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Forgot my system login Passwd

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    #16
    I'm assuming that you 'logged in' and were at the prompt. If 'yes', then you were logged in using your username but with elevated 'root' privileges. Is this correct?
    Windows no longer obstructs my view.
    Using Kubuntu Linux since March 23, 2007.
    "It is a capital mistake to theorize before one has data." - Sherlock Holmes

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      #17
      RE: I'm assuming that you 'logged in' and were at the prompt. If 'yes', then you were logged in using your username but with elevated 'root' privileges. Is this correct?

      Not sure about the "elevated 'root' privileges" What does that mean?

      The 1st time I login using my actual login name, is when I start my computer & am asked for my login name. Up to this point this is orchestrated by the settings in my GIGABYTE (Ultra Durable Model) Motherboard settings, set up by a Netflix store Technician, where I purchased it from.
      Once the timer duration expires it requires my password (as above), which it refuses.
      So that is why I think I need a new password.
      Last edited by Bumpalot; Mar 17, 2016, 02:32 PM. Reason: add more info

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        #18
        https://linhost.info/2013/08/passwd-...-error-ubuntu/ does not work
        Tried Esc key + rebooting
        grub>legacy_check_password_xxxxxxx<my passwd
        Enter password: _xxxxxxx<my passwd - failed
        Esc + reboot
        grub>password
        On trying this : my passwd ....failed
        grub>password
        Error: two arguments expected
        grub>legacy_check_password_"mypass"
        Enter Password: "mypass"
        grub> < since no response I thought it had worked!
        Rebooted: tried "mypass" - failed
        Am at a complete loss now.

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          #19
          You are not even booting the kernel; that's why you get the grub> prompt. None of the suggestions will work until you can boot into the kernel.
          Windows no longer obstructs my view.
          Using Kubuntu Linux since March 23, 2007.
          "It is a capital mistake to theorize before one has data." - Sherlock Holmes

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            #20
            On bootup I finally got a menu to show
            >> Recovery mode
            >>root
            root@bumpyputer:"#passwd
            Enter new UNIX password: typed new password
            Enter new UNIX password:[typed new password[
            Passwd: password updated successfully
            root@bumpyputer:#
            rebooted: tested the new passwd in Terminal >>FAILED!!!!

            I am soooooo sick of this crap! How can I completely delete the current install & reinstall again?

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              #21
              Originally posted by Bumpalot View Post
              On bootup I finally got a menu to show
              >> Recovery mode
              >>root
              root@bumpyputer:"#passwd
              Enter new UNIX password: typed new password
              Enter new UNIX password:[typed new password[
              Passwd: password updated successfully
              root@bumpyputer:#
              rebooted: tested the new passwd in Terminal >>FAILED!!!!

              I am soooooo sick of this crap! How can I completely delete the current install & reinstall again?
              The problem here is that you didn't specify your user as the one to change the password for; you established/changed root's password.

              Following the procedure you used to "got a menu to show", you would select Recovery mode (although, root would also work). Once you are at the prompt (which will be a root prompt; note the #) you would type:

              passwrd username (replacing username with your login name).
              Last edited by Snowhog; Mar 25, 2016, 06:33 PM.
              Windows no longer obstructs my view.
              Using Kubuntu Linux since March 23, 2007.
              "It is a capital mistake to theorize before one has data." - Sherlock Holmes

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                #22
                Also, now that root's password is effectively set (by mistake), it'll probably ask for that password when entering recovery mode. If you wish to return to the default state, you should relock the root password, so the commands are:
                Code:
                passwd [username]
                (set passwd for a user, replace "[username]" with the actual username)
                Code:
                passwd -l root
                (return root account to the default "locked" state)

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                  #23
                  I sent a reply by email but can't find it here.
                  This was it:
                  My Motherboard is a Gigabyte Ultra Durable. On perusing the Manual, I discovered that the Motherboard Security Option is set as a password is required for booting the system and for entering the Bios setup.
                  If I changed that to the other available option : A password is only required for entering the Bios Setup Program, that would enable me to perhaps to change my password for booting the system.
                  Any thoughts on that?

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                    #24
                    A BIOS password should have no effect on the OS.

                    Sent from my Samsung Galaxy S5 using Tapatalk
                    Registered Linux User 545823

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                      #25
                      Code:

                      passwd [username]

                      (set passwd for a user, replace "[username]" with the actual username)
                      Code:
                      passwd -l root << Note; that is a lowercase L
                      cannot lock /etc/shadow, try again later

                      Note: I don't know how to lock
                      Last edited by Bumpalot; Mar 26, 2016, 01:16 PM. Reason: add more info

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