$c (0..79){$C=cplx(($c/20.0)-3.0,-($r/12.0)+1.0);$Z= cplx(0,0);for($i=0;($i<80)&&(abs($Z)<2.0);$i++){$Z =$Z*$Z+$C;}print$i>=80?"*":" ";}print"\n";}'
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