Monitoring increasingly complex IT environments can pose quite a challenge. Virtualization and cloud-based applications are finding their way into many IT estates over the world. Keeping a watchful eye out for your infrastructure is now more important than ever, and Opsview allows you to do just that.

The real challenge of performance issues comes from trying to get to the root of the problem. Having a monitoring system set up makes your life, as a system administrator, a lot easier.

Monitor almost anything in a network Control notifications in your network by configuring Nagios Core. Get a handle on best practices and time-saving configuration methods for a leaner configuration. Use the web interface to control notification behaviour on the fly and for scheduled outages, without restarts. Pull Nagios Core’s data into a database to write clever custom reports of your own devising.

With this practical book, you’ll discover how to catch complications in your distributed system before they develop into costly problems. Based on his extensive experience in systems ops at large technology companies, author Slawek Ligus describes an effective data-driven approach for monitoring and alerting that enables you to maintain high availability and deliver a high quality of service.

Written by Ganglia designers and maintainers, this book shows you how to collect and visualize metrics from clusters, grids, and cloud infrastructures at any scale. Want to track CPU utilization from 20,000 hosts every ten seconds? Ganglia is just the tool you need, once you know how its main components work together. This hands-on book helps experienced system administrators take advantage of Ganglia 3.x.

Zenoss Core is an enterprise-level systems and network monitoring solution that can be as complex as you need it to be. And while just about anyone can install it, turn it on, and monitor “something”, Zenoss Core has a complicated interface packed with features. The interface has been drastically improved over version 2, but it’s still not the type of software you can use intuitively – in other words, a bit of guidance is in order.