Profiling Your Applications with Eclipse Callisto (2 tags)
Callisto, a bundle of optional plugins for Eclipse, now comes with a profiling tool called the Test & Performance Tools Platform (TPTP). TPTP includes testing, tracing, performance monitoring, profiling, and static-code analysis tools. John Ferguson Smart offers this guided tour of how to use TPTP to speed up your apps.
Eleven Metrics to Monitor for a Happy and Healthy Squid (2 tags)
Duane Wessels offers 11 tips to help you stay on top of Squid's performance. If you follow this advice, you should be able to discover problems before your users begin calling you to complain. Duane is the creator of Squid and the author of Squid: The Definitive Guide.
Installing Nagios (2 tags)
Nagios is a system and network monitoring application. It watches hosts and services that you specify, alerting you when things go bad and when they get better.