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LISA '99: 13th Systems Administration Conference
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Tutorial Instructors    

Eric Allman allman_eric (S6, M8am) is the original author of send mail. He was the chief programmer on the INGRES database management project and an early contributor to the UNIX effort at Berkeley, authoring syslog, tset, the -me troff macros, and trek. He designed database user and application interfaces at Britton Lee (later Sharebase) and contributed to the Ring Array Processor project for neural-network-based speech recognition at the International Computer Science Institute. He is a former member of the USENIX Board of Directors. Bryan C. Andregg (S2) is the Director of MIS at Red andregg_bryan Hat Software, where he has held that position for almost two years. During that time he has overseen combining two nationally distinct offices and moving the entire organization twice and has finally been allowed to hire an assistant.
Daniel Appelman (S10am, S13pm) is a lawyer with a appelman_dan major Silicon Valley law firm. He has been practicing in the areas of cyberspace and software law for over fifteen years. Dan is the attorney for the USENIX Association and for many high-tech companies.
Matt Bishop (T5) began working on problems of security bishop_matt in computer systems, and UNIX systems in particular, at Purdue, where he earned his doctorate. He subsequently worked at the Research Institute for Advanced Computer Science at NASA and taught courses in operating systems, computer security, and software engineering at Dartmouth College. Matt chaired the first USENIX Security Workshop and plays an active role in identifying and thwarting security threats. Matt has been on the faculty at UC Davis since 1993.
Gerald Carter (S8am) has been a member of the carter_gerald SAMBA Team since 1998. However, he has been maintaining SAMBA servers for the past four years. Currently employed as a network manager by the College of Engineering at Auburn University, Auburn, Alabama, Gerald daily maintains approximately 600 PCs running a melting pot of Microsoft operating systems and 30 Solaris 2.x servers running SAMBA. He recently acted as the lead author for Teach Yourself SAMBA in 24 Hours (Sams Publishing) and writes regularly for the Web-based magazine LinuxWorld on Linux and Windows NT integration. Tom Christiansen (S7) has been involved with Perl christiansen_tom since day zero of its initial public release in 1987. Lead author of The Perl Cookbook, co-author of the second editions of Programming Perl and Learning Perl, and co-author of Learning Perl on Win32 Systems, Tom is also the managing editor of the Web site, major caretaker of Perl's online documentation, originator and co-maintainer of the Perl Frequently Asked Questions list, and president of The Perl Journal. Tom served two terms on the USENIX Board of Directors. He holds undergraduate degrees in computer science and Spanish and a master's in computer science from the University of Wisconsin at Madison. He now lives in Boulder, Colorado.
Phil Cox (M1, T1) is a consultant for SystemExperts cox_phil Corporation. Phil frequently writes and lectures on issues bridging the gap between UNIX and Windows NT. He is a featured columnist in ;login;, the USENIX Association Magazine, and has served on numerous USENIX program committees. Phil holds a B.S. in computer science from the College of Charleston, South Carolina. Lee Damon (M10am) holds a B.S. in speech communi damon_lee cation from Oregon State University. He has been a UNIX system administrator since 1985 and has been active in SAGE since its inception. He is a member of the SAGE Ethics Working Group and was one of the commentators on the SAGE Ethics document. He has championed awareness of ethics in the systems administration community, including writing it into policy documents.
Tina Darmohray (T4) is a network and security consult darmohray_tina ant with over a decade of experience in administration and programming UNIX/TCP-based computers. She specializes in firewalls, Internet connections, sendmail/DNS configurations, and defensive intrusion management. Previously Tina was the lead for the UNIX support team at Lawrence Livermore National Laboratory. She was a founding board member of SAGE. She is the author of the popular SAGE jobs booklet Job Descriptions for System Administrators, she's the editor of SAGE News and Features for ;login:, the USENIX Association magazine, and she co-chaired the USENIX LISA IX conference. Tina holds a B.S. and an M.S. from the University of California, Berkeley. Mark-Jason Dominus (M7, T8am) has been involved in dominus_mark-jason computer security since 1988 and has been developing interactive Web applications since 1994. He was a system administrator and the first Webmaster at the University of Pennsylvania's Department of Computer and Information Sciences, and then became a founding staff member of Pathfinder, Time-Warner's Internet Web service, where he was the leader of the system administration and network security group. He is now an independent consultant working in the area of dynamic application development and systems and security analysis. He writes a regular column for The Perl Journal.
