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Overview | Sunday | Monday | Tuesday | Wednesday | Thursday | Friday | By Instructor | Series

Tutorial Instructors
A–B   |  C   |  D–E   |  F–J   |  K–M   |  N–R   |   S–W

Arrasjid John Arrasjid (M1) is a Principal Architect at VMware, specializing in cloud computing, virtualization, business continuity, and disaster recovery. John has written Foundation for Cloud Computing with VMware vSphere 4 and Deploying the VMware Infrastructure, both published by the USENIX Association, where he currently is a Board of Directors member at large. John regularly presents at VMworld, VMware Partner Exchange, and USENIX conferences. He is a VMware Certified Professional and one of the first VMware Certified Design Experts (VCDX 001). John holds a Bachelor of Science in Computer Science from SUNY at Buffalo, NY. He can be followed on Twitter at

David B-E David N. Blank-Edelman (W7, R5) is the Director of Technology at the Northeastern University College of Computer and Information Science and the author of the O'Reilly book Automating System Administration with Perl. He has spent the past 25+ years as a system/network administrator in large multi-platform environments, including Brandeis University, Cambridge Technology Group, and the MIT Media Laboratory. He was the program chair of LISA '05 and was one of the LISA '06 Invited Talks co-chairs. David is honored to have been the recipient of the 2009 SAGE Outstanding Achievement Award and to serve on the USENIX Board of Directors.

Burgess Mark Burgess (T3, W4) is Professor of Network and System Administration at Oslo University College, Norway (a member of the EMANICS Network of Excellence) and CTO of Cfengine AS. He is the author of the configuration management system Cfengine and of several books and many papers on the topic, including the USENIX Short Topics book A System Engineer's Guide to Host Configuration and Maintenance Using Cfengine, coauthored with Æleen Frisch.

Carter Gerald Carter (S6, S10) has been developing, writing about, and teaching on open source since the late 1990s. He was a member of the Samba Development Team from 1998 to 2009 and authored both the third edition of Using Samba and LDAP System Administration for O'Reilly Publishing. Currently Gerald is employed by Likewise Software as a senior software engineer and serves as the current project lead for Likewise Open. Previously, he held positions at HP and at VA Linux.

Chalup Strata Rose Chalup (S7, T6, T10, W6) began as a fledgling sysadmin in 1983. She has been leading and managing complex IT projects for many years, serving in roles ranging from Project Manager to Director of Network Operations. She has authored a number of articles on management and working with teams and has applied her management skills on various volunteer boards, including BayLISA and SAGE. Strata has a keen interest in network information systems and new publishing technologies and built a successful consulting practice around being an avid early adopter of new tools, starting with ncsa_httpd and C-based CGI libraries in 1993 and moving on to wikis, RSS readers, and blogging. Another MIT dropout, Strata founded VirtualNet Consulting in 1993.

Chapman D. Brent Chapman (F3) is the founder and manager of the Network-Automation mailing list and the creator of the Netomata Config Generator (NCG) open source software, which automates the generation of coordinated, complete, and correct config files for network devices and services. He has over 20 years of information technology management experience in organizations large and small, much of it focused on network management and automation. He is the co-author of the highly regarded O'Reilly & Associates book Building Internet Firewalls and the creator of the Majordomo mailing list management package. In 2004 Brent was honored with the SAGE Outstanding Achievement Award "for outstanding sustained contributions to the community of system administrators."

Mike C Mike Ciavarella (M9, T5, T9) has been producing and editing technical documentation since he naively agreed to write application manuals for his first employer in the early 1980s. His first UNIX system administration role was on a network of Sun workstations in 1991, where he built his first firewall. Since that time, Mike has made a point of actively promoting documentation and security as fundamental aspects of system administration. He has been a technical editor for Macmillan Press, has lectured on software engineering at the University of Melbourne (his alma mater), and has provided expert testimony in a number of computer security cases.

Clegg Alan Clegg (S3) has over 20 years' experience providing support for and management of Internet-facing systems. As a Dale Carnegie–trained public speaker, Alan has provided tailored learning experiences to corporations and at conventions and meetings (BSDcon, InfraGard, HTCIA) around the globe. Since joining the Internet Systems Consortium staff in 2007, Alan has been creating and providing workshops and training for ISC customers and users. The training sessions include a 5-day DNS and BIND class, a 3-day DNSSEC workshop, and a 2-day ISC DHCP course.

