In recent times a new kind of computing system has emerged: a distributed infrastructure composed of multiple physical sites in different administrative domains. This model introd...
Stephen Childs, Marco Emilio Poleggi, Charles Loom...
The art of performance tuning is, alas, still an art; there are few tools to help predict the effects of changes that are motivated by performance needs. In this work, we present ...
Signature matching, which includes packet classification and content matching, is the most expensive operation of a signature-based network intrusion detection system (NIDS). In t...
Two common tools in Linux- and UNIX-based environments are SSH for secure communications and sudo for performing administrative tasks. These are independent programs with substant...
Patches to modern operating systems, including bug fixes and security updates, and the reboots and downtime they require, cause tremendous problems for system users and administr...
Andrew Baumann, Jonathan Appavoo, Robert W. Wisnie...
Sysman is a system management infrastructure for clusters and data centers similar to the /proc file system. It provides a familiar yet powerful interface for the management of se...
Automated system deployment frameworks and configuration management systems have been in wide use for a number of years. However, due to increasing pressures to maintain high avai...
Donna Cumberland, Randy Herban, Rick Irvine, Micha...
Petascale HPC systems are among the largest systems in the world. Intrepid, one such system, is a 40,000 node, 556 teraflop Blue Gene/P system that has been deployed at Argonne Na...
Narayan Desai, Rick Bradshaw, Cory Lueninghoener, ...
Monitoring and mining real-time network data streams is crucial for managing and operating data networks. The information that network operators desire to extract from the network...
Pere Barlet-Ros, Gianluca Iannaccone, Josep Sanju&...
System administrators are unique computer users. As power users in complex and high-risk work environments, intuition tells us that they may have requirements of the tools they us...
Nicole F. Velasquez, Suzanne P. Weisband, Alexandr...