About the Contributors

Terry Morreale is a senior engineer and director of client services at Applied Trust. She holds a degree in Computer Science from the University of Colorado as well as the following industry certifications: CISSP, GIAC Gold Certified Incident Handler, and ITILv3 Foundations. When she’s not working, Terry can be found reading, running, hanging with her two kids, or enjoying a glass of red wine.

Ned McClain is co-founder and CTO of Applied Trust, where he helps clients of all sizes with architecture and operations. His work focuses on performance, availability, and security, but a special place in his heart is reserved for system administration. Ned has a degree in Computer Science from Cornell University’s College of Engineering and carries CISSP, MCP, and ITIL certifications. Ned blogs regularly at barkingseal.com.

Ron Jachim received an MS from Wayne State University in Detroit, Michigan, where he now serves as an adjunct professor. He leverages his 20 years of real-world UNIX experience both while teaching and at his position with Ford Motor Company. He combines management skills with technical passion to architect resilient infrastructure solutions involving thousands of servers and to improve the performance of global applications.

David Schweikert is a product manager at Open Systems AG, a managed security services provider in Switzerland. His team is responsible for the configuration management and monitoring of more than 1,500 UNIX servers in over 100 countries. David is the developer of Mailgraph (a tool that plots mail statistics) and Postgrey (a greylisting implementation for Postfix). See david.schweikert.ch.

Tobi Oetiker is an engineer by education and a system administrator by vocation. For ten years he worked for the Swiss Federal Institute of Technology, where he spoiled students and staff with a deluxe UNIX environment. Since 2006, he has worked for his own company, OETIKER+PARTNER AG, where he manages UNIX servers for industry customers, improves his pet open source projects (MRTG™, RRDtool, and SmokePing) and applies these tools to solve customers’ problems. In November 2006, Tobi received the prestigious SAGE Outstanding Achievement Award for his work on MRTG and RRDtool. See tobi.oetiker.ch.