Andrew Mallett has been working in the IT industry since 1986. He has worked with Linux technologies since the release of the original Red Hat Linux 7 in 1999. Andrew not only possesses Linux skills and certifications, but also consults and teaches Linux and other technologies. He has written books on Linux on Citrix, which were published by Packt Publishing. Andrew has also been an active participant and works as a volunteer sysop. He is a SUSE Certified Linux Instructor, which enables him to help, support, and develop the official Novell SUSE curriculum worldwide. Andrew currently works for his own company. He can be found on Twitter at http://theurbanpenguin.com and @theurbanpenguin. His published video courses on Linux can be found at http://www.pluralsight.com.