Damon Lee Damon (M7, R2) has a BS in Speech Communication from Oregon State University. He has been a UNIX system administrator since 1985 and has been active in SAGE and LOPSA since their inceptions. He assisted in developing a mixed AIX/SunOS environment at IBM T.J. Watson Research Center and has developed mixed environments for Gulfstream Aerospace and QUALCOMM. He is currently leading the development effort for the Nikola project at the University of Washington Electrical Engineering department. Among other professional activities, he is a charter member of LOPSA and SAGE and past chair of the SAGE Ethics and Policies working groups, and he was the chair of LISA '04.

Deshane Todd Deshane (T1) is a PhD student in Engineering Science from Clarkson University. He also has a Master of Science in Computer Science and a Bachelor of Science in Software Engineering from Clarkson. While at Clarkson University, he authored a variety of research publications, many of which involved Xen. In 2005, a project that was based on Todd's Master's thesis—an open source, collaborative, large database explorer—won first place in the UNISYS TuxMasters Invitational. Todd's primary academic and research interests are in the area of operating system technologies, such as virtual machine monitors, high availability, and file systems. His doctoral dissertation focuses on using these technologies to provide desktop users with an attack-resistant experience, with automatic and autonomic recovery from viruses, worms, and adverse system modifications. During his PhD years, Todd has been a Teaching Assistant and an IBM PhD Fellowship recipient. At IBM, Todd has worked on internship projects involving Xen and IBM technologies. Todd enjoys teaching, tutoring, and helping people. Todd is a co-author of the book Running Xen: A Hands-on Guide to the Art of Virtualization.

Deuskar Shridhar Deuskar (S1) has been an IT professional since 1994. He has extensive experience in large infrastructure system administration, software tools support, networking, implementing SAN/NAS, and application support. He also possesses a broad understanding of platforms and applications. As a Consulting Architect with VMware, Shridhar Deuskar is currently responsible for leading virtualization engagements for VMware customers in the continental United States. He also serves as a technical expert in the pre-sales qualification and is responsible for the delivery of the technical architectural design, strategies, and plans that will be delivered in the engagement. Prior to joining VMware, Shridhar Deuskar worked at EMC Corporation and possesses detailed knowledge of EMC, as well as of competitive storage products. Shridhar holds a BS in Mechanical Engineering from the University of Pune, India, and an MS in Mechanical Engineering from the University of Massachusetts at Amherst.

Rudi Rudi van Drunen (M11) studied electronic engineering and met the UNIX OS and friends about 25 years ago on a DEC VAX at the University of Groningen (NL). Apparently the two got along pretty well, as nowadays he is employed as CTO and senior UNIX infrastructure consultant at Competa IT in the Netherlands. Before that, he was head of IT for a medical lab, where he did UNIX system administration and applied research in image analysis and neural networks. He is one of the tech gurus and a founding board member of Wireless Leiden, the leading wireless community in the Netherlands. Rudi has his own small open source and hardware design company, Xlexit. He has taught a number of classes and given invited talks on wireless and other topics at events such as LISA and SANE and for the Dutch UNIX community.

Elling Richard Elling (S5, M3) has been designing and building dependable, networked computer systems to solve complex problems for more than 25 years. He was an early adopter of ZFS and has developed benchmarks and analysis techniques for evaluation of data protection schemes and performability of systems. He wrote Designing Enterprise Solutions with Sun Cluster 3.0 (Prentice Hall, 2002) and has authored many white papers, Sun BluePrints, and refereed papers on dependable systems and performability. He is a regular contributor to the ZFS community and is currently the Director of Solution Engineering for Nexenta Systems.

Farmer Jacob Farmer (T4, T8) is a well-known figure in the data storage industry. He has written numerous papers and articles and is a regular speaker at trade shows and conferences. In addition to his regular expert advice column in the "Reader I/O" section of InfoStor Magazine, the leading trade magazine of the data storage industry, Jacob also serves as the publication's senior technical advisor. Jacob has over 18 years of experience with storage technologies and is the CTO of Cambridge Computer Services, a national integrator of data storage and data protection solutions.

Farrow Rik Farrow (S9) has been teaching UNIX security classes since 1987. He wrote the second book on UNIX security, as well as hundreds of security-related articles. His experience with Linux security goes back over ten years and has led him to believe that sandboxing applications with SELinux is not just a good idea, but necessary. Rik Farrow is also Editor of ;login:.

Faulkner Jason Faulkner (M5), a Network Engineer for the email and applications division of Rackspace, is responsible for maintaining Linux firewalls and load balancers for millions of business email users. He is a current member of LOPSA and an active contributor to the keepalived project. Outside of his daily responsibilities, he has maintained the computer history website since 2003.

