darkstar is the default host name..... do a netconfig as root and you can change it to whatever you want...
As for doing things as a user that are normally reserved for root, the best option is sudo. You can assign the ability for normal users to do any task that root can. Example: By adding the line:
username ALL=NOPASSWD: /sbin/shutdown -h now, /sbin/shutdown -r now
to your sudoers file (visudo as root) you can allow ALL users to shut the system down without requiring a password.
slight
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