Author Archives: Marko

Ubuntu disable/enable compiz when on battery/AC bash script

HP Compaq Presario CQ56-100SMLast week I won an award from my college sponsor Končar Electrical Engineering Institute for my graduate work on the topic of creating an advanced web social networking system using open source technologies. I must express my gratitude to the fine people on my college who nominated me and to the Končar Electrical Engineering Institute for rewarding my effort. By the way, this social networking system is work in progress and when ready, I will set it up for testing because I value your feedback for my little projects like Quick Chat.

What did I do with my reward you ask? I bought myself a laptop. My laptop selection priorities were low price and Linux operating system compatibility. I have selected HP Compaq Presario CQ56 with Suse Enterprise Linux11 factory installed. It is really good laptop for the price and very Linux friendly if any of you Linux fans are on a Laptop hunt. I might post a review on this great piece of hardware when I find some available time. Yesterday I've installed Ubuntu Maverick on this laptop and everything works great. But when everything works great, we people usually go to the picky side and start inventing problems. So to create myself some work, I've given myself a task of creating script to turn Compiz off when on battery, and turn it back on when on AC. My goal was extending my shiny new battery life for a few minutes and have fun in the process of creating this script. So here it is...

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Prolog programming using Gprolog on Linux

Prolog is a logical programming language perfect for description of artificial intelligence knowledge base I was working on for one of my AI projects. The idea is that you make a knowledge base and then ask your knowledge base what ever you need to know. As Linux user I needed Linux tool so I went on Google and inquired about my options. I really like GNU software so I've opted for GNU Prolog implementation called Gprolog. In this little article I will show you how to get it working on Debian based operating systems.

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Ubuntu 11.04 Natty Narwhal review and more

Really sad TuxA while ago I've planed to do full review on new Ubuntu 11.04 Natty Narwhal. I'm not going to do that. What happened someone might ask? Canonicals latest desktop called Unity happened. The feeling after booting new Ubuntu 11.04 for the first time seemed familiar. The feeling of being powerless when someone forces you to use an application that you don't like under excuse that you don't know what is good for you. I thought I left that feeling a few years ago after I have left Windows XP to find myself a better desktop solution. What is wrong with Unity? Please read on...

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Ubuntu 11.04 Natty Narwhal Released

For all of you Linux lovers out there, I'm glad to inform you that the next version of great Ubuntu operating system is released. After testing it for a few days I will do my best to write objective and detailed review of Ubuntu 11.04 Natty Narwhal so check back soon. Until then you can download new Ubuntu from the following links:

Wish you all well with new Ubuntu 11.04!

Quick Chat WordPress plugin - New version 1.25

Hi everyone again! WordPress chat plugin "Quick Chat" has reached version 1.25. New features since my last post are:

  • Support unlimited multiple instances of the Quick Chat on the same page
  • Quick Chat can be added to the posts or pages by placing WordPress shortcode
  • Insert from smilies repository fade-in and fade-out effects
  • Set textarea and smilies repository width to 100% of available space
  • Quick Chat now removes its WordPress options and database when being deleted

For more info please visit Quick Chat information page here at or Quick Chat page.

New version should be offered automatically to you by WordPress update system. If you want to delete your database and options and do fresh install you should first upgrade to 1.25, delete Quick Chat from the WordPress Plugins, and then reinstall latest version. Cheers!