Use Secure Shell (SSH) to run commands on remote UNIX® systems and, with some simple scripts, put together a system that enables you to manage many systems simultaneously from one machine without having to log in directly to the machines themselves. Also examine the basics of a distributed management system and some scripts and solutions using the technique.

People are starting to realize how broken the Xen model is with its privileged Dom0 domain. But the actions they want to take are simply ridiculous: they want to add the drivers back into the hypervisor. There are many technical reasons why this is a terrible idea...

"...Now lets change our frame of reference to a ROA. In ROA, the most important part of the system is the data. Anything of interest gets a globally unique identifier, which is done via URIs.Next, the service becomes uninteresting because every service has the exact same API. On the Web, the service API is defined by HTTP verb's GET, POST, PUT, DELETE,..."

System administrators need to secure their systems while avoiding locking them down so strictly that they become useless.

This document describes how to integrate DSPAM with embedded ClamAV into a mail server based on Postfix featuring virtual users and domains, i.e. users and domains that are in a MySQL database.

You have just written a fantastic and useful Python application, and you're ready to share it with the world.

"Did you ever need to display the SQL that Django is generating, within your shell? I was playing around with a problem, which I’ll write more about later, and I needed this exact functionality to help me learn how various options in the Django ORM were being translated into SQL..."

According to its Web site, LyX is "the first WYSIWYM document processor," coupling a familiar word processing front end to the powerful LaTeX typesetting engine.