O'Reilly Tags

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Improving Network Reliability with Keepalived (3 tags)
No matter how good the software, hardware eventually fails. Redundancy is an important way to keep your important services running smoothly. With the right software, you can even sleep through otherwise catastrophic network failures. Philip Hollenback demonstrates how to make your network robust by using Keepalived on multiple Linux routers.

HA-OSCAR: Five Steps to a High-Availability Linux Cluster (2 tags)
Clustering, the current thinking in computing, addresses the availability and scaled performance in cost-effective equipment. There are several open source clustering stacks, but HA-OSCAR is one of the few to address high availability with many built-in characteristics that allow continuous service availability. In this tutorial targeted for system administrators, engineers, researchers, and even students interested in leaning about building HA clusters, Ibrahim Haddad provides a step-by-step guide on how to install and build a highly available Linux cluster with HA-OSCAR.

Clustering and Load Balancing in Tomcat 5, Part 1 (2 tags)
The latest version of Tomcat provides clustering and load balancing capabilities for scalable, highly available systems. In part one of this series, Srini Penchikala looks at architectural factors to consider in such a system and how Tomcat implements them.