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PowerShell: Finding next available driveletter

Finding the next available driveletter on a system, excluding reserved driveletters, can be done using the following PowerShell 1-liner.   [char[]]"DEFGJKLMNOPQRTUVWXY" | ?{!(gdr $_ -ea 'SilentlyContinue')} | select -f 1 The character array containing only valid driveletters (in  this …

OpenSSH Authentication using Kerberos

An interesting paper on how to authenticate against Active Directory using Kerberos and OpenSSH. This will enable SSO capabilities between Linux and windows, if used in combination with an Kerberos enabled SSH. And maybe even 2-factor authentication if combined with smartcards, haven't tested this …

Less is more

Every once in a while, I resort to one of the many “what's my IP” type websites to lookup which external IP address I'm currently using. These sites have their uses for both professional, as well as personal purposes. Many of these sites provide a lot more information than I'm really after. In …
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Undocumented Equallogic CLI Commands

Equallogic's are very nice boxes; fast, robust and very scalable …

Needs an OO Database but you have "only" Bash?

Have a look at this script from Stephane Chazelas appeared in the Appendix A of  a very  old version of  the " Advanced Bash-Scripting Guide".   #!/bin/bash # obj-oriented.sh: Object-oriented programming in a shell script. # Script by Stephane Chazelas. person.new() # Looks almost …
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Windows 7 Pricing revealed!

The full version of Windows 7 Home Premium is priced at $199, …

Kickin' it Old School

In the age of immersive 3D graphics on your telephone, it's always fun to remember what interfaces used to look like: http://www.businessinsider.com/versions-10-of-todays-most-popular-apps-2009-6 Of course, all the UNIX guys here can just look at their current shell to see what they looked …

Outdated security habbits die hard

A few days ago I had a meeting with some fellow security officers and an interesting topic came up: "What is the value of putting up disclaimers when logging into systems" I think we have all seen them, the annoying pop-up messages or scrolling text before you log onto a system telling you that …
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Windows 7 / Win 2008 R2 RTM at July 13th!

From: http://bink.nu/news/windows-7-windows-server-2008-rtm-set…
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DRM enforced on Audio Chip?

This is not so new news, but still want to drop some frustration…
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PowerShell: Comparing Version numbers

Comparing version numbers can be tricky  from time to time, …

Slowloris and Nkiller2 vs. the Cisco CSS load balancer

Today I spent most of my time analyzing the Slowloris and Nkiller2 denial of service (DoS) tools together with my colleague Gert Kremer. Slowloris (name after the slow moving primates is a httpd DoS tool written by RSnake of ha.ckers . It works by tying up the httpd worker processes by slowly …
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PowerShell: Controlling Cmdlet parameters

PowerShell allows for inline parameter control for some of its …
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Slowloris and Nkiller2 vs. the Cisco CSS load balancer

Today I spent most of my time analyzing the Slowloris and …

Just because I can...

"Just becuase I can..." is often the only justification you need to do something cool. It is most probably the reason that Johan van den Brande decided to write a Twitter application for his Commodore 64. http://www.vandenbrande.com/wp/2009/06/breadbox64-a-twitter-client-for-the-c64/ P.S. …
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A nice document on Secure a Microsoft Cloud

http://www.globalfoundationservices.com/security/documents/Secur …

DFSR Debug Logging Explained

While troubleshooting some DFSR today, I came across this very nice and detailed post from the Directory Services Team. From: http://blogs.technet.com/askds/archive/2009/03/23/understanding-dfsr-debug-logging-part-1-logging-levels-log-format-guid-s.aspx Ned here again. Today begins a 21-part …
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VMware breaks the 50,000 SPECweb2005 barrier using VMware vSphere 4

Looking forward to seeing if  it delivers on the promises of …

Augmented Reality Becoming an Actual Reality??

As seen on Macrumors.com , a Dutch company Layer (yeah Netherlands!) has the first augmented reality browser working on a mobile phone! "A new augmented reality app called Layar is making the rounds on the web as an example of what can be done with Augmented Reality. Layer   is described as …
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Dtrace for Windows? Windows Performance Toolkit

So you have performance troubles on Windows, you probably …