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when you install ubuntu it only asked for a user account name and password. how do I switch to the root account within terminal server. I try the SU and then enter the only password I created. I have also tried SU root and the only password I created and it comes back with authentication failure. I can log in with my user account and use the only password created. what gives?

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use sudo -s. su alone asks for the superuser password, sudo asks for your password. The parameter -s opens a new shell as root.

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