Michael Jang. RHCE, LCP, CompTIA Linux+, MCSE, is the bestselling author of RHCSA/RHCE Red Hat Linux Certification Study Guide, now in its sixth edition, Ubuntu Server Administration, Ubuntu Certified Professional Study Guide, and several other professional technology titles. He is currently a full-time writer, specializing in operating systems and networks.

Harry Foxwell is a principal consultant for Oracle Corporation's Public Sector organization, specializing in solutions consulting and customer education on cloud computing, virtualization, operating systems, and open source technologies. He has worked for Sun Microsystems since 1995. Harry contributes to one of Oracle's internal websites on Linux technical information, and blogs about cloud computing at http://blogs.oracle.com/drcloud/. He teaches graduate courses in operating systems and computer architecture at George Mason University.

Harry Foxwell is a principal consultant at Oracle’s Public Sector division in the Washington, DC area, where he is responsible for solutions consulting and customer education on cloud computing, operating systems, and virtualization technologies. Harry has worked for Sun Microsystems, now part of Oracle, since 1995. Prior to that, he worked as a Unix and Internet specialist for Digital Equipment Corporation; he has worked with Unix systems since 1979 and with Linux systems since 1995.

Harry is coauthor of two Sun BluePrints: “Slicing and Dicing Servers: A Guide to Virtualization and Containment Technologies” (Sun BluePrints Online, October 2005), and “The Sun BluePrints Guide to Solaris Containers: Virtualization in the Solaris Operating System” (Sun BluePrints Online, October 2006). He coauthored the book Pro OpenSolaris (Apress, 2009), and blogs about cloud computing at http://http://blogs.oracle.com/drcloud/.

He earned his doctorate in information technology in 2003 from George Mason University (Fairfax, VA), and has since taught graduate courses there in operating systems, computer architecture and security, and electronic commerce.

Harry is a Vietnam veteran; he served as a platoon sergeant in the US Army’s 1st Infantry Division in 1968-1969. He was awarded an Air Medal and a Bronze Star.

He is also an amateur astronomer and contributing member of the Northern Virginia Astronomy Club. In addition, Harry is a USA Table Tennis (USATT) member and competitive table tennis player. He is also a US Soccer Federation (USSF) soccer referee.

For additional information about Harry, please visit his home page: http://cs.gmu.edu/~hfoxwell.