Are you not sure of the steps of ediiting /etc/hosts?
If so use your editor (vi, ted, emacs etc..) to create a line in the /etc/hosts file that has the ip addres followed by a space then the servername.
Like this:-
191.91.9.191 SPARCstationName
If you want something else please ellaborate.
[sig]<p>Ged Jones<br><a href=mailto:gedejones@hotmail.com>gedejones@hotmail.com</a><br><a href= > </a><br> [/sig]