how to change root pass word in ubuntu 16.04 LTS on SAMSUNG Linux On Dex











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1
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I am trying to change root password in my Ubuntu .



This is what I did:
1: installed linux on dex on google play

2: downloaded the ubuntu 16.04 LTS arm image

3: After starting the image in linux on dex, enter the graphical interface directly.

       I don't know the passwords of the current users ‘dextop’ and ‘root’ users. How can I change their passwords?



   'sudo su passwd root' 


it dones't work ,becaus I also don't know the password of the current user.



       I can't start single-user mode and repair mode, and I can't change the password of any user without knowing the current user password.
Sorry, my english sucks, will there be any help?










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    up vote
    1
    down vote

    favorite












    I am trying to change root password in my Ubuntu .



    This is what I did:
    1: installed linux on dex on google play

    2: downloaded the ubuntu 16.04 LTS arm image

    3: After starting the image in linux on dex, enter the graphical interface directly.

           I don't know the passwords of the current users ‘dextop’ and ‘root’ users. How can I change their passwords?



       'sudo su passwd root' 


    it dones't work ,becaus I also don't know the password of the current user.



           I can't start single-user mode and repair mode, and I can't change the password of any user without knowing the current user password.
    Sorry, my english sucks, will there be any help?










    share|improve this question
























      up vote
      1
      down vote

      favorite









      up vote
      1
      down vote

      favorite











      I am trying to change root password in my Ubuntu .



      This is what I did:
      1: installed linux on dex on google play

      2: downloaded the ubuntu 16.04 LTS arm image

      3: After starting the image in linux on dex, enter the graphical interface directly.

             I don't know the passwords of the current users ‘dextop’ and ‘root’ users. How can I change their passwords?



         'sudo su passwd root' 


      it dones't work ,becaus I also don't know the password of the current user.



             I can't start single-user mode and repair mode, and I can't change the password of any user without knowing the current user password.
      Sorry, my english sucks, will there be any help?










      share|improve this question













      I am trying to change root password in my Ubuntu .



      This is what I did:
      1: installed linux on dex on google play

      2: downloaded the ubuntu 16.04 LTS arm image

      3: After starting the image in linux on dex, enter the graphical interface directly.

             I don't know the passwords of the current users ‘dextop’ and ‘root’ users. How can I change their passwords?



         'sudo su passwd root' 


      it dones't work ,becaus I also don't know the password of the current user.



             I can't start single-user mode and repair mode, and I can't change the password of any user without knowing the current user password.
      Sorry, my english sucks, will there be any help?







      16.04 password arm






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      share|improve this question











      share|improve this question




      share|improve this question










      asked Nov 29 at 4:34









      Sadaharu

      82




      82






















          1 Answer
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          up vote
          2
          down vote



          accepted










          From googling the default password seems to be secret. See here, you have to scroll down a bit but it says that the sudo password for Linux on DeX is secret.



          Afterwards you can do sudo passwd root (NOT sudo su passwd root, not sure what su is doing there) to change password of root user.



          Hope this helped!






          share|improve this answer





















          • Thanks, very helpful, I revisited the website and they provided the default root password. *Sudo password for Linux on DeX is 'secret'.
            – Sadaharu
            Nov 29 at 5:01













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          1 Answer
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          active

          oldest

          votes








          1 Answer
          1






          active

          oldest

          votes









          active

          oldest

          votes






          active

          oldest

          votes








          up vote
          2
          down vote



          accepted










          From googling the default password seems to be secret. See here, you have to scroll down a bit but it says that the sudo password for Linux on DeX is secret.



          Afterwards you can do sudo passwd root (NOT sudo su passwd root, not sure what su is doing there) to change password of root user.



          Hope this helped!






          share|improve this answer





















          • Thanks, very helpful, I revisited the website and they provided the default root password. *Sudo password for Linux on DeX is 'secret'.
            – Sadaharu
            Nov 29 at 5:01

















          up vote
          2
          down vote



          accepted










          From googling the default password seems to be secret. See here, you have to scroll down a bit but it says that the sudo password for Linux on DeX is secret.



          Afterwards you can do sudo passwd root (NOT sudo su passwd root, not sure what su is doing there) to change password of root user.



          Hope this helped!






          share|improve this answer





















          • Thanks, very helpful, I revisited the website and they provided the default root password. *Sudo password for Linux on DeX is 'secret'.
            – Sadaharu
            Nov 29 at 5:01















          up vote
          2
          down vote



          accepted







          up vote
          2
          down vote



          accepted






          From googling the default password seems to be secret. See here, you have to scroll down a bit but it says that the sudo password for Linux on DeX is secret.



          Afterwards you can do sudo passwd root (NOT sudo su passwd root, not sure what su is doing there) to change password of root user.



          Hope this helped!






          share|improve this answer












          From googling the default password seems to be secret. See here, you have to scroll down a bit but it says that the sudo password for Linux on DeX is secret.



          Afterwards you can do sudo passwd root (NOT sudo su passwd root, not sure what su is doing there) to change password of root user.



          Hope this helped!







          share|improve this answer












          share|improve this answer



          share|improve this answer










          answered Nov 29 at 4:45









          an actual toaster

          1385




          1385












          • Thanks, very helpful, I revisited the website and they provided the default root password. *Sudo password for Linux on DeX is 'secret'.
            – Sadaharu
            Nov 29 at 5:01




















          • Thanks, very helpful, I revisited the website and they provided the default root password. *Sudo password for Linux on DeX is 'secret'.
            – Sadaharu
            Nov 29 at 5:01


















          Thanks, very helpful, I revisited the website and they provided the default root password. *Sudo password for Linux on DeX is 'secret'.
          – Sadaharu
          Nov 29 at 5:01






          Thanks, very helpful, I revisited the website and they provided the default root password. *Sudo password for Linux on DeX is 'secret'.
          – Sadaharu
          Nov 29 at 5:01




















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