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Chart Your Course  

Exchange is the standard messaging solution on Windows. This article explains how to install Exchange 2010 and supplies elegant workarounds for some of the pitfalls.

Orchestration  

MCollective's state-of-the-art technology is a boon for admins managing large-scale server landscapes.

Log Normal  

Logging frameworks are a good idea, even for DIY scripts, because they allow programmers to redirect program messages to logfiles. Python developers can turn to the logging module described here.

Flexible Storage  

Sure, you could pay for cloud services, but with GlusterFS, you can take the idle space in your own data center and create a large data warehouse quickly and easily.

Graph Store  

A graph database can identify the really important relationships on a social web, find the shortest paths, and optimize visitor flows. We compare some leading open source graph database options.

Stress Test  

We show how to perform quick and easy benchmarks using stress.

Changing of the Guard  

Generations of web admins have used phpMyAdmin or SQL Buddy to communicate with their databases. Newcomer Chive has the potential to send the legacy tools into early retirement thanks to its state-of-the-art Ajax interface and impressive feature scope.

Taming the Horde  

If you want to provide webmail for an IMAP server and need a groupware component on top, Horde may be exactly what you are looking for – especially if you want a web mailer that you can access with your smartphone.

Hardware or Cloudware?  

Altair makes software for local high-performance computing systems and also provides HPC services through the cloud. We asked Bill Nitzberg, CTO of Altair's PBS Works division, about the changing market and the relative benefits of cloud versus local HPC.