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I installed Hadoop on my machine. To start it, I was logging in as the user named hduser.

I connected to the ssh port using ssh localhost command.

Then I went to the bin folder of hadoop to start the namenode(sh start-all.sh) hduser's password was asked which I entered.

Now it entered a new prompt - root@localhost. It asked for a password which I think I have forgotten. Is it asking for the ssh public key password? If yes then how do I use it to log in. Of not how do I set my root password?

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setup a root password using,

sudo passwd

below URL gives you more detail about user management. https://help.ubuntu.com/12.04/serverguide/user-management.html

  • Thank you Prashant. The root password was already set. I want to reset it. – Coolsam Aug 8 '15 at 12:19

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