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Tip: The Perfect Desktop - Mandriva One 2009.1 with GNOME |
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Friday, 08 May 2009 |
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This tutorial shows how you can set up a Mandriva One 2009.1 desktop (with the GNOME desktop environment) that is a full-fledged replacement for a Windows desktop, i.e. that has all the software that people need to do the things they do on their Windows desktops. The advantages are clear: you get a secure system without DRM restrictions that works even on old hardware, and the best thing is: all software comes free of charge. |
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Tip: Samurai Web Testing Framework |
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Tuesday, 05 May 2009 |
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The Samurai Web Testing Framework is a live linux environment that has been pre-configured to function
as a web pen-testing environment. The CD contains the best of the open source and free tools that focus on
testing and attacking websites.
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Network wide Conficker scanning |
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Wednesday, 01 April 2009 |
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The Conficker worm has infected several million computers since it first started spreading in late 2008. In this paper German developers presented several potential methods to repel Conficker. The approaches presented take advantage of the way Conficker patches infected systems, which can be used to remotely detect a compromised system. They also provided freely available tools including source code on their website. They also described how to use these findings which allows system administrators to quickly and easily scan their networks for infected hosts and to create rules for use in intrusion detection systems. Developers already started to integrate these findings in their network security scanner and equivalent tools like Nmap and Nessus. This article shows how to use four different methods to scan for Conficker infected machines in your network.
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Instant Pictoguide to Knoppix 6.0 |
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Wednesday, 11 March 2009 |
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The latest version of Knoppix
represents a radical remake of the venerable Live CD Linux
distribution. Knoppix 6.0 is leaner, faster, and more versatile than
ever. In addition to that, the new version brings another significant
improvement: the amazingly fast boot process. Even when Knoppix runs
from a CD, it takes less than a minute to boot to the graphical
desktop. More importantly, the improved boot process doesn’t affect
Knoppix’ legendary hardware detection capabilities.
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Tip: Blocking IP address of any country with iptables |
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Thursday, 19 February 2009 |
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This short article shows you how to automatically create iptables
rules to block all connection from one country or more. The blocklist
is create with an API I wrote and you can use wget to update the
blocklist monthly. The API to get the IP addresses to block. First you need to know the code (ISO 3166 format) of the country you would like to block.
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Tip: Cloning Linux Systems With CloneZilla Server Edition (CloneZilla SE) |
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Tuesday, 27 January 2009 |
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This tutorial shows how you can clone Linux systems with CloneZilla SE.
This is useful for copying one Linux installation to multiple computers
without losing much time, e.g. in a classroom, or also for creating an
image-based backup of a system. I will install CloneZilla SE on a
Debian Etch server in this tutorial. The systems that you want to clone
can use whatever Linux distribution you prefer.
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