Earl Follis is a long-time IT professional who has worked as a technical trainer, technical
evangelist, network administrator, and in other IT positions for a variety of companies, including
Thomas-Conrad Corp., IBM Tivoli, Nimsoft and Dell. He has also contributed to numerous books,
including For Dummies titles on Windows Server and NetWare, and has written for many print
and Web publications. His primary areas of technical interest include networking, operating
systems, cloud computing and unified monitoring.