Change Computer Name / Dedicated root Password

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http://forums.opensuse.org – Hello All, I don't know that this post fits here, nor does it fit in "Applications." Anyway, installing suse doesn't seem to give you the chance to name your computer. Now my computer is called "linux-0qvi" or something strange like that. I want to name my computer. Can I do this now without screwing things up?? Also, during install, there didn't seem to be an opportunity to make a separate root password. My first (and main user) account is now set up with admin rights, so I have to type in my account password every time I do something as root. Can I set a separate dedicated root password without screwing up my system?? Thanks for any help you can give. (And, yes, I DID search the forums and google and yahoo before posting this.) D. (Distributions)