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Who's the Boss?  

Web-based, enterprise-capable applications often rely on the vendor-independent Java Platform, Enterprise Edition. We provide an introduction to Java EE based on the JBoss application server.

Unlimited Worlds  

Web developers dream of getting their hands on the collective power of Google's servers. Google App Engine offers a free corner of the Google universe.

CentralizedManagement  

If you manage many identical computers on a server farm, you don't want to patch every single machine separately just to install a security update. Citrix Provisioning Services 5.0 offers a convenient alternative.

Added Value  

The Opsi tool lets administrators manage Windows clients from a Linux server. Version 4.0.1 added a number of new features.

Pulp Sensation  

If you use free software, you will likely need to manage multiple software repositories and keep all the information up to date. Pulp gives you a centralized approach to repository management.

Power Package  

Microsoft offers PowerShell extensions for Exchange and SharePoint to let administrators manage these server products at the command line. In fact, some settings can only be implemented in the PowerShell extension.

Pulse Counter  

In emergencies, administrators need to know as quickly as possible whether computers in a private cloud are failing. A simple setup with KVM, Pacemaker, DRBD, and Opsview will help keep watch.