With the command-line tool virsh, a part of the libvirt library, you can query virtual machines to discover their state of health, launch or shut down virtual machines, and perform other tasks – all of which can be conveniently scripted.

PowerShell’s ability to use loops extends its reach to remote systems and performs repetitive operations.

The powerful Metasploit framework helps you see your network as an intruder would see it. You might discover it is all too easy to get past your own defenses.

Virtualized systems are inflationary when it comes to RAM requirements. Storage access is faster when excess RAM is used as a page cache, and having enough RAM helps avoid the dreaded performance killer, swapping. We take a look at the current crop of RAM.

In this installment of our multipart PowerShell series, you learn how to control services, processes, and commands on your local and remote systems.

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.

Most clients on a network need both an address and some environmental information such as a name server or a web proxy. This article investigates whether a recent operating system on an IPv6-only LAN can handle this.

Do you have a sentry to keep an eye on your servers? We’ll show you how to customize PortSentry’s response to suspicious activity.

Windows administrators, like Unix or Linux administrators, look for ways to perform their duties with ease and elegance through automation. PowerShell allows administrators to gather information, change Registry parameters, work with Active Directory, manipulate services, look at events, work with Windows Management Instrumentation (WMI), and much more. PowerShell is a Windows administrator’s best friend.

PHP Shell and Shell In A Box put a shell in your browser, thus facilitating web server management – even from the nearest Internet café and without SSH access.