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How to activate automatic updates on Fedora 9, Fedora 10 and Fedora 11

Now Fedora comes with "PackageKit", a graphical tool for automated updates. However, the packagekit updates need the approval from the user and also a graphical interface.

Fedora 11 Review

Fedora 11 was released on date June 9, 2009 afte a lot of importante delays caused by bugs in the installer. This new fedora is one of the best releases from fedora 1.

The main features are:

  • 20 seconds boot
  • EXT4 used by default
  • Finger print reader capacity enabled on gdm and screen savers
  • Fixes on QEMU and KVM integration
  • Kernel 2.6.29 with 2.6.30 backport
  • Realtime kernel feature, less battery consumption!
  • AES-256 use with XTS-256 by default for whole hard drive cypher
  • Yum presto (Delta RPMS)
  • Per application independent volume control
  • DNS Security
  • Less memory consumption
  • KDE 4.2 (Available from fedora 9 in updates)
  • Firefox 3.5

Next... a review of these features...

Installing NVIDIA on Fedora 11

This guide will enable you to configure your nvidia card on fedora 11 with 3d acceleration (64bit-version)

Speeding up or Securing up the Encrypted Root Filesystem on Fedora 10

Fedora, and another common linux distributions does not allow to configure the cypher type on root filesystem.

In this article, we will provide sufficient information about the cypher process on fedora and one technique to speed up or secure up the cypher using XTS.

Corporate LDAP Servers Weakness Statistics

Based in my securityfocus topic responce, and also in some information security audits that i've done, i think in the idea to statistical prove the attack risk level at some organization.

Number of accounts Having almost one weak key probability
10 0.401 - 40.1%
25 0.722 - 72.2%
50 0.923 - 92.3%
100 0.994 - 99.4%

Configuring single click on KDE4 icons

Maybe you are trying to move to KDE4 and you were get used to use single click to select and double click to open...

However, the original configuration of KDE4, uses the single click to open some file, that could be nasty to people who don't like it.

SPAN Port / Mirroring Monitoring

Some network administrators dont know how to handle and correctly install network monitoring applications, IDS and other products who requires network traffic inspection, there is no knowledgment about how span port where designed and it limitations for full-duplex networks.


When the network are in full-duplex mode, the span port have a natural loss of packets that not vary across the hardware.

Is C an Object Oriented Language?

C is a good and complex language, and enables you the well the memory managment, however, the original question is: can we transform C language into Object Oriented Language without modify the compiler? And the answer is: YES, we can.

We wont have all the C++ power doing this, cannot specify private/public/protected methods, hierarchy and other stuff available on C++, only will have the power to create some interface classes and fillit with functions in runtime.

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