[App_rpt-users] Host Name Change

I know I have done this before, but I'm drawing a blank... Either what file is the host name in or a simple command to change it? Tried a couple recommendations from the web,but didn't work. Thanks.. __________ Information from ESET NOD32 Antivirus, version of virus signature database 10249 (20140813) __________ The message was checked by ESET NOD32 Antivirus. http://www.eset.com