Federico Cargnelutti

Month: October 2008

  • Developing cross-platform Adobe AIR desktop applications

    This weekend I decided to spend some time developing my first cross-platform Adobe AIR desktop application. My first impression of Adobe Air was: Wow! It takes only a few minutes to see how easy and powerful this platform is. What’s great about AIR is that you can build Rich Internet Applications that run across operating…

  • Cloning your Ubuntu Installation

    It’s always handy to have a complete list of packages installed, specially if you want to create a system that is similar to a different system you have already set up. In this post I’ll cover how you can export a list of installed packages on one Ubuntu system, and import them into another to…

  • Full-text searching with MySQL

    MySQL’s full-text search functions provide a simple framework for an easily implemented, approximate site search. Many sites, written in an interpreted language and powered by MySQL, can use MySQL’s full-text search to avoid third party dependencies. The basics of the MySQL full-text search functions are well-documented in the MySQL online documentation. For those lacking patience,…

  • MySQL Master-Master Replication Manager

    The MySQL Master-Master replication (often in active-passive mode) is popular pattern used by many companies using MySQL for scale out. Most of the companies would have some internal scripts to handle things as automatic fallback and slave cloning but no Open Source solution was made available. In 2007, the High Performance Group at MySQL AB…

  • Meet Intrepid Ibex, also known as Kubuntu 8.10

    Intrepid Ibex is the codename for Kubuntu 8.10, due to be released October 30 2008. The focus for 8.10 for the Kubuntu community will be transitioning to a KDE 4 desktop. The plan is to integrate the existing Kubuntu software while at the same time offering the best out-of-the-box KDE 4 experience around. Intrepid Ibex…

  • Make your site run 10 times faster

    This is what Mike Peters says he can do: make your site run 10 times faster. His test bed is “half a dozen servers parsing 200,000 pages per hour over 40 IP addresses, 24 hours a day.” Before optimization CPU spiked to 90% with 50 concurrent connections. After optimization each machine “was effectively handling 500…