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I am new to Ubuntu and am encountering problems downloading updates as I don't know or have a password to authenticate. I dropped to root shell during boot up, then used the password command, entered the new password twice and then received the message "authentication manipulation error".

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Could you please provide a bit more information? By following Jorge Castro's advice, do you mean dropped to root shell during boot up and used the `passwd' command? At what point did you get that error? –  Alex Nov 25 '11 at 5:03
As was mentioned above, please consider editing your question to include more details. Once you've done so, please "flag" for review. –  Marco Ceppi Nov 25 '11 at 13:38
Getting an “Authentication token manipulation” error when trying to change my user password and Authentication token manipulation error answer this. Users here from searching can get help there. As the error can be from wrong technique (e.g., not remounting if/when necessary) see also How do I reset a lost administrative password? and How do I reset a lost password (using recovery mode requires me to type the password)? –  Eliah Kagan Jan 18 at 9:00
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closed as not a real question by Marco Ceppi Nov 25 '11 at 13:38

It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, visit the help center.If this question can be reworded to fit the rules in the help center, please edit the question.

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