Esther Filderman (T9am) has been administrating AFS filderman_esther since its first incarnation as the file system behind the Andrew system, which was originally designed as part of an experiment by Carnegie Mellon University and IBM. She has been a system administrator for nearly 10 years. Once the 24x7 on-call person for the Andrew system, Esther is currently the senior operations specialist for the Pittsburgh Supercomputing Center, the site that, in a moment of insanity, ported AFS to Unicos. Aeleen Frisch (S1, M9am, M12pm) has been a system frisch_aeleen administrator for over 15 years. She currently looks after a very heterogeneous network of UNIX and Windows NT systems. She is the author of several books, including Essential Windows NT System Administration.
Peter Baer Galvin (T7) is the chief technologist for galvin_peter Corporate Technologies, Inc., and was the systems manager for Brown University's Computer Science Department. He has written articles for Byte and other magazines, is security columnist for SunWorld, and is co-author of the Operating Systems Concepts textbook. As a consultant and trainer, Peter has taught tutorials on security and system administration and has given talks at many conferences. Daniel E. Geer, Jr. (S4), Sc.D., is vice-president of geer_dan CertCo, LLC, market leader in digital certification. Dr. Geer has a long history in network security and distributed computing management as an entrepreneur, consultant, teacher, and architect. He holds a Bachelor of Science in electrical engineering and computer science from MIT, and a Doctor of Science in biostatistics from Harvard University. A frequent speaker, popular teacher, and member of several professional societies, he is active in USENIX, where he has participated in virtually every activity, including serving as technical program chair for the San Diego, California, 1993 Winter Technical Conference, as well as conference chair for both the First Symposium on Mobile and Location Independent Computing and the First USENIX Workshop on Electronic Commerce. He was elected to the Board of Directors in June 1994 and began an elected two-year term as vice-president in June 1996. He is the co-author of Wiley's Web Security Sourcebook (June 1997).
Geoff Halprin (M13pm, T3) is the principal consultant halprin_geoff at The SysAdmin Group. He has been a system administrator for the past 15 years and a consulting system administrator for over 10. Geoff specializes in data security and systems management disciplines and in the evaluation and improvement of systems management practices. He has acted as consultant to a wide variety of organizations, including government, large corporations, and several major ISPs. Geoff is also the vice-president of the System Administrators Guild of Australia (SAGE-AU) and is a member of the SAGE Executive Committee. Brad Johnson (S5) is a principal of SystemExperts johnson_bradC Corporation, a consulting firm that specializes in system security and management. He is a well-known authority in the field of secure distributed systems and has recently served as a technical advisor to both Dateline NBC and CNN on network security matters. He has participated in seminal industry initiatives, including the Open Software Foundation, X/Open, and the IETF, and has often published about open systems.
Steve Johnson (T10am, T13pm) has been a technical johnson_steve_BW manager on and off for nearly two decades, in both large and small companies. At AT&T, he is best known for writing Yacc, Lint, and the Portable C Compiler. He served as the head of the UNIX Languages Department at AT&T's Summit Labs. He has also been involved in a number of Silicon Valley startup companies. He served for ten years on the USENIX Board of Directors, four of them as president. He presented an invited talk on management at LISA two years ago, he has taught USENIX tutorials on technical subjects, and he has led management training seminars at Transmeta. Greg Kulosa (M11pm, T11pm) has been a UNIX system kulosa_greg administrator for over eight years. He is currently a senior consultant, solving a myriad of host and networking problems for a variety of clients. In his spare time, he trains and grooms his American Quarter Horse, Jane, and goes on regular trail rides in the hills around San Francisco Bay.
William LeFebvre (S9am, S12pm, M6) has been using lefebvre_bill UNIX and Internet technologies since 1983. He has written many articles on UNIX, networking, and systems administration issues. Currently he writes the monthly "Daemons & Dragons" column for UNIX Review. William is the editor of the SAGE series "Short Topics in System Administration." He has taught tutorials since 1989 for such organizations as USENIX, the Sun User Group (SUG), MIS Training Institute, IT Forum, and Great Circle Associates, and he is a certified Cisco Systems Instructor. William is the primary programmer for the popular UNIX utility top and has contributed to several widely used UNIX packages, including Wietse Venema's logdaemon package. He can be reached at or via Evan Marcus (S3) is a senior systems engineer and marcus_evan_l high availability specialist with VERITAS Software Corporation. Evan has more than 12 years of experience in UNIX systems administration. While employed at Fusion Systems and OpenVision Software, Evan worked to bring the first high availability software application for SunOS and Solaris to market. Evan is the author of several articles and talks on the design of high availability systems.
