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Good day!

Ubuntu 16.04 runs on a laptop. It used to have a login password, i turned it off just now.

Now the system does not accept the sudo password anymore... I cannot unlock user account, terminal does not accept sudo password which worked fine prior to turning the login password off.

Enter does not work either.

Am i missing something? Thanks for your help in advance!

All the best, Hardovic

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Try this help page about recovering a lost password.

With that you can also create new users on the command line :

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

After you manage to get a root shell on your own hard disk, you can do for example :

adduser mynewuser
adduser mynewuser sudo

Which adds a new user called "mynewuser", and then, with the second line, makes the new user part of group "sudo", which means giving the new user sudo rights.

  • Thanks for your reply. It turned out i could just set a new password by using $ passwd in terminal. I was then asked by the shell to type in and repeat a new passsword. It worked for unlocking my user account and sudo commands afterwards. – Hardovic Feb 5 '17 at 15:48

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