Frisch Æleen Frisch (T2, W5, W8) has been working as a system administrator for over 20 years. She currently looks after a pathologically heterogeneous network of UNIX and Windows systems. She is the author of several books, including Essential System Administration (now in its 3rd edition from O'Reilly) and the USENIX Short Topics book A System Engineer's Guide to Host Configuration and Maintenance Using Cfengine, co-authored with Mark Burgess. Æleen was the program committee chair for LISA '03 and is a frequent presenter at USENIX events, as well as presenting classes for universities and corporations worldwide.

Hughes Doug Hughes (R4) is the technical lead for Systems at D. E. Shaw Research, LLC, in midtown Manhattan. He leads a small multi-national team responsible for operations and architecture of a large commodity cluster, and operational support for a collection of fully custom, in-house designed supercomputers for molecular chemistry. He played an instrumental role in designing the datacenter management, power and cooling infrastructure, networking, and storage systems for all of the company's data. Previous employers include Global Crossing, Auburn University, and GE. Doug had his first UNIX experience on a Harris HCX-7 at Penn State University.

LeFebvre William LeFebvre (F1) is an author, programmer, instructor, and system administration expert. He has been using UNIX and Internet technologies since 1983. First exposed to computer networking with the original ARPANet, he has stood on the leading edge of every new technology: the World Wide Web, Java, Ruby on Rails, cloud computing, blogs, and social networking. William is currently the Vice President of Technology and a partner in the consulting firm Digital Valence. He provides consultation and advice on the effective use of Internet technology and helps clients establish development and production environments in public clouds. For over four years William was a Technology Fellow at Turner Broadcasting, where he designed systems for high-volume Web sites. In the late 1990s William ran his own consulting business. He received his bachelor's degree in 1983 and a Master of Science degree in 1988, both from Rice University. His monthly column "Daemons & Dragons" appeared in UNIX Review's Performance Computing, and he served as editor of the USENIX series on Short Topics in System Administration for several years. He has given tutorials for technical conferences held by USENIX, Sun Expo, UK Unix Users Group, and IT Forum, and he was the program chair of LISA '06. LeFebvre is currently on the leadership committee for LOPSA and on the program committee for LISA '10.

Limoncelli Thomas A. Limoncelli (M4, M8) is an internationally recognized author, speaker, and system administrator. His books include The Practice of System and Network Administration (Addison-Wesley) and Time Management for System Administrators (O'Reilly). He received the SAGE 2005 Outstanding Achievement Award. He works at Google in NYC and blogs at

Lin Ben Lin (M1) is a Consultant with the VMware Cloud Services team. Ben has been closely involved with VMware vCloud Service Director (vCSD)–enabled cloud solutions and services, having participated in early implementations of vCSD. Ben has been with VMware for 2.5 years and has been an active participant in VMworld sessions and labs. He is VCP4 certified.

James Mauro James Mauro (F2) is a Principal Software Engineer for Oracle Corporation, where he works in the Systems group. Prior to the Oracle acquisition, Jim worked for Sun Microsystems for 18 years. Jim focuses on systems performance, working closely with many of Oracle's customers on real performance issues, as well as internal performance-related engineering projects. Jim co-authored Solaris Internals and Solaris Performance and Tools. He is currently co-authoring a book on DTrace.

Richard McDougall Richard McDougall (R1) is a Principal Engineer and the Chief Performance Architect in the Office of the CTO at VMware. A recognized expert in operating systems, virtualization, performance, resource management, and filesystem technologies, Richard is a frequent speaker and has published several papers and books on these topics. Prior to VMware, most recently he was a Distinguished Engineer at Sun Microsystems, where he wrote the authoritative books Solaris Internals and Solaris Performance and Tools.

Seth Misenar (SANS Security 464) is a certified SANS instructor and also serves as lead consultant and founder of Jackson, Mississippi–based Context Security, which provides information security services through leadership, independent research, and security training. Seth's background includes network and Web application penetration testing, vulnerability assessment, regulatory compliance efforts, security architecture design, and general security consulting. He has previously served as both physical and network security consultant for Fortune 100 companies, as well as serving as the HIPPA and information security officer for a state government agency. Seth's certifications include CISSP, GPEN, GWAPT, GSEC, GCIA, GCIH, GCWN, GCFA, and MCSE. He teaches numerous SANS classes, including "SEC401: SANS Security Essentials Bootcamp Style," "SEC504: Hacker Techniques, Exploits, and Incident Handling," and "SEC542: Web App Penetration Testing and Ethical Hacking." Seth also serves as both virtual mentor and technical director for SANS OnDemand, the online course delivery arm of the SANS Institute.