Ted McCabe (T9am) has been administrating AFS since mccabe_ted_BW its first incarnation as the file system behind the Andrew system, which was originally designed as part of an experiment by Carnegie Mellon University and IBM. He was a system administrator at Carnegie Mellon for three years, maintaining and improving the backup system, known as Stage, that was initially developed with AFS. In 1996 Ted received an M.A. in mathematics from Boston University. Ted then returned to systems administration at Massachusetts Institute of Technology, where he has been wrestling with Transarc's backup system ever since. Ned McClain (M2, T2) is a lead engineer at XOR mcclain_ned Network Engineering. He is currently helping with the 3rd edition of the UNIX System Administration Handbook (by Nemeth, Snyder, and Hein). He has a degree in computer science from Cornell University and has done research with both the CS and Engineering Physics departments at Cornell.
Evi Nemeth (M2, T2), a faculty member in computer sci nemeth_evi ence at the University of Colorado, has managed UNIX systems for the past 20 years, both from the front lines and from the ivory tower. She is co-author of the UNIX System Administration Handbook. W. Curtis Preston (T12pm), a principal consultant for preston_curtis-bw Collective Technologies, has been specializing in backup and recovery for over six years. He has designed and implemented many large Legato NetWorker installations and is also an accomplished author and speaker. (This will be his third time speaking at LISA.) Curtis has just completed work on his upcoming O'Reilly & Associates book, UNIX Backup & Recovery, which will be on the shelves this fall. Curtis's Web site is, and he can be reached at
Marcus J. Ranum (M5) is CEO and founder of Network ranum_marcus Flight Recorder, Inc. He is the principal author of several major Internet firewall products, including the DEC SEAL, the TIS Gauntlet, and the TIS Internet Firewall Toolkit. Marcus has been managing UNIX systems and network security for over 13 years, including configuring and managing Marcus is a frequent lecturer and conference speaker on computer security topics. Jon Rochlis (S4) is a senior consultant for rochlis_jon_a SystemExperts Corp. He and his colleagues provide high-level advice to businesses large and small in the areas of network security, distributed systems design and management, high availability, and electronic commerce. Before joining SystemExperts, Mr. Rochlis was engineering manager with BBN Planet, a major national Internet service provider.
Greg Rose (M4) graduated from the University of New rose_greg South Wales with a B.Sc. (honours) in computer science, and he was awarded the University Medal in 1977. A member of the Board of Directors of the USENIX Association, he served as program chair of the 1996 USENIX Security Symposium. His work at QUALCOMM focuses on cryptographic security and authentication for wireless communications, particularly mobile phones. He has written a number of public tools using cryptography, and he holds generic cryptographic export licenses for two countries. Marc Staveley (M3) recently took a position with Sun staveley_mark Microsystems Enterprise Services, where he is applying his 16 years of experience with UNIX development and administration in helping to create new service programs. Previously Marc was an independent consultant and has held positions at NCR, Princeton University, and the University of Waterloo. He is a frequent speaker on the topics of standards-based development, multi-threaded programming, systems administration, and performance tuning.
Paul Vixie (T6) is the current maintainer of the BIND vixie_paul software system. BIND, the Berkeley Internet Name Domain, includes the name server ("named") used every-where on the Internet. Paul is also a coauthor of Sendmail: Theory and Practice (Digital Press, 1995) and serves as moderator of the comp.sources.unix newsgroup. Dusty White (T10am, T13pm) was an early employee of dusty_white Adobe, where she served in a variety of managerial positions. She now works as a management consultant in Silicon Valley, where she acts as a trainer, coach, and troubleshooter for technical companies.
Erez Zadok (S11pm) began maintaining Amd in 1992. zadok_erez Starting in 1996, he rewrote large parts of Amd and converted it to use Autoconf tools. Numerous new features and ports have since been added. The package, now called am-utils, contains additional tools written by Erez (e.g., hlfsd). Erez is a Ph.D. student in Columbia University's Computer Science Department. Erez has been researching file systems and cross-platform filesystem extensibility since 1989.  

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Last changed: 11 Aug. 1999 mc
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