Nalley David Nalley (W3) has been a system administrator for 8 years and acted as a consultant for an additional 3 years. David contributes to a number of free software projects, including the Fedora Project and the Sugar Labs 4th grade math project. In the Fedora Project David maintains a number of software packages and is the document lead for the Installation Guide. David was named a ZenMaster by Zenoss in 2009 and has released three ZenPacks for the Zenoss monitoring system. He is a frequent author on development, sysadmin, and Linux and frequently speaks at IT and F/LOSS conferences.

Tobias Oetiker Tobias Oetiker (M6, T7, T11) is an electrical engineer by education and a system administrator by vocation. For ten years he has been working for the Swiss Federal Institute of Technology in Zurich, providing students and staff with a deluxe UNIX workstation environment. In 2006 he started his own company, OETIKER+PARTNER AG, running UNIX servers for industry customers, improving his pet open source projects MRTG, RRDtool, and SmokePing, and applying these tools to solve the customers' problems. In 2006 Tobias received the prestigious SAGE Outstanding Achievement Award for his work on MRTG and RRDtool. Find out more about Tobi at

Robertson Alan Robertson (R3) founded the High-Availability Linux (Linux-HA) project in 1998 and has been project leader for it ever since. He worked for SuSE for a year, then joined IBM's Linux Technology Center in March 2001, where he works on Linux-HA full-time. Before joining SuSE, he was a Distinguished Member of Technical Staff at Bell Labs, working there 21 years in a variety of roles, including providing leading-edge computing support, writing software tools, and developing voicemail systems. Alan is a frequent speaker at a variety of international open source and Linux conferences.

Rowland Carolyn Rowland (W4) began her professional career as a UNIX system administrator in 1991 and has been leading sysadmins since 2001. She took on the aura of IT as an overhead function and has turned her team into a highly sought-after resource at the National Institute of Standards and Technology (NIST). The secret to this success is a strong core team and solid IT and business alignment. She evangelizes on this latter topic at LISA. She has been lurking at LISA conferences since 1995.

John Sellens John Sellens (S4, S8) has been involved in system and network administration since 1986 and is the author of several related USENIX papers, a number of ;login: articles, and the USENIX Short Topics book #7, System and Network Administration for Higher Reliability. He holds an M.Math. in computer science from the University of Waterloo and is a Chartered Accountant. He is the proprietor of SYONEX, a systems and networks consultancy, and is currently a member of the systems team at Magna International. From 1999 to 2004, he was the General Manager for Certainty Solutions in Toronto. Prior to joining Certainty, John was the Director of Network Engineering at UUNET Canada and was a staff member in computing and information technology at the University of Waterloo for 11 years.

Sheth Rupen Sheth (S1) (VCP, ITIL Foundations) is a Worldwide Consulting Services Architect at VMware. Rupen is currently responsible for the technical accuracy, development, and release of numerous materials to enable VMware field consultants and partners to deliver quality services using VMware solutions. Rupen is currently involved in developing service delivery content for vSphere and vCenter management solutions. Rupen is co-author of the book The Path to VMware vSphere—Unleashed and has presented at numerous VMware shows and events. Before joining VMware, Rupen fulfilled numerous consulting, architect, and engineering roles at BearingPoint, Citigroup, American Airlines, and GE Medical Systems. Rupen has a BS in Electrical Engineering and an MS in Computer Science from the University of Wisconsin.

Marc Staveley Marc Staveley (F1) is now an independent consultant, applying his years of experience with UNIX development and administration to help clients with server consolidation and application migration projects. Previously Marc held positions at SOMA Networks, Sun Microsystems, NCR, and Princeton University. He is a frequent speaker on standards-based development, multi-threaded programming, system administration, and performance tuning.

Theodore Ts'o Theodore Ts'o (M10, W2) has been a Linux kernel developer since almost the very beginnings of Linux: he implemented POSIX job control in the 0.10 Linux kernel. He is the maintainer and author of the Linux COM serial port driver and the Comtrol Rocketport driver, and he architected and implemented Linux's tty layer. Outside of the kernel, he is the maintainer of the e2fsck filesystem consistency checker. Ted is currently employed by Google.

Wilbur Patrick F. Wilbur (T1) is currently pursuing graduate studies in computer science at Clarkson University. His interests include operating systems, systems and application security, natural language processing, and home automation. In his spare time, Patrick enjoys composing music, experimenting with amateur radio, storm chasing, and working on various electronics, software, and carpentry projects around the house. He is currently a member of the Clarkson Open Source Institute, a volunteer at the Applied Computer Science Laboratories at Clarkson University, an emergency communications volunteer, and a member of the Association for Computing Machinery. Patrick is a co-author of Running Xen: A Hands-on Guide to the Art of Virtualization.

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